The manufacturer installs maintenance-free or low-maintenance batteries with a nominal voltage of 12 V on Opel Astra J vehicles. The battery elements are located in a polypropylene monoblock and are covered with a common cover, inseparably connected to the monoblock.
There are no plugs in the cover of a maintenance-free battery, since adding distilled water is not required. The cover of a low-maintenance battery has plugs for checking the level and density of the electrolyte and adding distilled water. In addition, the cover may have a built-in electrolyte density indicator, the readings of which take into account the battery temperature. Two ventilation holes provide an outlet for a small amount of gas formed in the battery. This section describes a low-maintenance battery with a capacity of 60 Ah as the most common. The methods for removing and installing, as well as charging other types of batteries are almost identical.
Note: Instead of the standard battery, you can install any battery of similar capacity and mounting dimensions from other manufacturers. In this case, use and maintain the battery in accordance with the instructions attached to it (see also Battery Care).
Warnings
Batteries of the same model can be manufactured in two versions with different connection polarity (the positive and negative terminals of batteries of different versions are located oppositely).
(The article was published on the website: «www.opelbook.ru»)
Purchase a battery of the same polarity as the one installed on the vehicle, as a battery of a different polarity will not be able to be connected to the vehicle's electrical system due to insufficient length of the wires and mismatch of the sizes of their tips. In addition, some manufacturers produce batteries with reduced terminal sizes (another standard), which also cannot be connected to your vehicle's on-board network.
When working with metal tools, avoid short-circuiting the battery.
When charging the battery, an explosive gas mixture is formed, so do not smoke or use open fire while charging or servicing the battery. Charge the battery in a well-ventilated area.
If electrolyte accidentally splashes onto your skin or into your eyes, immediately rinse the affected areas with plenty of water and then with a 2% solution of baking soda until medical assistance is provided (0.5 teaspoon per glass of water).
After any work with the battery, be sure to wash your hands with soap.
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