48 Volt 12 Amp Hour Electric Bike Down Tube Mounted Lithium Battery And Charger 48 Volt 12 Amp Hour Lithium Battery with Samsung Cells and BMS Protection and 2 Amp Charger Mounts To Water Bottle Bosses USB Port for Charging Phone or GPS Lock and 2 Keys for Safety Bike in Photo is not included and is for mounting exaple only