OEM Motorola NNTN6034  IMPRES, high capacity 4150 mAh, Li-Ion battery.

Compatible with XTS 5000, XTS 3500, and XTS 3000 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.