The NNTN8129 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 that is designed to maximize talk time and optimize battery cycle life — all automatically. Automated maintenance and a six-month extended capacity warranty apply when used with IMPRES chargers.
| Chemistry | Lithium-Ion (Li-Ion), 2,350 mAh |
| Weight (lbs) | 0.3625 lbs |
| Dimensions (inches) | 2 (W) x 4.42 (H) x 1 (D) |
| IMPRES | Yes |
| IP Rating | IP67 |
| Intrinsically Safe (UL Rating) | Yes, Rated to FM standard |
| Warranty | 1 Year Motorola Warranty |
