Features:<UL>
Unique aluminum alloy shell
PWM technology
Wide application range
Intelligent design, automatic identification between 12/24 input DC voltage
Perfect protection: overcharge, over-discharge, reverse polarity protection to maximize the service life of battery
LED display
Three control mode: light control, light and delayed control, general control
One-key system recover function 

Specification:

Model		CD-B(EM)
System Voltage		12/24V(Automatic identification)
Nominal Current		5A/10A/20A
Nominal Load Current		5A/10A/20A
PWM Technology		Yes
Protections		Overdischarge,over-charge,overload, short circuit,Reverse Polarity ,Reverse-Current  Protection
No-load Power Consumption		≤20 mA
Charging Circuit Voltage Drop		≤0.3V
Discharging Circuit Voltage		≤0.15V
Operating Temperature		-20°C to 55°C
Size(mm)		138×100×46
Net Weight (g)		338