It is available in all shapes and sizes. ➨It does not require any maintenance. ➨It is best in terms of reliability and working capabilities. ➨It withstands slow, fast and overcharging. ➨It is capable to withstand long term inactivity with or without solvent. ➨It offers best value for power and energy per KWH. ➨It offers longest life cycle. ➨About 97% of lead can be recycled and reused in new batteries. ➨It is inexpensive and simple to manufacture; low cost per watt-hour ➨It offers low self discharge, which is lowest among rechargeable batteries. ➨It offers good performance at low and high temperature.