Quick Details
Maximum cells 18650：52
Maximum cells 21700：not match
Max capacity：36V17.5Ah / 48V14Ah 
Charging port：DC2.1  Opt. 3Pin high current
Discharge port：2Pin  Opt. 6Pin
LED indicator：single LED with three colours
USB port：without
Power switch：without
Frame tube：with matched down tube
Optional tube：single cavity tube double cavity tube thickened double cavity tube
L·W·H (mm)：430x64x94