Dekcell Battery for Garmin GPSMAP 276C, 296, 376C, 378, 396, 478, 496 GPS Replacement Battery for Garmin GPSMAP 276C, 296, 376C, 378, 396, 478, 496 GPS 100% compatible with original battery and charger devices No memory effect, the battery can be recharged without loss of capacity Battery Type: Li-Ion. Volts/AmpH: 7.4V 2200mAh (High Capacity) Brand new, 1 year warranty!