| Key Features�� ��CPU Controlled Three step charge ��High Frequency design, small and light �� Universal wide input be in same with 110V and 220V mains. ��Selective output 12VDC or 24VDC ��Selective charge current of 4 step for diverse battery capacity to extending the battery lifetime ��Max Charge Current 40Amp/12VDC, 20A/24VDC while 220V range input ��Max Charge Current 20Amp/12VDC, 10A/24VDC while 110V range input ��Parallel output Connection is workable for bigger Battery Bank. ��Charge Voltage is selectable for different type Battery and extending the battery lifetime ��Reverse Battery Polarity Protection ��Smart fan control ��LED indicator for input, output, temperature and charge state voltage  | ![]()  | 
Technical Specifications ITEM  MODEL CHD2040 Capacity  12VDC  Efficiency >80%  AC Input Normal voltage  90-280VAC  Frequency range 40Hz to 70Hz DC Output  Voltage (V) 12VDC or 24VDC Charge Voltage 13.4-14.4V difference for different charge stage and different type battery. Charge Current Max 12VDC40AMP or 24VDC20AMP while AC Input 180-280V, Max 12VDC20AMP or 24VDC10AMP while AC Input 90-180V,  Manual adjustable at 25% 50% 75% 100% rated current Current Accuracy �� 6% of full rated output current @  Current Limit 40-44Amp Cooling Fan Cooling with Smart fan control Parallel Outputs Maximum two charger units connection in parallel Flooded Lead-Acid, Gel, AGM, manual adjustable Charger Current selector 25%, 50%,75% ,100% ,4 stage  output voltage selector 12VDC or 24VDC manual adjustable Protection Reverse Polarity yes Input Over Voltage normal safety voltage:0-300V, peak 430V Input Under-voltage Shutdown or input current limit out of normal voltage Over Temperature shut off while over  Output over voltage (12V/24VDC) Unit will shut down if Vcharging > Vcharging (target) + 1.0Vdc for more than 2 seconds; unit will restart when voltage <= Vcharging (target) for more than 2 seconds. Unit will shut down if Vcharging > Vcharging (target) + 1.5Vdc for more than 2 seconds; unit will restart when voltage <= Vcharging (target) for more than 2 seconds. output short Circuit. yes  Working Environment Temperature Operating range:  Noise 50dB max Humidity 5��95% without condensation Product Size 224 x 255 x 80(mm) product Weight Carton size 41*345*  Carton weight
 
For battery OVP the unit will restart in the same stage.
For battery OVP the unit will restart in the same stage.