Impress batteries when used with an impress 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 impress communication Protocol which is designed to maximize talk-time and optimize battery cycle life. This 3000 mAh, low Voltage battery provides 25+ hours talk time when used with compatible MOTOTRBO enhanced Series radios. The IP68 rating means it can be fully submerged at two meters for 2 hours.