Motorola PMNN4409 – Li-Ion 2250mAh 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 are provided when used with IMPRES chargers.