WTB: Klarus CH1X or Thrunite C2 (1x18650 power bank)

Looking for 1 x 18650 power banks (or 21700, but those aren’t really common), ideally:

- Klarus CH1X

- Thrunite C2 - if it’s the newer version with the low current issue fixed

- Nitecore NPB1

  • Nitecore MPB21