Rapid and easy starting is possible only if your vehicle's battery has a routine preventive maintenance program. For any battery maintenance, make sure you are properly equipped to work around the battery safely. Take caution when handling the battery for example by turning off engine and all accessories and disconnecting the negative terminal cable. The hydrogen gas generated by the battery is explosive as well as flammable hence no sparking or lighting near it, ensure that it charges in a properly ventilated area. In addition to that also be wary of sulfuric acid which is poisonous and corrosive in the electrolyte by wearing protective safety glasses while keeping this away from eyes, skin and clothes. Check its external condition for any damage or loose connections, clean any corrosion on it using a brush made specifically for batteries and an aqueous solution of warm water mixed with baking soda thereafter. Ensure that the battery tray is in good condition and hold-down clamp bolts are tight enough not to move out of place so easily. Use a zinc based primer and paint if there are any corroded metallic parts . It is recommended that you remove a charging battery from your vehicle to prevent paint damage due to escaping gases. The best way to recharge a discharged battery or simply keep it charged up is through slow charging with one or two ampere charger units which have been specially designed for this purpose alone Avoid using high amperage chargers or rapid boost charges as they can stress the battery causing further untold harm towards it. When charging, all cell caps (if any) should be removed, holes covered with a clean piece of cloth, then charger cables clamped onto posts of the cells being loaded. During charging check regularly whether the cell getting too hot ,and if they have removable caps , test with hydrometer specific gravity . Some batteries having sealed tops contain built-in hydrometers/voltmeters that show their level of charge. A fully charged battery would read 12.6 volts or above.