B2x Pack - 010-10517-01 Replacement Battery for Garmin GPSmap 276, 276c, 296, 376, 376c, 378, 396, 478, 495, 496 Navigators - UpStart Battery brand with Lifetime Warranty ReviewbP PP 2x Pack - 010-10517-01 Replacement Battery for Garmin GPSmap 276, 276c, 296, 376, 376c, 378, 396, 478, 495, 496 Navigators - UpStart Battery brand with Lifetime Warranty PPremium Quality, Lifetime WarrantyPCE Approved and Safety AssuredPOutput Volts: 8.