Grin Tech CG522Li-XV Charger
52V (58.8V full charge) 2.0A Sealed Plastic Lithium Charger from XVE, c-UL-us Certified.
Charger has PC wall plug for 115V and a 3 pin XLR connector for charging (Pin1 = V+, Pin 2 = Gnd, and Pin 3 = Not connected)
Output Voltage (V) 58.8
Charger Current (A) 2.0
Pack Discharge with AC Unplugged (mA) 14
Charger Dimensions: 170 x 72 x 34mm