CellBoss Get told when it’s out

Guides

Lithium battery guides, in plain words

What your LiFePO4 battery’s numbers mean, and what to keep an eye on. Written for South Africans with lithium at home, in the bakkie or on the boat.

See it all on your phone

CellBoss reads your JK, JBD or Daly board: the charge, the time left and every cell.

Coming soon to Google PlayEmail me when it’s out

CellBoss is in testing on Google Play now. Want to try it sooner with your own battery? Email us.