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 !#!amp!*!plusmn; 0.5V\/1AOutput voltage: USB 5.0V !#!amp!*!plusmn; 0.5VOutput Current: 1A\/2ACapacity: can be installed three 18650， up to 7800mAh， as to the 18650 batteryplease 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 whileit is charging; when you disconnect the load， the LED lights will go off about 15seconds later and go to sleep.Charging states: LED shows the current charge level while chargingDischarge status: while it charge the load via USB1 (USB2) ， LED shows the battery capacityBattery indicator: Short press the !#!amp!*!quot;Power switch!#!amp!*!quot; and the LED will display the battery capacity 10. Overcharge protection: the battery voltage is 4.3V !#!amp!*!plusmn; 0.1V， batteryprotection， stop charging the battery.Over-discharge protection: battery voltage is below 3V !#!amp!*!plusmn; 0.1V， battery protection，closed for discharge. Note:Please connect the battery in parallel， in accordance with the circuit boardlabeled (B + ) connected to battery !#!amp!*!quot;+!#!amp!*!quot; and (B -) connected to battery !#!amp!*!quot;-!#!amp!*!quot;.If you Reverse polarity wrongly， the board will get burned and we will notResponsible for erroneous operation!
Package Includes:1 x Aluminum Dual USB 5V 1A 2A Power Bank 18650 Battery Charger Box