Unlock maximum range and aggressive current stability. The AMPX 48V 20Ah Triangle Battery Pack is a high-density power core custom-engineered to mount directly within your bike's center frame triangle. Housing premium Panasonic 21700 Class A cells and governed by a heavy-duty 40A continuous smart BMS protective plate, this 960Wh powerhouse effortlessly juices high-demand mid-drive and direct-drive rear hub motor setups from 100W up to 1600W without cutting out under load.