| Item | MAX1024-U | MAX2024-U |
| Max Charging Current | 10A | 20A |
| System Voltage | 12/24V automatic recognition |
| Max volt on Bat. terminal | 35V |
| Battery Type | Gel, AGM, Liquid, Lithium(default: Gel) |
| Gel, AGM, Liquid | Fast Charging Voltage | <14.5/29.0V@25ºC |
| Boost Voltage | 14.0~14.8V/28.0~29.6V @25ºC(default:14.5/29.0V) |
| Equalization Voltage | 14.3~15.0V/28.6~30.2V @25ºC(default:14.8/29.6V)(Liquid, AGM) |
| Float Voltage | 13.2~14.0V/26.4~28.0V @25ºC(default:13.7/27.4V) |
| Low Volt. Disconnect | 10.8~11.8V/21.6~23.6V(default:11.2/22.4V) |
| Overcharge Protect | 15.8/31.3V |
| Temp. Compensation | -4.17mV/K per cell (Boost, Equalization),-3.33mV/K per cell (Float) |
| Lithium | Charging target voltage | 10.1~32.0V(Lithium, default: 14.4V) |
| Low voltage disconnect | 9.0~30.0V(Lithium, default: 10.6V) |
| Max volt on PV terminal | 25V/50V/75V/100V |
| Dusk/Dawn detect volt. | 3~10V/6~20.0V(default: 8.0/16.0V) |
|
| Output Current | 10A | | | | | | | | | | | | | | 20A |
| USB interface | 5V/2A |
| Load mode | Always on(Default) , D2D, Light control mode, Time control mode, User-defind Mode |
| Dimensions | 142*80*30mm |
| Weight | 190g |
| Grounding | Common Positive |
| Power terminals | 8AWG(10mm²) |
| Ambient temperature | -20~+50ºC |
| Storage temperature | -25~+80ºC |
| Protection degree | IP32 |
| Max Altitude | 4000m |