Reention Mammoth replacement or backup battery for the Ride1Up Rift. This is a 48V 20AH battery using LG cells. This is for the battery only and does not include housing, charger, or the extra set of keys. This battery will fit into your existing Rift bike without any changes needed. This will only work with Ride1Up Rift bikes. *Batteries are not eligible for returns* PLEASE NOTE: Replacement Batteries qualify for free shipping, which saves you approximately $50!