Solar power suppliy -- uninterruptible power supply 
 Functionalities：7 × 24 working mode，providing DC power to appliance typically like a surveillance camera. It contains solar panel(s), Lithium battery, and controller etc. It is suitable to be mounted on the wall, flat or a pole or other places. In most situation the system should be customised to match power consumption, local weather and other factors. Taking an low-power consumption surveillance camera as an example： 
specification： 
 DC 12V for the camera，nominated current 1A，maximum current 3A
 Solar Panel 60W, 12V series, open circuit voltage 21V
 50AH Lithium iron phosphate battery, waterproof
 Mounting bracket
​ Secure power supply in rainy weather lasting for maximum 3 continues days 

4G SIM Card can be inserted into the HD IP Camera. So solar power supply + 4G sim card HD IP Camera can used in farm, remote gate, building site....