48V, 14Ah Lithium Ion Battery with Falco Battery Management System and Panasonic Cells. This is a downtube battery pack. The pack merely weighs 7.7 lbs. The battery holder can be easily installed on most bicycles, and the battery can be taken out for charging. Over-current Protection Cell Balancing, Temperature Protection, Overcharge and Over-discharge Secondary Protection, Over-current, and Temperature Protection are some of the standard available protections in the pack. This includes a holder, charger, and keys.