arduino › power module
panasonic Panasonic NCR18650B Li-Ion Cell
Bare 18650 with NO protection circuit — needs a TP4056 + DW01 protection board, or it will catch fire on overcharge. Picked over LiPo when cycle life and energy density matter (solar / off-grid).
Specifications
- voltage out v
- 3.7nominal_4.2max
- current max ma
- 6800
- chemistry
- li_ion_18650
- protection
- none
Sources
- SparkFun open product catalog · ingest 2026-05-06