TZT 5V Dual USB 8*18650 Power Bank Battery Box Mobile Phone Charger DIY Shell Case For Smart Phone Electronic Mobile Charging

Specifications:

Mold: LCD 8 Free solder
Color: Black
High-end circuit control system:

Press and hold the button for 5 seconds when the charge is converted into display 2A fast charge (support 2A)

Dual USB output 5V1A, 5V2A sufficient current output voltage enough not to hurt the phone, crossed over discharge protection, stoped design, safety reliable.
Free solder nesting mobile power: can be installed 1-8 stars 18650 lithium battery, connect the circuit to work properly, the product itself without batteries.

Note, please do not use a flashlight dedicated tip 18650
Tips: Follow the positive and negative battery installed, the battery negative pole spring, battery cathode connected to metal shrapnel; double-tap switch controls the LED bright flashlight.
Nesting = housing + motherboard (solderless)
Shell Size 170 * 80 * 22MM, battery slot size 145 * 66 * 18MM,
2A charge and discharge, it is recommended to use adequate charger 2A or 1A double charging input.

Capacity: 30000mA