Subaru 82110XA00A Battery Assembly 75D

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To be able to test a battery accurately, it should be either at a full charge or near it. Start by separating the negative battery cable and conducting some tests. To begin with, carry out a state of charge test on the battery, visually checking the indicator eye or inspecting the electrolyte level if there are removable caps. After this, measure the specific gravity of the electrolyte with the use of a hydrometer. In case its specific gravity is low, charge this battery. Then locate an open circuit voltage using digital voltmeter and make sure that battery voltage is over 12.5 volts; if not, then it must be charged. Finally, utilize load tester to check for battery's ability to accommodate intense amperage draw by keeping load on about 15 seconds without allowing voltage to drop lower than 9.6 volts. For your task involving battery drain test, remove underhood lights and take note of any excessive drain using digital ammeter (one fuse at a time is pulled until faulty circuit is identified). When replacing batteries, first remove negative cable followed by isolating it from the system but exercise caution while doing so. Subsequently positive cables are disconnected before taking away clamp holding down batteries closely followed by being careful lifting it out considering lift strap when necessary among others.Inspect tray as well since baking soda together with water mixture can be used in cleaning once corrosion has appeared.Then make sure that replacement matches dimensions and specifications of old one.Installation is just as removing whereby after having connected cables onto new products apply light coats made up petroleum jelly or grease so that corrosion does not occur again.

Precautions when working on the battery include turning off the engine and accessories, disconnecting the cable from the negative terminal, and avoiding sparks, smoking, or flames due to the flammable and explosive hydrogen gas produced by the battery. Additionally, be cautious of the poisonous and corrosive sulfuric acid in the electrolyte, wearing protective safety glasses, and keeping it away from eyes, skin, and clothes.

A fully charged battery should read 12.6 volts or higher.

Make sure to get a battery that is identical, with the same dimensions, amperage rating, cold cranking rating, etc.

After disconnecting the battery, you should isolate the cable end to prevent it from coming into accidental contact with the battery terminal.