Features:
1. Function: digital display with power, detachable, welding-free, with anti-reverse connection protection, can charge 21 18650 flat-head batteries, when the built-in battery can be used as a power bank, the normal version requires a charging cable, wireless fast charging The version does not require a charging cable and can be charged quickly.
2. Hand-made DIY mobile power kit, self-configured mobile power, larger battery capacity and more durable, can better solve your charging problem.
3. Suitable for people with greater charging needs, equipped with 3 charging interface types, for Micro, for Apple,for Type-C can charge the charging box.
4. With power display, let you know the remaining power anytime and anywhere, and better charge your mobile phone or other devices.
5. Comes with a lanyard, which is more convenient to carry, allowing you to take it wherever you go.

Specification:
Size:170*84*62mm
Normal Version Maximum Power: 5V-2.1A
Wireless Charge Version Maximum Power: 5V-2.1A, Wireless Charging :5W
Quick Charge Version Maximum Power: 5V-3A 9V-2A 12V-1.5A
Quick Charge + Wireless Charge Version Maximum Power: 5V-3A 9V-2A 12V-1.5A 3.4V-5.5V-5A, Wireless Charging :10w

Precautions:
1. The battery cannot be used if its outer skin is damaged.
2. Pointed batteries cannot be used, only flat batteries can be used.
3.the voltage is in line with 3.2V-4.2V
4. The positive and negative poles need to be placed and used correctly.
5. Do not use or store in a high temperature environment

Package included:
1x 18650 Power Bank Case(Batteries not included)