Quick Details
Maximum cells 18650：84
Maximum cells 21700：not match 
Max capacity：36V28Ah / 48V21Ah / 52V21Ah
Charging port：DC2.1 Opt. 3Pin high current 
Discharge port：4Pin
LED indicator：4 LED lights
USB port：without
Power switch：with 
Controller box*：with
L·W·H (mm)：368x90x141
Optional parts： base block PLA0288 switch hole cover PLA0187 spring lock SDP0017 
*Can fit 9 mosfets controller PCB