NP99sp Battery Kit for Garmin Drive 50, 50LM, 50LMT with Video Instructions, Tools, and Extended Life Battery from NewPower99 : Electronics - Amazon.com
subtel® GPS Battery Replacement for Garmin Drive 51 50 DriveSmart 51 5 Nüvi 55 52 40 30 361-00056-00 361-00056-50 361-00045-00 1100mAh Capacity SatNav Sat Nav Navi Power Pack + Tool-kit 17pcs: Amazon.co.uk: Electronics & Photo
Amazon.com: NP99sp Battery Kit for Garmin Drive 50, 50LM, 50LMT with Video Instructions, Tools, and Extended Life Battery from NewPower99 : Electronics