Motorola PMNN4424 IMPRES Submersible Battery

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. Automated maintenance and a six-month extended capacity warranty when used with IMPRES chargers.

The PMNN4424 is a high-capacity, 2300 mAh Li-Ion submersible battery.