How to maintain a battery/ how can we increase battery life? The battery positive and negative terminals should be cleaned using baking soda and water solution. Battery early discharge and reduction in backup problems are often caused by dirty and loose connections so you need to check whether cables are clean and tightened. Fluid level need to check regularly while servicing the battery as provided by myoldbattery.com 3 free battery checkups by professional and trained technicians. Use only mineral free water. Distilled is best as all impurities are removed and there is nothing left that could contaminate your cells. Don't fill excess water in battery cells especially in hot and warmer weather because the natural fluid expansion in warm weather can push excess electrolytes from the battery.battery To prevent corrosion of positive and negative terminals of battery and cables on top post of batteries coat the washer with high temperature grease or petroleum jelly (Vaseline), then place cable on the post and tighten. Coat the exposed cable end with the grease. More ideas and tricks available on myoldbattery.com to increase Car, Inverter, Two Wheeler Battery life, visit us on we will keep posting you.tricks CarInverter, Two Wheeler Battery © copyright 2018 Myoldbattery Online Services