Removing the battery cover. How to open a maintenance-free battery yourself. When to unscrew and when not to unscrew
Beginning car owners always have a lot of questions, many of which are due to existing gaps in knowledge and at the same time fear of damaging the car (part). Over time, the knowledge relating to auto topics is added, experience, confidence grows. some questions disappear by themselves. But there are some that may cause a dispute even among experienced car owners, such as whether to unscrew the plugs when charging the battery. But is it really necessary to? Let’s get to the bottom of this.
It’s no secret that car batteries are of several types: lead-acid (low-surmass), calcium and hybrid (in composition), as well as serviced and unattended (in design features). So the dilemma of the necessity to unscrew the plugs the car owner can ask only when it comes to serviced standard lead batteries or hybrids, because only in them these very plugs will be present.
All other variants don’t have possibility to top up water or electrolyte and that’s why they don’t have special holes.
So, is it necessary to unscrew plugs while charging the battery of the car??
In fact, there’s no definite answer.
On the one hand, everything is very simple: in the car battery is fed without breaking the seal and nothing happens to it, plus, engineers are not stupid people, they, of course, provided the possibility of overcharging and the impact of increased pressure on the walls of the device, it means that while charging plugs do not need to remove.
On the other hand, a long used battery is not as reliable as a new one, so how long it can withstand the vapor pressure from boiling acid is not known, therefore, to minimize the risk of possible explosion, it is still recommended to unscrew the caps.
- when a new battery needs to be recharged (e.g. from 12.4 V to 12.7 V) for a small amount of time with a low current, do not unscrew the “lids”;
- when the battery has a short service life, but completely discharged, the plugs can be unscrewed to measure the density of the electrolyte, while charging their complete absence is not required, just a little slack;
- when reanimating a fully drained old battery or recharging it. unscrew the covers ALWAYS, non-compliance with this recommendation is fraught with rupture of the battery.
How to remove the battery cover of Varta, Bosch, Atlas, Delkor, Bost, Banner
If you want to remove the cover from a Varta, Bosch, Atlas, Delkor, Bost, Banner car battery. Relax, you can’t do that. If you want to remove the battery cover itself, which has the pole terminals on it, be aware that it is hermetically sealed at the factory and does not have to be removed. The battery can be thrown away.
If you want to remove the single lid plate, it covers the labyrinth system for condensation of vapors, which you also can’t remove. But it all depends on what you need to remove the battery cover for. If you need to measure the electrolyte level you can do with weighing of battery on the scale and comparison of indicators with new battery. If you need to measure the density, it’s easier to measure the voltage and relax. If you need to add distilled water, you can do some clever things. You can make very small holes without damaging the labyrinth system and put it in with a medical syringe. After pouring the hole must be soldered.
All about batteries
A battery is a chemical current source that requires certain chemical processes to function properly. As the battery discharges, the sulfuric acid “sticks” to the negative electrode, forming insoluble lead sulfate that leaves the battery with an insoluble lead
Very often one hears from sellers in car dealers about hybrid batteries. So what is a hybrid battery?? The hybrid car battery is indistinguishable from other acid batteries in appearance, except for the marking on the label
Modern car power sources require less and less human involvement in the process of operation. Maintenance free batteries do not require topping up with water or electrolyte during their entire lifetime. If the owner likes the battery, but the indicator says that the battery life is exhausted, can the battery be restored?? How to open the battery and get the lead plates for fishing?
The unmaintainable power supply is attractive for those who don’t want to worry about the state of the power source. However, many people are used to control all elements of the car system. The closed type battery is traditionally considered to be impossible to open. Indeed, such batteries do not have any technical holes on their casing. However, if you want to make your car battery serviceable or take the lead out of it, it is possible to disassemble a maintenance-free power source. You will need some tools and safety knowledge to do so.
Replacement Options
It is natural that the car owner will have a question about what battery it will be better and more preferable to choose for his German car Volkswagen Polo.
The range is really wide and everyone will be able to find the best option for themselves in terms of cost, features and other important and significant individual parameters.
Before buying, you should look at the technical documentation or determine the characteristics of the standard battery for the Volkswagen Polo by VIN-code.
This will give an understanding of exactly what factory version of the battery is used on a particular generation and modification of the car Volkswagen Polo.
Quite a good option is to buy the original battery, which again can be found by VIN-code or on the basis of the technical documentation. But this is quite expensive, plus it is not always possible to quickly get the desired product.
Taking into account all these factors, car owners often choose among the analogues. They can be divided into 3 price categories:
For the most frugal or those who cannot yet afford to buy a more expensive battery model, these options from the category of budget battery:
- Russian Star 60R;
- Ataka 60R;
- Autofan 60R;
- Uno 60R;
- Tyumen Standart 60R; 60 and 64R;
- Inci Aku Supr A 60RS;
- Akom 55R;
- Bosch S3 005;
- Mutlu Mega Calcium 60R.
These batteries cost up to 4.5 thousand. The first models can be taken for literally 2000-2500.
But still, when choosing a battery for a car like the Volkswagen Polo, it is better to focus on the average budget category of batteries. And if possible, take proven maintenance-free batteries from leading manufacturers.
The mid-budget power supply category includes:
- Thomas 60RS;
- Blizzaro Silverline 60RS;
- Varta Blue D24;
- Varta Blue D59;
- Bosch S4 005;
- Bosch S4 004;
- Hankook 60R;
- Akom EFB 60-62R;
- TAB Polar S60R;
- Exide Excell EB602;
- Bost Premium 65R;
- TAB Magic 62R;
- Topla Top 62RS;
- Exide Premium EA612;
- Varta Silver D15.
This selection includes battery packs suitable for the Volkswagen Polo, in the price range of 4.5 to 6 thousand.
If the motorist is ready to part with more than 6 thousand, but give the money for a really good battery, then it is worth looking at the following options:
- Alphaline Ultra 62R; Bull 62R;
- Moll Kamina Start 62RS;
- Exide Premium EA640;
- Exide Start Stop EFB EL600;
- Moll M3plus 60R;
- Varta AGM D52;
- Alphaline AGM 60R;
- Exide Start Stop AGM EK600;
- Deka 647MF;
- TAB AGM 60R;
- Moll AGM Start Stop 60R.
These are excellent batteries for Volkswagen Polo of the last two generations. But their
If an owner of a relatively budget Polo Sedan or a regular Polo is ready to pay such an amount, you can safely count on a service life of more than 4-5 years.
Buying budget batteries, you should not expect them to work for more than 3-4 years.
Many cheap batteries fail after 1-2 years of use. Plus they are mostly serviceable or low-maintenance. And it is an additional cost in time and effort to refill distilled water, check the level and density of the electrolyte and other procedures related to maintenance. In this regard, buying maintenance-free batteries is much more profitable.
Independent replacement
Now directly to the question of how to remove the battery yourself on the Volkswagen Polo of recent generations.
over, the same instructions are suitable for removing the battery with a Volkswagen Polo Sedan, the most common in Russia. After all, this model was created specifically for the Russian market and is collected at the facilities of the domestic enterprise.
By itself, the replacement of the battery on such a passenger car as a Volkswagen Polo even a novice should not cause problems. From the car owner will only need to unscrew the mount and remove the battery from its Polo, and then put a new starter battery.
Volkswagen Polo has a standard location of the battery. The battery is located in the hood.
In order for the replacement and installation of the battery on the Polo and Polo Sedan to go smoothly, it is important to follow a certain sequence. The instructions can be presented as follows:
- turn off the engine, turn off the ignition and remove the key from the lock;
- make sure that all consumers are disconnected from the on-board power supply;
- lift the hood and secure it;
- using a 10 mm open-end wrench or ring spanner, loosen the minus terminal, which is always the starting point for removing the battery;
- remove the terminal and take the minus wire aside so that it does not accidentally return to contact with the battery;
- above the plus terminal there is a protective cover, to remove which you must simultaneously press on both sides of the two latches;
- lift the protective cover;
- Use the same 10 mm wrench to loosen the wire on the plus terminal;
- Unlatch the fuse box fasteners;
- remove it and take the wire away;
- it is important not to let the plus wire touch metal surfaces of the body;
- lead wire of positive terminal and fuse block are set aside;
- Using a socket head for 13 and an extension cord, now unscrew the mounting bolt of the bracket, which is responsible for fixing the battery;
- Now gently remove the battery from its seat.
It is clearly seen that independently replace the battery on a car like the Volkswagen Polo is not difficult.
When reversing the installation first connect the plus terminal, and only then you can connect the minus.
Under the hood of the Volkswagen Polo, it is mandatory to put the battery that meets the factory recommendations. But you can pick up the battery with a slight bias towards increasing the recommended parameters. The same capacity is allowed to increase by 5-10 Ah, but no more.
How to open the maintenance free battery
There are not many ways to open a sealed power supply, and they depend on the goal. If you need a lead (for hunting or fishing), you can not worry about how to open the battery, and just break its case.
In order to extend the life of the battery, you need to make holes that will give access to the banks.
- Remove the stickers from the surface of the battery.
- Examine the case carefully. Since the battery is sealed lead-acid battery was poured at the factory, the plugs remain stamped.
- Take an awl, screwdriver or drill and carefully make the holes where the fillings are.
This simple procedure requires care, but it allows you to restore the existing power supply to working order instead of buying a new one.
How to turn a maintenance-free battery into a serviceable one
The time comes and the car owner is no longer satisfied with the characteristics of the battery. If you have a sealed battery, don’t throw it away and buy a new one. You can make it serviceable if you open the cover in the way we described above. This will allow you to perform a number of procedures necessary to maintain the performance of the power supply.
The ability to check and change the electrolyte level is one of the signs that the battery is serviceable. Closed cell batteries are equipped with an indicator which allows you to see the electrolyte level. Some areometers are made of translucent materials or feature marks to help keep track of the amount of solution in all jars. The electrolyte level can be checked using a special tube or syringe, inserting them into the holes made in the lid. The normal amount of solution relates to 10 to 12 millimeters of liquid above the plates.
Do not forget that not only the acid level but also its density is an important characteristic of battery performance. Get a reading of the density of the solution with a areometer. Take a syringe, insert it through the hole in the lid, and draw the electrolyte from the can. Pour it into the areometer and look at the reading. If the density is too low (less than 1.22 g/cm3 at up to 6°C), the battery is not working properly and indicates that the electrolyte is low and needs to be replenished. If the density or level of the solution is too low, you should top up with distilled water.
For more information about the process of density adjustment read our article: How to use areometer.
Checking the electrolyte level with a clear tube.
We pay your attention, the excessive concentration of electrolyte leads to unfortunate consequences. sulphation and plate degradation.
The figure shows electrolyte density values under different conditions.
When you have finished topping up with water or acid solution, seal the holes in the lid with sealant.
How to turn a maintenance free battery into a serviceable one
The time comes and the car owner is no longer satisfied with the characteristics of the battery. If you have a sealed battery, don’t throw it away and buy a new one. You can make it serviceable if you open the cover in the way we described above. This will make it possible to carry out a number of procedures necessary to maintain the operability of the power supply.
The ability to check and change the electrolyte level is one indication that the battery is serviceable. Closed cell batteries have an indicator that allows you to see the electrolyte level. Some casings are made of translucent materials or are characterized by the presence of marks, which helps to keep track of the amount of solution in all the jars. The electrolyte level can be checked using a special tube or syringe inserted into the holes made in the lid. The normal amount of solution relates to values of 10 to 12 millimeters of liquid above the plates.
Do not forget that not only the acid level but also its density is an important characteristic of battery performance. The density of the solution can be read using a areometer. Take a syringe, put it through the hole in the cap and draw electrolyte from the can. Pour it into the areometer and check the reading. If the density is too low (less than 1.22 g/cm3 at up to 6°C), the battery will not function properly and indicates that the electrolyte level is too low and must be topped up. Add distilled water to the areometer when the solution is too thick or insufficient.
Read more about density correction in our article: How to use the areometer correctly.
Checking the electrolyte level with a transparent tube.
Please note that the high concentration of electrolyte has serious consequences, such as sulphation and plate degradation.
On the picture you can see the values of density of the electrolyte in different conditions.
After finishing topping up with water or acid solution, it is necessary to cover the holes in the cover with sealant.
Safety Precautions
Warning! Sealed battery contains an acid solution. Getting it on unprotected skin can cause burns.
- We strongly recommend the use of protective equipment when disassembling a power supply. It is strictly forbidden to turn or shake the cans. It can cause a short circuit.
- If the battery cover is secured with clasps, take care not to break them. If it breaks, the part will have to be glued down, which does not guarantee safe use of the power supply.
- If you want to use a tool to shatter the battery, choose protective equipment that will help protect your eyes from the shards.
Is it safe to say that a maintenance-free battery can be made into a serviceable one? Of course, a sealed battery can be rebuilt! If the purpose of opening the battery is to get lead for fishing or hunting, then observing a number of precautions, you can easily manage with just a hammer.
Safety Precautions
Is it safe to say that a maintenance-free battery can be turned into a serviceable one?? Of course, a closed battery can be rebuilt! If the purpose of opening a battery is to get lead for fishing or hunting, then with a few precautions, you can easily manage with just a hammer.
About the company
Robert Bosch, an entrepreneur and talented engineer from Stuttgart, decided to found his own company in 1886. Since 1927, Robert Bosch has been manufacturing car batteries. At the same time was established the production of other automotive components, in particular, ignition systems.
Since then, one of the main activities of the company was the production of spare parts, consumables and accessories for cars.
By working closely with leading automakers, of which there are many in Germany itself, the company has managed to become one of the leaders in the manufacture of automotive batteries, characterized by German quality, high starting current and capacity and, of course, reliability and durability.
Today the Bosch Group has about 300 subsidiaries and more than 13000 branches, engaged in service of products manufactured under this brand. Bosch batteries are used by many car manufacturers as original equipment for their cars.
- A unique wafer composition that ensures the highest conductivity;
- Innovative design of the housing, which ensures its tightness;
- Equipped with a labyrinth lid system that minimizes electrolyte loss;
- Improved electrode structure, which allowed increasing starter current by 120%;
- minimal self-discharge;
- higher service life;
- the ability to provide reliable starting in a wide temperature range.
Bosch battery range
Since we are interested in passenger car batteries, our short review will focus on the following lines. There are virtually no user-configurable battery models among them.
Bosch S3
This series is designed for cars with minimum power consumption. If we talk about new cars, they are mostly small cars. Such batteries will be also suitable for second-hand cars, made quite a long time ago.
In spite of its affordable price, Bosch S3 batteries have a decent quality and reliability. For pragmatic motorists such a battery is the ideal choice.
Bosch S4 Silver
The most universal series of car batteries from “Bosch” guarantees steady power supply and reliable starting of the engine, regardless of external temperature. This range contains models that can be installed on most makes and models of car fleet of the world. All of them are characterized by excellent performance and unbeatable combination of price and quality.
S4 Silver series battery models are recommended for installation on European and Asian (produced in accordance with the JIS standard) medium-duty vehicles, i.e. with the average level of electricity consumption.
Having the increased starting current, these batteries operate with confidence in all climatic zones and are characterized by low maintenance and service life as declared.
Other advantages of the Bosch S4 Silver series:
- 15% higher starting current and 20% longer service life of the “silver” series as compared with analogous models from other manufacturers;
- stable starting of power units in all climatic zones;
- compliance with the requirements of the world’s leading car manufacturers.
Bosch S5 Silver Plus
Even more powerful line of batteries includes a lot of innovative solutions, that help to bring these batteries to a new level. Use of the “silver technology” in manufacturing of plates and the active zone has allowed increasing the starting current without increasing the battery size. The company’s engineers also managed to increase the service life of S5 Silver Plus car batteries by 30%.
Russian consumers should note: the manufacturer claims that batteries of this series provide reliable starting of the power unit at the most extreme subzero temperatures.
The choice of models is great, you can choose a model for almost any car, but we recommend S5 Silver for cars with a lot of power consumers, as well as for cars equipped with powerful diesel engines.
It can also be noted that these batteries are ideally suited for operation in the urban mode with short trips and long idle time in traffic jams.
Bosch S5 EFB
In the manufacture of batteries of this series a proprietary Enhanced Flooded Battery technology is used, which acronym is shown in the name of the line. Its essence is the use of special envelopes, enveloping the plates and having microscopic pores. diameter of these holes is such, that it prevents electrolyte leakage, but doesn’t prevent current flow. As a result, the active zone is held on the plate surface much better, increasing battery life.
- higher starting current than the S5 Silver Plus series;
- They can be used in vehicles equipped with a Start-Stop system;
- affordable cost;
- Ability to provide an increased number of charge-discharge cycles.
Bosch S6 AGM HighTec
The latest generation AGM batteries are characterized by increased resistance to multiple charge-discharge cycles and no deep-discharge fear. These maintenance-free batteries have higher vibration resistance and are not afraid of jolts and impacts.
S6 AGM HighTec are recommended for luxury cars, off-roads and models with high energy consumption. These batteries have also proven themselves in water transport, as power sources for trailers, motor homes and similar vehicles.
- High vibration resistance and mechanical strength;
- absolute tightness;
- Easy and safe operation;
- Can be installed horizontally.
How to open the Bosch S4 battery
How to open the Bosch battery
Batteries
The highest level, which many years ago was raised by the car battery manufacturer Bosch. as before unattainable limit for many other manufacturers. auto batteries of this brand have proven themselves in the global and Russian market. How to add water to a maintenance-free bosh s4 60 amp battery. Thanks to modern technology Bosch offers the possibility of easy starting even of a cold engine, the self-discharge rate is very low, which allows using the battery after a long standstill, a large power reserve (the electrolyte volume is increased, because the thickness of the grids is reduced), and a special structure of lead grids ensures a fast charge of the battery. And this is just a small fraction of the advantages of Bosch car batteries, which are recognized by experts as the best for use in urban areas. Batteries for passenger cars Bosch s4 silver/12v. Technical. Due to the high quality, number of variations and series, these batteries can be matched to any vehicle, including the JIS standard. That’s why you should buy a Bosch battery
Means to provide your car with a reliable power source for five-seven years.
How to top up a BOSH S4 battery
How to refill the water in the maintenance-free accumulator BOSH S4
Bosch S4 Asia 70 Ah Battery
Disassembling the non-disassembled Bosch S4 battery
The battery has been in use for almost 6 years. Bosch and Varta still.
Online Shop Services
To understand the range of Bosch batteries in our online store our sales managers will help you. Purchase will not give you any trouble, but only joyful experience, because our experts at your request will not only deliver the battery at the specified address, but also install it. Bosch s4 battery company elektromotor kiev. contact phone how to choose. The result is a high-quality, certified automotive battery
at quite reasonable price and in addition. two years guarantee on it.
All batteries Bosch offered in our online store
are certificated, have excellent technical characteristics and intended for automobiles of both foreign and domestic manufacture. In addition, the batteries are recommended for Asian cars.
In the hustle and bustle, as it always is: quickly, it turned out to be a Bosch s4 silver line (004). 560 409 054 (vin). That’s because the engine starts right away with a new battery. With its high performance potential and a variety of models it’s the ideal battery for any vehicle. for maximum power efficiency. The ever-increasing demands placed on car batteries have a simple explanation: the power grid of a modern car is overloaded with devices that increase the comfort and safety of. After all, it is so important for us to be not only safe, but also comfortable in the car. And a dead battery, you would agree, can absolutely ruin your plans for the dayAlmost a hundred years ago, Robert Bosch, the founder of Bosch, said some words that still characterize the corporate culture of the world-famous company today.
I recently encountered such a problem when my wife put the Mercedes in the garage and forgot to turn off the fog lights :aggressive: the result was a dead battery and the inability to open the electric. Bosch s4 silver battery. charged-battery.ru.
Our online store also values the trust of customers, so we offer you the best quality products. car batteries Bosch
Design of S5 AGM technology
A 12 V starter battery consists of 6 separate cells, placed in a housing and connected in series. The cell is the smallest electrochemical unit. It does not have an individual container, and the contacts are connected to adjacent parts of the structure by soldering. Each cell contains a cell which consists of a set of negative and positive plates, separated by a separator. a microporous insulating filler, installed between oppositely charged plates. The electrolyte is an aqueous solution diluted with sulfuric acid. It permeates the pores of the plate and spacers and fills the voids in the cells. The terminals, connectors, and plates are made of lead. Thermal sealing design is used for battery integrity and provides excellent performance. Improper operation leads to battery failure.
The main causes of rapid failure:
- Lights on when the car is parked.
- Auxiliary heating powered by battery.
- Defective alternator.
- Faulty voltage regulator.
- Control unit error.
- Optional electrical equipment installed.
- Installing a battery that does not match the car’s data sheet.
- Frequent stops of the car.
- Overloaded connected power: radio, TV, DVD, refrigeration units.
- Short circuit / dead cell.
Recommended: What is the acid in the car battery and fluid concentration
Charging a Bosch model plus
Before you charge the car battery at home, you need to prepare the tools for the job. After removing it, clean the battery terminals with a terminal brush, a mixture of baking soda and water to neutralize the acid. If there are many growths on the battery terminals and posts, wear protective goggles and a mask to prevent airborne corrosion from touching the eyes, nose and mouth. You can’t touch your face until your hands are washed. This model of battery does not require maintenance, so it will not be possible to open it to check the acid level. Instructions for safely charging a car battery:
- Start charging the battery immediately after discharge.
- Charge the battery by following the instructions for the specific device.
- Check to see if the charger is suitable for the job.
- Make sure the charger is off.
- Connect the positive cable of the device to the positive terminal of the battery.
- Connect the negative cable of the device to the negative terminal of the battery.
- Set the unit to the slowest charging speed.
- Turn on the charger and set the timer.
- When removing the charger, first turn it off, then remove the positive and negative cables.
- After charging is complete, the battery panel will indicate.
- Plug the device into the car and check the operation.
- If the driver is not going to drive the car after charging, check the battery level after 12 hours to make sure there are no problems with the battery itself.
If the battery charger is not working, it may have a serious breakdown and need to be inspected or repaired.
How long did you charge a dead battery at zero?
Battery with no maintenance is good, but if you kill it once, it is dead, then after that it is dead (especially in winter).
Dream. I’ve never let a FORD down. I charge it once every six months, just to be on the safe side.I have it in my kopeck.
Maintenance-free doesn’t mean it’s not rechargeable!
Hello please tell me I have the same battery and charger, a year ago also did this procedure is ok, but there was a different battery.It is plugged in but the diode that should be blinking just keeps on blinking?Or does it start flashing later?the self-diagnostic test shows that the z.it works.And it doesn’t get too warm for you either?
I didn’t have a blinking light on this particular charger. One of the bulbs is just changing color. To be honest I charged one once and now I can’t really remember.)