The NNTN7573 is a 2100 mAh NiMH Ruggedized PLUS battery. Ruggedized PLUS batteries meet an even more stringent military standard (MIL-STD-810E, Method 512.3 Immersion) allowing it to be submerged in water for up to 2 hours.
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.
