These batteries has built-in protections to protect the battery and charger from overheating, overcharging and short-circuit. Compared to NI-CD, the performance of NI-MH battery is more stable, more environmentally friendly, longer life
No memory effect. Can be charged or discharged as needed without loss of capacity. Built-in High quality Cells to provides optimized performance and overload protection using total system communication between tool, battery and charger.