Solar Power Bank Case

This is a base that can be assembled into an inexpensive solar power bank. The required components are as follows:

1. Solar panels purchased for 1 yuan each from Lao Wang Electronics;

2. Circuit board purchased from Lao Wu Electronics;

3. A 3.7v lithium battery (self-provided);

4. A light can be added later.

With this base, a solar power bank can be assembled, ensuring you never run out of power. The design is seamless and requires no screws.