Technical Details - The battery can be replaced - Cell: 2x Samsung 18650 2600mAh - LCD display Current Voltage Capacity Time - Intelligent power manage IC, overcharge protection, short circuit protection - Charge and discharge at same time - Can use 6V 5W solar panels Specifications: - Capacity: 5200mAh - Battery Type: Lithium-ion - Input: DC 5V / 1-2.1A ,6V 5W(Solar panels) - Output: DC 5V / 1A/2.1A(adjustable) - Input USB-micro B type - Operating temperature 0 approximately 40 - Energy storage battery: Li-ion 2600mAh - Charging time USB-micro B type 2000mA input Approx.:3-4 hours - Self energy leakage loss under idle mode Approx.:2mah / Day - Color: white - Size(mm): L115 x W47 x H27mm - Weight 160g(without battery),298g(with packaging) Product Overview - Charge and discharge at same time - Can use 6V 5W solar panels - The battery can be replaced - LCD display Current Voltage Capacity Time