How to make a screwdriver without a battery

Why convert a cordless screwdriver to a network?

Battery-charged equipment periodically discharges if it is not used for a long time. This fact is a problem, since the main components deteriorate when the charge in the battery drops frequently. As a result, during the first signs of a breakdown, the battery holds less and less charge. In such a situation, complete breakdown of the part cannot be prevented; it is better to either replace it or change it to a new one. By the way, the cost of the first and second options will be the same.

Tip: If the user is going to work with hard surfaces, choose devices with rotation parameters of at least 20 Nm. This is the Sparky BR2 10.8Li-C HD mechanism.

make, screwdriver, battery

The second reason is to remake the device. quality of work. Owners of such devices will easily confirm that the torque process is sometimes interrupted. It is also annoying that the power is not the best level. again, the partial discharge is to blame. The situation is saved by connecting the device to the mains supply. Here are the benefits we get in the end:

  • Charging time will be shortened and you can start working at any time.
  • Functioning without restrictions, confidence that the device does not sit down halfway to the job done.
  • Financial benefit: no need to periodically change the battery.

Tip: On high-quality equipment, there is protection against breakages, which is located near the nozzle. Such protection is available for devices Bosch PSR 1200, Bosch GSR 12V-15.

reconstruction based on laptop power supply

As already mentioned, this reconstruction method is considered simple and does not require much time. Check first what output voltage the device is designed for. The best option would be 12-19 watts. In the next step, remove the unusable batteries from the device with a screwdriver and disassemble the device.

  • Disconnect the entry (sized for the laptop connector) and strip the wires.
  • Take the contacts and simply solder them to the device.
  • Select a location on the device for the wire and drill it. At the end of the action, fold the structure and check for operability.

Method number 2 (reconstruction based on a network unit from a computer)

For this type of reconstruction, only an AT class network unit is suitable. Such devices have a ventilation compartment, as well as buttons on. and off. The network block is used on many models of computers, so it will not be difficult for anyone to find an unnecessary part. Then check the output current, it should be at least 16 volts, and the power 300.30 W.

  • Disassemble the device and find the plate on which the wiring is fixed (board).
  • Disable protection: locate the green electronic component on the board and attach to any other black wire.
  • Find a design with two black, yellow and red wires (MOLEX pins). Attach or solder the extension cord to the yellow and black wires, and attach the other part to the screwdriver terminals. Now twist the mechanism.

How to convert a cordless screwdriver into a network: 3 basic methods

It is not surprising that almost every house or apartment has a screwdriver. Unfortunately, devices based on a wireless network source often run out of power and break down. Since buying a new battery is expensive, most owners convert their cordless screwdrivers to cordless ones. In this article, we will tell you how to remake the device using the parts at hand. We will also touch on the topic of why this type of equipment breaks down most often. Read carefully!

Choosing a power supply for a screwdriver

The task can be accomplished in several details. For example, with a laptop charger, this rework is considered simple and unassuming. Therefore, if an unnecessary network block from a laptop is left at home, you can use it. Second detail. network block from a computer. This option implies a certain amount of knowledge and skills to work with a soldering iron. Another option is how to convert a screwdriver to a network one. engage the desired inverter welding. In the next section, we will tell you in detail how to implement your plan in all three ways.

Tip: Pay attention to the device parameters. For effective drilling, the rpm must be at least 1300. For example, the Bosch GSR 1440-LI and Makita DF347DWE machines have this characteristic.

Screwdriver alteration process

(reconstruction based on inverter welding)

Reconstruction of a screwdriver when using inverter welding involves lengthy checks and calculations for the fact that the necessary parts are working. The process of reworking itself is not complicated, it adheres to the same technology as in the previous methods. You just need to remove the old battery, and in its place, attach the cord entry to the contacts. In the case of inverter welding, you will also need to install a secondary coil.

Based on the article read, we can say that this goal can be achieved in different ways. For this, a number of items are used, such as: laptop charger, computer power supply and inverter welding. However, the most successful and uncomplicated reconstruction will be based on a laptop power supply. So, not a huge detail will not weigh down the apparatus and will work for a long time. Be careful, all actions related to electrical devices oblige you to follow safety rules.

See Converting a cordless screwdriver to a mains

  • How to convert a battery device to a screwdriver from a 220 volt network
  • Why do you need to remodel a mains-powered screwdriver
  • Converting a screwdriver to a network using laptop charging
  • Convenient screwdriver from the network: features of use
  • How to make a screwdriver from the network

Convenient screwdriver from the network: features of use

The cordless cordless screwdriver is a great helper in your home. Almost everyone who he has never let down can agree with this. Those who stopped working halfway have a completely different opinion. This tool will help you always and everywhere, but exactly until the time the battery is discharged. over, the quantity in it is limited. In moments of idleness, the battery can also deteriorate. Batteries usually last no more than three years. When this time expires, it has to be changed or sent to the museum of obsolete things. The situation is possible if you convert the screwdriver into a network one. There are enough ways to do this.

The power supply unit of the device provides the function of changing the alternating current with a voltage of 220V. Standard screwdrivers consume a constant current, with a nominal value in the range of 9-18V. In this regard, connection to the network is carried out subject to the use of an electronic transformer. For these purposes, products of the Toshibra and Feron brands are most suitable.

In order for the screwdriver to be comfortable and practical, it must be carefully looked after.

Mains transformers of these brands are of high quality and reliable in operation. In addition, they are quite compact, lightweight, and do not complicate the work with the tool. Their load characteristics are close to those required for a standard screwdriver. In their design there are 2 input and output wires, which allows you to supply power to halogen lamps and other types of electricity consumers with a voltage of 12V. However, to use the converted device, you need to adhere to some rules.

Here they are:

  • Let the appliance rest for 5 minutes every 20;
  • Fix the cable at the elbow with your hand so that it does not interfere with the work;
  • Clean the power supply from dust;
  • Do not use too many extension cords;
  • Do not use the device without grounding;
  • It is forbidden to use a converted device for work at height.

Before each start of work with the converted device, make sure it is working properly.

How to convert a battery device to a screwdriver from a 220 volt network

Today the screwdriver belongs to the devices that we very often use in everyday life. It is also irreplaceable in production. This device is suitable for a variety of electrical and construction work. With its help, furniture and other items are assembled, the design of which requires threaded connections.

The cordless screwdriver is compact and portable. But not everyone is happy with these advantages, because the device quickly runs out of battery, and you have to interrupt work halfway. Therefore, many owners of this tool are interested in the question of how you can remake a screwdriver with a battery on a network.

In order to convert the battery device to a cordless screwdriver, it is necessary to prepare materials and tools for work in advance.

The reason for this decision is also the fact that when the device is not used for a long time, the battery is discharged independently, which leads to a breakdown of the screwdriver due to the destruction of some elements. It is impossible to repair a failed battery, and it is not always possible to purchase a new one. Often, component parts can only be purchased from the official representatives of the manufacturer. Accordingly, the cost of a new battery will be almost equal to the cost of a new screwdriver. Therefore, some craftsmen come to the decision to turn the screwdriver into a network.

Materials and tools required for this:

  • Charger from this screwdriver;
  • His native battery;
  • Soft stranded electrical cable;
  • Soldering iron and solder;
  • Insulating tape;
  • Acid.

First, you need to solder the loose ends of the cable to the terminals of the charger. You need to know that copper wires of a cable with brass contacts can be soldered only after they have been treated with acid. Experts recommend using special solder, but sometimes the simplest methods are used in the form of acid treatment.

Why do you need to remodel a mains-powered screwdriver

In order for you to be able to use a screwdriver even in the most inaccessible places without unnecessary wires, at any time, the mobile screwdriver is converted to a network.

To carry out such a procedure is not so difficult as it seems at first glance. With the appropriate skills and all the necessary components, this process will take a little time.

It is difficult to remake a cordless screwdriver, so you can ask a professional for help

Methods for converting a cordless screwdriver into a network vary in complexity. One of them. powering the charging from a laptop practically does not require knowledge and skills. To mount a computer power supply, you need to know how to handle a soldering iron, and to repurpose a Chinese adapter, you need to know how to handle a measuring device. In addition, there are several other methods for converting a cordless screwdriver directly into a network.

Namely:

  • Using a power supply device from a personal computer instead of a battery;
  • Giving new life to the car battery;
  • Using, as source, a power supply from halogen lamps;
  • By connecting the Chinese 24V power supply board.

For brainy craftsmen, such manipulations are not difficult. If you are not confident in your abilities, then it is better not to risk it and seek the help of a knowledgeable specialist.

How to convert a cordless screwdriver to a network: powered from a 220 volt network, DIY alteration

Home »How to convert a cordless screwdriver to the mains: powered from a 220 volt network, DIY alteration

Converting a screwdriver to a network using laptop charging

In the event of a battery failure, a household screwdriver can be switched to mains power by making some changes to its design. This does not require a lot of expenditure of finance, time and effort. The positive nuances of such a transformation are obvious: you do not need to constantly charge the battery, and at the same time, the forced downtime will go away. After all, the shortest duration for charging the device is more than 3 hours.

However, when deciding to perform such a transformation with your screwdriver, you should understand that from now on you will need an alternating current to work with it. You will no longer be able to use it away from communications.

If you need to connect the screwdriver to the network, you can use the charger from an old laptop. It has similar characteristics to a screwdriver, and it can be easily found in every home or workshop. But, nevertheless, check what output voltage is shown for your charging. In this case, chargers for 12-19V are suitable.

Using a laptop charger, you can convert a screwdriver to a network

Scheme of your actions:

  • We take out unusable batteries from a failed battery pack.
  • We take charge from the laptop.
  • Cut off the connector and strip the wires from insulation.
  • We solder the bare wires or wrap them with electrical tape.
  • We make an outlet for the wire in the case.
  • Assembling the structure.

This manipulation will allow you to use the screwdriver at any moment, and without stopping for charging.

How to convert a cordless screwdriver to a network: powered from a 220 volt network, DIY alteration

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You can extend the life of a cordless screwdriver if you convert it to a network one. Those who have used a cordless screwdriver at least once could not help but appreciate its convenience. Without getting tangled in the wires, at any time you can penetrate the device into hard-to-reach niches, bring it to the country house, or take it out into the street and patch up the playground. But all the advantages of such a device are good until the battery is discharged.

Connecting to the power supply from a computer

Screwdriver connected to the computer’s power supply

These PSUs are distinguished by the presence of their own cooling system, protection against voltage surges. Only two output wires are used for connection, yellow. 12 volts “plus”, black ground.

The disadvantage of this option is that the power supplies must be worn during work and installed in a well-ventilated place.

It is possible to attach a handle for mobility. It is important to understand that cordless screwdrivers with a required voltage of more than 14.4 volts will not work from this method of supplying energy.

Connecting to an external battery

An external battery source can be of increased capacity, it is necessary to select a cell suitable for voltage. The battery is mainly used from an uninterruptible power supply. Alteration is not difficult, does not require large financial costs.

For alteration, you need a wire with a cross section of at least 2.5 mm, up to 2 meters long. It is necessary to disassemble the tool, remove the old battery cells, connect the wire to the terminals. Make a neat hole for the power cord, assemble a converted screwdriver and try it out at work.

Reasons for redesigning a cordless screwdriver

The lack of a power source makes any volatile thing stupid. It is almost impossible to remake a dead battery, there is only one way out. reworking a screwdriver into a network one. The high price of a new battery makes the purchase impractical, in order to save money, the owners of unused tools are wondering how to convert a cordless screwdriver into a network.

There are times when the used screwdriver is out of production, then it is almost impossible to find a new battery. A screwdriver without a battery is a completely useless thing that will collect dust on the garage shelf if nothing is done. The main advantages of the rework:

  • The tool becomes operational, it may well replace a mini drill.
  • No need to monitor battery level.
  • The tightening torque is independent of the remaining battery charge.

The only drawbacks are the presence of a wire, dependence on the electrical network. After alteration, the device acquires an electric cable, which does not allow working in hard-to-reach places, far from the power source.

Mounting the finished power supply in the old battery case

If it was possible to purchase a power supply unit with the corresponding indicators on the market, installation and alteration is carried out in several simple steps:

  • Dismantle the old battery housing, remove the spent elements.
  • Install a new power supply in such a way that it fits snugly against the case, if necessary, you can glue it, connect high voltage wires (output from a 220 volt outlet).
  • Connect the low voltage terminals to the power supply of the electric motor of the wrench, in the absence of contacts, the wires will have to be re-soldered.
  • Assemble the body after alteration and install the unit on the screwdriver.

Mounting the finished power supply in the old battery case

It must be remembered that compact power supplies are heated in an enclosed space, therefore several holes must be drilled on different sides of the case for ventilation.

DIY screwdriver alteration

There are enough craftsmen in everyday life of the household, there are many ways how to convert a screwdriver to mains power. It is enough to provide the required voltage for the electric drive of the device.

Disassembled cordless screwdriver

In some cases, for alteration, it is enough to use the charger from the kit, it is available, because supplied complete with a screwdriver. It is quite simple to remake such a structure, it is enough to disassemble the screwdriver, connect the output contacts on the charger with the drive wires. The voltage produced by the charger after the alteration corresponds to the technical characteristics of the drive, there is no need to worry about the safety of the electrical part. It is also worth noting that there is no need to disassemble the device completely. only the wires designated for use need to be connected. A significant drawback is the size of the charger, it is not convenient to constantly move it during work and causes discomfort.

The power supply of the screwdriver can be achieved by several types of blocks. The case accommodates some of them, the rest are outside.

There are many ways to alter a cordless screwdriver, all have pros and cons.

  • In the case of the old battery, a place is organized for the finished power supply unit. The alteration is simple, no intervention in the electrical circuit is required, it is enough to carefully perform the work, to achieve a perfect appearance. The disadvantages are the time spent searching for a block with the appropriate voltage and size. Also, small devices usually heat up in an enclosed space, it is necessary to provide the device with ventilation by making holes in the case.
  • Installing a homemade energy source is a more complex solution, it requires finding the necessary radio parts and understanding the circuit. The advantages of this method of alteration are low financial costs, no losses when using a low voltage cable, no changes in the appearance of the device.
  • An external power supply unit can be used when working in one place, since the device’s mobility and compactness are lost. There are also costs associated with finding a suitable voltage for the electric drive of the screwdriver.
  • The most common external type device is a computer power supply. The advantages are that it is easy to find on disassembly for a reasonable price, there are no complicated rework processes. However, the bulky design will not be to everyone’s taste.

Replacing old elements

When purchasing new battery cells in radio components, it is necessary to check their capacity and voltage on the spot.

In case of improper storage, the batteries lose their capacity, do not meet the declared characteristics.

  • Unscrew the screws securing the case, remove the cover and the old battery cells.
  • Place new cells, soldered together, into the battery case.
  • Assemble in the reverse order, after alteration try the work.

When soldering, you must act quickly, otherwise overheating of the battery can cause an unusable condition due to temperature changes.

Connecting to car battery

Connecting to a car battery will make it possible to work autonomously without a power supply. The parameters of the screwdriver can be from 10.8 to 14.4 volts, a charged car battery is capable of delivering an average of 12.5 volts of voltage. To use, you need to connect two power wires with crocodiles to the screwdriver.

Connecting to car battery

The alteration is carried out after the disassembly operation, then connecting the power wires to the wires of the electric drive of the screwdriver. In the absence of a soldering iron, it is possible to simply connect with a twist, but this does not guarantee reliable contact. After connecting the contacts, insulate the wires and test the tool during operation by connecting to the battery.

Connecting to an external power supply

The external battery is used when compact elements are inaccessible or the need for continuous operation of the tool.

Cordless screwdriver connected to an external power supply

It is worth remembering the steps during disassembly or taking pictures, since intervention and alteration of the electric circuit of the screwdriver are performed, the assembly will need to be done exactly in the reverse order.

Car charger

In search of a solution to the question “is it possible to connect a screwdriver to a charger”, you can stop at charging with a car AK-block. Modules with manually adjustable current, voltage are applicable. The connection is absolutely not complicated. it is enough to connect the input channels of the tool motor to the contacts of the car charger.

On our own

For users with special knowledge and skills, there will be no difficult problem “is it possible to power a screwdriver from a charger without special means”, because assembly of the feeding block is possible with your own hands. Instead of damaged elements, a power module assembled according to the scheme is inserted into the case. The outgoing voltage is monitored, the wires are powered, the case is locked.

Tip: the circuit may require additional load, it can be ensured by including a 15W light bulb in the system, which will also provide backlight.

How to connect to the charging station

Before deciding whether it is possible to charge the battery of a screwdriver with a charger, you need to remember that the charging unit of the screwdriver supplies a low voltage, with a long wire length, the voltage is lost, so it would be rational to connect through a meter cord with a cross section of 2.5 mm2 or more.

  • Wires are attached to the contacts of the charging unit of the screwdriver. Spoiled nutrients are removed from the nest.
  • A groove is made in the case, a cable is passed through it. It is proposed to seal the entry point with elastic material so that there is no backlash and the wire is held securely in place.
  • Since the nest has lost its weight after the removal of unusable elements, it is recommended to restore the balance by inserting some load into the freed space, otherwise the hand will get very tired during work, eventually harming the health of the joints and ligaments.
  • The cable and previously attached wires are connected together, the body is assembled.

A computer module will work too

Another solution to the problem of powering a screwdriver. mounting it to a computer power supply. This option is applicable to those modules that are equipped with a mechanical trigger. The positive aspect is that the unit is cooled by a cooler and is protected from exaggeration of the load by the built-in special system.

Such an assembly is arranged only using power modules for 300-350 W and a current of 12 volts, not less than 16 A. For instruments with a voltage of more than 14 volts, this power supply option does not work.

The user may want to hide an unaesthetic unit in a beautiful case, then it is recommended not to forget to arrange ventilation in it.

Other ways to supply power

Block inside

The solution to the problem “is it possible to connect the screwdriver through the charger” can be an alternative option for powering the screwdriver. installing the power supply into the empty case of the tool power unit.

Before starting the action, it is necessary to prevent overheating of the block, for which holes are arranged in the case in advance, which will provide air movement, heat removal. It is advisable to reduce the time of continuous work with a screwdriver with such an improvement to 15 minutes.

A ready-made block is purchased, it is selected according to the size of the case, technical indicators. The most suitable for use is the pulse version of the module, it is small in size, lightweight. The use of modules of domestic production from the times of the last century is not recommended. they have large volumes with low efficiency.

Unsuitable batteries are removed from the bed, and the power supply is placed in their place. The contacts are energized, the case is closed. The assembled hybrid gadget is ready to work from the network.

  • Cables can be extended for convenience.
  • It is necessary to monitor the quality of the assembly: the structure should not be able to touch the metal elements, otherwise the circuit cannot be avoided. It is best to leave some space between the transformer and the board, which will have a positive effect on cooling.
  • If any parts of the structure are very hot, it is possible to install modules that remove excess heat, or to arrange ventilation slots.

Is it possible to connect the screwdriver directly to the charger

The screwdriver is convenient for its ubiquity. independence from limiting wires makes it possible to wade into hard-to-reach areas. A set of two power modules allows you to power one of them while working with the other. However, each battery pack has a finite number of charge / discharge periods, failing once they are used up. In inexpensive tools, blocks break faster, and the user receives a gadget with a working motor, but no power. Then the dilemma arises “is it possible to connect the screwdriver directly to the charging”.

You can feed such a screwdriver by connecting it to the network through a power supply unit, because its motor operates at 220 volts.

General recommendations

All of the above methods include one stage that combines them. disassembly of the housing of the power supply module. If the frame is fixed on bolts, then this is not a difficulty, fastening on the glue requires careful opening of the seam by tapping on the slot with a hammer, digging a knife into it.

During installation, observe the voltage direction. it should not be supplied to the battery. Therefore, the module is mounted in parallel with the supply contacts, a diode illuminator for a certain power is built into the positive line.

How to make Powerful Electric Screwdriver

Summary: there is a positive answer to the question “can a screwdriver work from a charger”, and there are several solutions, however, caution is required, some scientific knowledge and dexterity.

Making a homemade power supply

If you are familiar with the principles of building electrical circuits, you can make your own power supply. Scheme giving general concepts. in the illustration.

The transformer can be picked up from an old tube TV, or other household appliances. Power for 220 volts 250-350W. The main thing is the power supply. the donor should not be pulsed.

The voltage on the secondary winding is 24-30 volts. The secondary winding is made from a wire of the corresponding section.

However, if the output winding current is at least 15 amperes (see transformer specification), there is nothing to worry about.

After losses on the diode bridge (1-1.5 V on the diode), you will get the required output value.

If you have an electrical engineering education, make the calculation yourself. Or in a practical way: by connecting a 220 volt 100W incandescent lamp as a load, measure the output voltage. E

If it exceeds the needs of the screwdriver, reduce the number of turns of the secondary winding of the transformer.

Conversion of a screwdriver from a battery to a mains supply

  • Battery Disadvantages
  • There is a way out. reworking the screwdriver in the network
  • External power supply
  • Battery case power supply
  • DIY screwdriver alteration
  • Using a power supply from a personal computer
  • Using a car battery charger
  • Making a homemade power supply
  • AC adapter for screwdriver in battery housing
  • We build in a ready-made power supply
  • Homemade power scheme

Those who have used a cordless screwdriver have appreciated its convenience. At any time, without getting tangled in the wires, you can crawl into hard-to-reach niches. Until the battery runs out.

AC adapter for screwdriver in battery housing

If your tool is not too powerful, you can place the power supply in the handle or case from damaged batteries.

We build in a ready-made power supply

To do this, you need to purchase a ready-made block with suitable characteristics and dimensions. There is enough such good on the radio markets.

How To Make a Screwdriver From a Pen

Take the body with you and go to the fitting. When the desired power source is purchased, carefully separate it from the case.

We place the screwdriver in the battery box. All components must be securely fastened.

If necessary, extend the wires connecting the control board and the transformer. If the circuit touches the metal parts of the transformer during operation, a short circuit will occur.

Since the space in the case allows. separate the board and the transformer for better cooling. Whichever quality power supply you choose, the load will be high and overheating is possible.

It will not be superfluous to fix additional radiators on the power control microcircuits. Operate the screwdriver for a long time, disconnect it from the mains and touch the radio parts on the control board.

You yourself will understand which elements need heat dissipation. Holes can be made in the housing for air circulation.

Redesigning the power supply unit with your own hands will not take much time, and the cost of the purchased module is incomparable with restoring the battery’s performance.

There is a way out. reworking the screwdriver in the network

Yes, it loses one of the benefits of a cordless tool. mobility. But for work in rooms with access to a 220 volt network, this is an excellent way out. Especially since you give new life to a broken instrument.

There are two concepts of how to make a network out of a cordless screwdriver:

Using a car battery charger

The principle is the same as using a computer power supply. It is necessary to purchase an old charger for the starter batteries. The modern fashion for compact impulse chargers has left analog linear devices with manual control of voltage and charge current behind board. Therefore, such a device can be purchased on the automotive market for a symbolic cost.

Charger MAX INTER

It’s good if the voltage can be adjusted smoothly. in this case, your makeshift power supply will fit any screwdriver.

Converting it to a power tool is reduced to connecting the input of the electric motor to the power terminals of the charger.

Using a power supply from a personal computer

On the radio market for a small cost, you can purchase an old power supply from a personal computer. We need a version of the “AT” format, which had to be turned off with the key after exiting the operating system.

Experienced users remember such system blocks. The advantage of such a power supply is also that it indicates an honest power. If it says 300W, it means you can safely remove 15-16 amperes from the 12-volt output (again referring to Ohm’s law). This is enough to power an average screwdriver.

Such blocks have a power button in the kit. Another advantage is the presence of a cooling fan and an advanced overload protection system.

If you will hide the power supply in a beautiful case, do not forget to leave a hole for ventilation.

The connection is very simple. Black wire (-), yellow wire (12V).

Limitations. a screwdriver with a supply voltage higher than 14 volts will not work.

Battery Disadvantages

  • Needs regular recharging. Sooner or later, batteries will run out of charge cycles.
  • The cheaper the tool, the faster the rework time will come.

There is nothing wrong with that, but you should be aware that the manufacturer saves as much as you do. Consequently, the most expensive unit (and this is the battery) will be the cheapest when bundled.

As a result, we get an excellent tool with a serviceable motor and not a worn gearbox, which does not work due to a poor-quality battery.

There is an option to purchase a new set of batteries, or replace faulty batteries in the unit. However, this is a budget event. The cost is comparable to buying a new screwdriver.

The second option is to use a spare or old battery from the car (if you have one). But the starter battery is heavy, and the use of such a tandem is not very comfortable.