To refurbish an old car battery, wash the outside, remove the cell covers, refill the cells with distilled water, and charge the battery. The process should take no more than one hour. Working with car batteries can be dangerous, so use caution when performing this task.Know More
Using a mixture of water and baking soda, clean off the outside of the battery. Wear protective gloves and eyewear to prevent contact with any loose acid.
Most batteries have two small plastic caps that cover the six cell holes. Remove these caps, and place them aside. Carefully remove any dirt or debris from the areas that were previously covered by the caps. It is important that no dirt falls into the cells.
Using distilled water, refill all of the cells up to about 1 inch from the top. Do not use tap water, as it contains minerals that can ruin the inside of your battery through corrosion. Once all of the cells are filled, replace the caps.
Cycle the battery through multiple charges. On a conventional charger, it may take a number of cycles to fully restore the battery.
According to Consumer Reports magazine, car battery brand is not necessarily an indicator of whether a battery is harmful to particular vehicles. Motorists are advised to check their owner's manual for the recommended size battery and refer to ratings for one suiting their needs and budget -regardless of brand.Full Answer >
Things such as interior lights that do not turn off, radio station presets, the clock, engine computers and body-control modules all drain a car's battery even when the car is off. Other items like proximity keys, aftermarket stereos and amps and alarm systems can also draw excess voltage that drains the car's battery.Full Answer >
Car battery chargers connect to car batteries with positive and negative cables and clamps, which are usually red and black and marked with a plus and minus sign. The positive clamps connect to the positive posts on the batteries themselves, and the negative clamps connect to vehicle frames or some other unpainted surface away from the battery.Full Answer >
When replacing your car's battery, obtain the size of battery that your owner's manual indicates is compatible with the car. If you no longer have the owner's manual, use an in-store or online fit guide to make sure that you buy the right size for your make and model.Full Answer >