84V 2A Lithium Battery Charger -  for 72V 20S Li-ion/LiPo batteries;  UK, EU plug

It has: constant voltage , constant current, over voltage, over current protection function ; indicator light conversion green/red; automatic recovery.

Charging voltage: 84V

         green light -  when fully charged or not connected.

         red light - charging

Charging current: 2 Amps

Connectors:  default is DC 5.5 x 2.1 mm  ; other options are available

Other specifications:

Charger power rating: 220 Watts

Charging profile: CC-CV (constant current – constant voltage)

Input: 110-240V AC 50/60 Hz

Cooling fan: Yes, installed

AC wall connector: 3-prong UK plug or 2 Pin EU plug

Dimensions: 15.5cm x 7.5cm x 5.5cm /  6.1in x 3in x 2.1in

Weight: 400g

Output current, 2A constant current charging, the indicator light is red

Conversion current, 300mA, after full conversion, the indicator light is green
Efficiency, >80% (maximum output voltage, full load)
Input voltage range, 220~ 240VAC; 47 ~ 63Hz; 
Input current, 0.03A/230V
Overload protection, 105%~150%, Type: FOLDBACK current limit output Reset: automatic recovery
Temperature coefficient, ±0.03% °C (0 ~ 50 °C) OUTPUT
Working temperature, humidity, -10 ° C ~ +50 ° C, 20% ~ 90% RH
Storage temperature, temperature, -10 ° C ~ +60 ° C, 20% ~ 90% RH