HQRP Li-Ion Battery Replacement for Garmin GPSMAP 276C, 296, 376C, 378, 396, 478, 496 GPS Models HQRP Battery replacement; 2200mAh Voltage: 8.4V High Capacity means more long runtime; No Memory Effect, The battery can be recharged without loss of capacity; 100% compatible with Original Battery and Charger devices. 200 days warranty!