This is the battery used on the Swift system. It features a lockable mount, a rainproof enclosure, and 50x LG M26 (2600mah of true capacity) lithium cells.
DC 2.1 charging port.
36V, 13 Amp-Hours; 450+ watt hours; 6.5 lb battery!
Be sure to add the 36V Swift charger if you also need a charger!