Motorola HNN4003BR IMPRES Li-Ion high capacity battery for HT Series, PR860 and MTX Series portable two-way radios.
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.
The following Motorola charger's are recommended WPLN4182A, WPLN4187A, WPLN4192 and NNTN7618