Checking charging rates Most important part is please get your batteries charging rate checked at your batterys charging rate checked at your nearby service station regularly & never forget both over and under charging reduce battery life. Never avoid early warning signs. Battery are known for storing electric charge that results from reaction between chemicals present in them these chemicals reacts only when the car is in motion. Always clean your car battery be sure to watch your battery on a low. on the weekends & if you have free time clean your battery from cotton, cloth. Always use branded company battery because these are very powerfull & secure.