Holder / Spacer cells 26650

Holder / Spacer for 26650 cells.
Battery pack made to supply an Ham radio like IC-705 or any portable radio.
Inspiration from OH8STN: https://www.youtube.com/watch?v=YgKE8C_V1Y0

You can add a MPPT to connect your pack to a solar panel.

2 designs: 4S1P and 4S2P

BOM:

• 2 holder per pack
• cells 26650 LiFePo4 to reach ~13V nominal (see datasheet of your cells)
• Nickel strip (use a spot welder)
• BMS LiFePo4 4S
• MPPT 4S1P: Genesun GV-5-MOD (I removed the connect to more compact)
• MPPT 4S2P: Genesun GV-10 Lithium 14.2 V
• Wire, connectors, heat shrink, ...