18650 Li-ion cells (protected, name brand)
MeshtasticMeshCore
Best for: solar, tracking
Specs
| Type | Power |
|---|---|
| Maker | Various |
| Typical price | Price varies (maker's store, Oct 2026) |
Generic category entry.
Pros and cons
Pros
- Used by T-Beam and many DIY solar nodes
- Swappable
Cons
- Buy from reputable sellers; counterfeit cells are common
- Li-ion degrades fast above about 45-60 °C: keep out of direct AZ sun
Where to buy
Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you. How this works.
We don't show live prices. Prices change often; check the store before you buy and make sure you pick the 915 MHz version for the US.
Sources
Checked on October 18, 2026.