The batteries can be replaced with 18650's
LCD displays: Current Voltage ,Capacity ,Time
Smart power manage IC, overcharge protection, short circuit protection;
Charge and use at the same time
Outdoor can use 6V 5W solar panel to charge the power bank.
Specifications:
Capacity: 6200mAh (Optional)
Battery Type: Lithium-ion 18650 3.7V
Input: DC 5V / 1-2.1A ,6V 5W(Solar panel )
Output: DC 5V / 1A/2.1A (adjustable)
Input USB-micro B type
Operating temperature :0℃~+40℃
Charging time USB-micro B type 2000mA input Approx.:3-4 hours
Self energy leakage loss under idle mode Approx.:2mah / Day
Color: black /white