OEM Motorola NNTN7038 Slim, lightweight, durable IMPRES 2900 mAh, Li-Ion Battery. IP67 Rated.   

Compatibile with APX 7000, APX 7000XE, APX 6000, APX 6000XE, SRX 2200 portables.

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.