How to make a Rechargeable Solar Power Bank At Home

How to make a Rechargeable Solar Power Bank At Home （Materials required）配件表 Power Bank Module Board数显充电宝主板https://goo.gl/DUyhGg 5V Buck board 降压板https://goo.gl/CwXhRb 6V solar panel*2 6V太阳能板*2 https://goo.gl/C698sk plank 木板 116mmX86mm*2 116mmX30mm*2 80mmX30mm*2 18650battery 18650锂电池 *4 https://goo.gl/XxPgN4 Lithium battery protection board锂电池保护板 Touch the switch 轻触开关 Hinge 合页 music1 Jim Yosef - Lights [NCS Release]   • Jim Yosef - Lights | House | NCS - Copyrig...   ▽ Follow Jim Yosef SoundCloud   / jim-yosef   Facebook   / jimyosefmusic   YouTube    / jimboows   music2 ● Music Provided by Tasty ● Song Title: TheFatRat - Unity ● Music Video:    • TheFatRat - Unity   ● Tasty Channel:    / tastynetwork