Thread: 18650 Thermal Batteries

If you can use non-protected batteries in your devices, I've bought from this seller before when building up battery packs, good to deal with and honest about products (2nd hand). I've always gotten at least 90%,typically 100% of rated capacity from cells I've bought from him.

https://www.trademe.co.nz/a/marketpl...ing/5129563756

Also if you are in Chch Ecotech Services sells used Li ion 18650 cells in good nick, a couple of bucks each. I've bought many from them for various uses, some I add a protection circuit if needed, its not difficult.