| Model | GSM48 | GSM96 | GSM110 | GSM192 | GSM220 | GSM240 |
| Rated voltage (VDC) | 48 | 96 | 110 | 192 | 220 | 240 |
| Float voltage(VDC)(Adjustable) | 54.0 | 108.0 | 121.5 | 216.0 | 243.0 | 270.0 |
| Bulk voltage(VDC)(Adjustable) | 56.8 | 113.6 | 127.8 | 227.2 | 255.6 | 284.0 |
| Maximum charging current (A) | 60/120 | 50/100/150/200 |
| Charging type | Three-stage: constant current(MPPT), constant voltage, float |
| Max. input power (kWp) | 3.4/6.8 | 5.7/11.4 /17.1/22.8 | 6.4/12.8 /19.2/25.6 | 11.4/22.8 /34.2/45.6 | 12.8/25.6 /38.4/51.2 | 14.2/28.4 /42.6/56.8 |
| Start voltage(VDC) | 80 | 140 | 160 | 270 | 290 | 330 |
| MPPT voltage range | 70-150 | 130-280 | 150-280 | 260-450 | 280-450 | 320-450 |
| Maximum input voltage (V) | 160 | 300 | 480 | 480 |
| Maximum efficiency | >98% |
| MPPT efficiency | >99% |
| Noise (dB) | <55 |
| Degree of protection | IP20 |
| Dispaly | LCD+LED |
| Communication | RS485(Optional) |
| Working temperature | -10ºC~+50ºC~+50ºCrdm;C~+50ºC |
| Relative humidity | 0 to 95% (non-condensing) |
| Altitude (m) | ≤5000m, (1000 meters above derating)ing)ing) |
| Degree of protection | IP20 |
| Dimensions (W × H × D mm)× D mm) D mm)× D mm) | 160*400*280 | 160*400*280/440*440*680 |
| Protection | PV array reverse polarity protection; reverse battery protection; nighttime anti-anti-charge protection; battery overcharge protection, over-discharge protection; output overload protection; Output short circuit protection. |