| Model | SJY-10012 | SJY-20012 | SJY-30012 |
| Solar panel | Type | Mono or poly A grade |
| Power | 10W | 20W | 30W |
| Size(mm) | 96*132*186 | 128*156*186 | 163*227*227 |
| Solar charging controller | Control way | High efficiency PWM |
| Charging current | 5A/12V |
| Protection | Protection of the over charge,over discharge,short circuit,over load |
| Voltage of over charge protection | 14.3V |
| Voltage of promoting charging | 14.0V |
| Float charging voltage | 13.8V |
| Over discharge protection | 10.5V |
| Digital tube display | / | Display the current voltage of battery |
| LED display | Indication of charging,load and battery capacity |
| Battery | Battery type | Deep cycle lead-acid battery with free maintenance |
| Battery capacity | 12V/7AH | 12V/12AH | 12V/24AH |
| DC output | Max output power | 60W(12V,5A) |
| DC12V | 2pcs outlet | 4pcs outlet |
| DC5VUSB | 1pc USB output(MAX.2A) | 2pcs USB output(MAX.3A) |
| Accessories | LED light DC 12V | One set of 3W and 5W(2pcs lamp holder,with switch and the cable of 3M and 5M) | 2sets of 3W and 5W(4pcs lamp holder,with switch and cable of 3M and 5M) |
| USB charger | 1pc multifunctional charger |
| Solar panel bracket | One set(2pcs) |
| Cable | 5M |
| AC charger | You can choose AC charger;when the charging mode is city power |