What you need to build your 12V DIY battery.
Also check out my project videos:
- FINALLY! Affordable 12v LiFePO4 Battery without long China shipping times
- 12V LiFePO4 Headway battery project (Step-By-Step)
- $100/Kwh LiFePO4 12v Hack
- OrientPower 100Ah LiFePo4 Cell Quick View
- K2 Energy LiFePO4 26650 Cells for 12V Lithium Battery replacement
- What's better for 12v Lithium, 3s vs 4s?