Motorola PMNN4403B is 2150 mAh Li-Ion slim submersible (IP67) battery. This battery is the slimmest and lightest weight battery for the APX series of portable two-way radios.
IMPRES charger NNTN7080, NNTN7065, NNTN7073, NNTN7586, NNTN7593, NNTN7624 or RLN6434 required. IMPRES batteries when used with an IMPRES charger provide automatic, adaptive reconditioning, end-of-life display, and other advanced features.
