Replacement battery for GPS devices. Compatible replacement battery, not an original battery from the manufacturer! Refer to the device and battery numbers listed to select the right battery for your device! Replacement battery suitable for: Garmin: Nuvi 2757, Nüvi 2757, Nuvi 2757LM, Nüvi 2757LM, Nuvi 2797, Nüvi 2797, Nuvi 2797LMT, Nüvi 2797LMT Identical to the following batteries: Garmin: 361-00066-00 Please note: Opening your device voids the warranty. Installing this battery is especially complex and follows at your own risk. We do not assume any liability for damage and failure with devices and/or batteries.