Cheap power pack with free lithium cells (USB or solar charging)
30:00
Using salvaged lithium cells to power LEDs directly. (with protection test)
27:33
Excellently awful eBay trash (with schematic)
23:36
Shorting out a fully charged cheap lithium jump starter. (It didn't end well.)
11:47
My Power Bank Rivals Commercial Ones?! Super Fast! (DIY or Buy)
6:11
Solar Charger with Tp4056 | Charging 3.7V Li-po Battery with Solar Panel (Simple inventions)
25:00
LED fairy lights get disposable vape batteries & Type-C charging
13:45
🔥Cette technique m'a été enseignée par un GÉNIE arabe, et maintenant je vais la montrer au MONDE en
21:37