Description: Note: This list is just the DIY kits and not include batteries, you need to assemble and install it by yourself with your extra welding tools.
Features: Input: MicroUSB 5.0V ± 0.5V/1A Output voltage: USB 5.0V ± 0.5V Output Current: 1A/2A Capacity: can be installed three 18650, up to 7800mAh, as to the 18650 battery please choose the one without protection due to there is protection system inner for the charger box itself. Dimensions: 75 x 75 x 22 (mm) Automatic wake-up function: USB1 (USB2) will power the load automatically while it is charging; when you disconnect the load, the LED lights will go off about 15 seconds later and go to sleep. Charging states: LED shows the current charge level while charging Discharge status: while it charge the load via USB1 (USB2) , LED shows the battery capacity Battery indicator: Short press the "Power switch" and the LED will display the battery capacity 10. Overcharge protection: the battery voltage is 4.3V ± 0.1V, battery protection, stop charging the battery. Over-discharge protection: battery voltage is below 3V ± 0.1V, battery protection, closed for discharge.
Note: Please connect the battery in parallel, in accordance with the circuit board labeled (B + ) connected to battery "+" and (B -) connected to battery "-". If you Reverse polarity wrongly, the board will get burned and we will not Responsible for erroneous operation!
Package Includes: 1 x Aluminum Dual USB 5V 1A 2A Power Bank 18650 Battery Charger Box