Description:

This is a power bank kit (including circuit board and shell), not a finished product; not including the battery.
You need to buy 4 pieces 18650 battery and easy installation with no welding.
Standalone CPU security system to protect your device from overload, overcharging, overheating, and short circuiting while charging.
Suitable for sports, travel and other outdoor activities, easy to charge your phone anytime, anywhere.
Made of sturdy and wearable plastic material, and surface anti-skid treatment.

Specification:

Material: Plastic
Size: Approx. 9*7.5*2.2 cm/3.54*2.95*0.87 inch
Output: DC 5V-1.5A
Input: DC 5V-1.5A

Package Includes:

1 Piece Power Bank Case DIY Kit