E-Bike 48Volt 13Amp Samsung Lithium Ion Battery. There are multiple versions of the battery that slides into place right behind the seat post. This is the shorter version that measures 13.25 inches from the base to the locking peg, see pictures.Please check all dimensions carefully. The last image shows the bottom of the battery and 2 contact points. This battery fits our adult step-through fat tire trike. The item "E-Bike 48Volt 13Amp Samsung Lithium Ion Battery-Short" is in sale since Wednesday, April 29, 2020. This item is in the category "Consumer Electronics\Multipurpose Batteries & Power\Rechargeable Batteries". The seller is "llectricmotion" and is located in Union Pier, Michigan. This item can be shipped to United States.