Maintenance of lead acid battery: 1) Keep the container surface dry by using dry cloths. 2) Tighten the terminal connections. 3) Battery should not be discharged below a minimum voltage. 4) Never keep battery in discharged condition. 5) Check the specific gravity of the electrolyte and maintain it by adding distilled water. 6) Electrolyte level should be maintained above the electrodes. 7) Battery should not be overcharged. 8) Charge battery at specific rate. 9) During initial charging use fresh electrolyte. 10) Avoid overcharging and short circuit of plates.