Kamati brings you superior quality Inva-speed & Sun-speed Lead Acid Batteries that can be widely used in residential and commercial applications, in a safe manner. Advantages More resistant to corrosion. Fast and Overcharging. It does not require any maintenance. Longest life cycle. About 97% of lead can be recycled and reused in new batteries. 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.