Motorola NNTN4437 - IMPRES 1700 mAh NiMH Battery, Intrinsically Safe
Motorola NNTN4437B IMPRES NiMH, 1700 mAh Intrinsically Safe Ruggedized Battery
Note: FM I.S. batteries are no longer available from Motorola.
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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 â all automatically.