OEM Motorola NNTN4436 IMPRES 1700 mAh NiMH Intrinsically Safe (IS) battery.

Compatibile with XTS 5000, XTS 3500 and XTS 3000 portables.  

Intrinsically safe batteries can be used in locations where flammable gas, vapors or combustible dust may be present.

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.