This particular product here, is DP product know as portable solar power system also known as DP kit. It has lamp, DC bulbs and solar panel and its parameters as listed below please do well to use a specified charger to charge it. Please don't use high voltage charger or adaptor for it.TECHNICAL PARAMETERS
Battery: 18650 12000mAh 3.7V
USB output: 5V=1A×2
DC output: 3V×4
Light power: 1W LED
Charge rate power: 6W
Power factor:0.6
Solar panel power: 5V 5W
Power adaptor input: 100-240V~50/60Hz 0.045A
Power adaptor output: 5V=1A
Charging time: 6-12Hours (power adaptor 5v=1A)
Using time: 100Hours(Led light)
Material: ABS+ELECTRONIC components