Zerodis Solar Charge ControllerPortable Safety Solar Panel Protective Function Battery Regulator Charging for 12v 24V 30A Household Power Generation System

Specifications: Condition: 100% Brand New Material: ABS Color: Black Rated Voltage: 12V / 24V (automatic switch) Maximum Load Current: 30A Input Voltage Range: 12~20V / 24~40V Length?1m Charging Loop Drop: <250mV Length?1m Discharge Circuit Drop: <50mV Fully Charge Cut-off: 1.37~14.4V / 27.4~28.8V (data under no load condition) Low Voltage Cut-off: 10.5~11V / 21~22V Temperature Compensation: -3 mV / ? / battery  No Load Loss: ?10mV (10A / 15A);  ?20mV (20A / 30A) Efficiency: 95%~97% Maximum Wire Area: 2.5mm² (10A / 15A); 4mm² (20A); 6 mm² (30 A) Ambient Temperature: -25?~55? Size(L x W x H): approx. 13.2 x 7 x 3cm / 5.20 x 2.76 x 1.18inch Weight: approx. 135g Package Included: 1 x Solar Charge Controller Wiring Instruction: 1. Storage battery "+", "-": the 3rd, 4th terminal(from the left) load indicator light flashes once and will light up after 15 seconds, which shows correct  connection, otherwise it will cause damage to controller. 2. Solar panel  "+", "-": the 1st, 2nd terminal(from the left) 3. Load "+", "-": the 5th, 6th terminal(from the left)