4. Adımdaki Değişiklikler
Adım Satırları
| [* icon_caution] Before bridge 2 batteries together, ensure voltage difference between them less than 50mV. New batteries will very likely have about 3.9V voltage, and varies very little. | |
| [* black] Bridge one B+ to anotherB+ first. Use soldering iron and solder. | |
| [* black] Then, P- to P-. | |
| - | [* |
| + | [* icon_caution] Leave Both B- open! |