Motorola NTN9858C 2100 mAh NiMH battery provides more talk-time per shift and is less prone to memory effect. IMPRES batteries when used with an IMPRES charger provide automatic, adaptive reconditioning, end-of-life display, and other advanced features. Data is stored in the battery and communicated to the charger via a unique IMPRES communication protocol which is designed to maximize talk-time and optimize battery cycle life - all automatically.
Motorola suggest the following chargers for this battery WPLN4111, WPLN4108, WPLN4130, WPLN4208
