Shell Charging Holder Battery Storage Box 21×18650 Batteries Power Bank Case
With LED Lighting
Item: No Welding DIY Detachable Power Bank Case
Size:170*84*62mm
Charge Power: 5V-2.1A
Color: black,white,green,blue,red
Can install 21PCS 18650 flat head batteries (Batteries not include)
Note:
1, The positive and negative poles need to be seen clearly before installation.
2, Some power bank case supply displays "0" after the battery is installed, and needs to be charged to activate the battery
Package Included:
Power Bank Case (Batteries not include)
Note:
1, Don't use pointed batteries. Batteries with damaged appearance are not use.It is not recommended to use the battery with high internal resistance, long storage time and many times of use.
2, Only 18650 flat-head batteries can be used, and the voltage is in line with 3.2V-4.2V. You need to use brand new batteries. Old batteries and damaged batteries will cause failure to work, incorrect connection of positive and negative poles, and the first time you need to use the battery full.
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