Aluminum profile matched with plastic upper and lower case, black
Matched with blank aluminum alloy down tube
Mechanical Structure: Down-taken Style、Spring Lock
Maximum cells：40 cells-21700
Discharge port：6Pin
Discharge maximum current：20A
Charging port：DC2.1 Opt.3Pin high current
Charging maximum current：2~5A
Power Switch：Without
USB：Without
LED indicator：single LED with three colours