| | Item | MT4015 |
| Battery Parameters | Max Charging Current | 40A |
| System Voltage | 24V/48V automatical recognization |
| Battery Type | Gel, AGM, Liquid, Lithium(default: Gel) |
| Max volt on Bat. Terminal | 65V |
| Gel, AGM, Liquid | MPPT Charging Voltage | before boost or equalization charging stage |
| Boost Voltage | 28.0~29.6V/56.0~59.2V @25ºC(default:29.0/58.0V) |
| Equalization Voltage | 28.0~30.0V/56.0~60.0V @25ºC(default:29.6/59.2V) |
| Float Voltage | 26.0~29.0V /52.0~58.0V@25ºC(default:27.4/54.8V) |
| Low voltage disconnect | 21.6~23.6V/43.2~47.2V,SOC1~5(default: 22.4/44.8V) |
| Low voltage reconnect | 22.8~25.6V/45.6~51.2V(default: 24.0/48.0V) |
| Overcharge Protect | 31.3/62.3V |
| Temp. Compensation | -4.17mV/K per cell (Boost, Equalization), -3.33mV/K per cell (Float) |
| Lithium | Charging target voltage | 20.0~64.0V (Lithium, default: 29.4V) |
| Charging recovery voltage | 18.2~63.8V (Lithium, default: 28.7V) |
| Low voltage disconnect | 18.0~60.0V (Lithium, default: 21.0V) |
| Low voltage reconnect | 18.6~62.0V (Lithium, default: 22.4V) |
| Panel Parameters | Max volt on PV terminal *1 | 150V@-20ºC;138V@25ºC |
| Max input power | 1000/2000W |
| Day/Night threshold | 6.0~40.0V(default: 16.0/32.0V) |
| Day/Night delay time | 0~30min(default: 0min) |
| MPPT tracking range *2 | (Battery Voltage + 2.0V)~Voc*0.9 |
| Load Parameters | Output Current | 30A |
| Load mode | Always on, Street lamp, User-defind Mode |
| System Parameters | Max tracking efficiency | >99.9% |
| Max charge conversion | 98.7% |
| Dimensions | 189*255*89mm |
| Weight | 2.5Kg |
| Self consumption | ≤8mA |
| Communication | RS485(RJ11 interface) |
| Optional | IoT, Cyber-BT(Internal / External) |
| Grounding | Common Negative |
| Power terminals | 6AWG(16mm2) |
| Ambient temperature | -20~+55ºC |
| Storage temperature | -25~+80ºC |
| Ambient humidity | 0~100%RH |
| Protection degree | IP32 |
| Max Altitude | 4000m |