Joule for FOSSiBOT

Joule shows what your FOSSiBOT power station is doing and lets you control it from your Android phone or tablet. It talks to the station directly over Bluetooth: no account, no cloud, no internet.

At a glance
• Battery level, and the time until it's full or empty.
• Watts coming in from the wall, solar or the car, and going out to AC, USB and 12 V.
• Power flow: one picture of where the energy comes from and where it goes.
• Faults the station reports, in plain words.

Control
• Switch the AC, USB and 12 V outputs.
• The light: on, SOS, flashing, off.
• Turn the station off.
• Quick Settings tiles for the station's status, AC, 12 V, USB and the light, and launcher shortcuts.
• joule:// links for Tasker and routines, such as joule://ac/on and joule://status.

History
Battery level and power over the last 7 days, recorded while Joule is open and connected.

Joule Pro
Watching your station and switching its outputs and light are free. Joule Pro, a one-time purchase, unlocks changing the station's settings:
• Battery range: charge only to 80% to spare the battery, and keep a reserve for when you need it.
• Charging: how fast it charges from the wall, where the station lets an app set it, and silent charging.
• Timers: outputs and the station turn themselves off when nothing uses them.
• Solar and car input, button sounds: every setting your station has.
No subscription. Every setting is free to try on the built-in demo station.

Which stations
Joule was built and tested on the FOSSiBOT F1200. Other FOSSiBOT stations, such as the F2400 and F3600 Pro, and the same hardware sold as AFERIY, ABOK and Eco Play, speak the same Bluetooth language: if your station works with the BrightEMS app, Joule should find it. Joule shows the controls each station has. A few newer stations can only be watched for now, not changed.
No station at hand? Tap "Try the demo".

Good to know
• A station talks to one phone at a time. Close the other app first.
• Bluetooth reaches a few metres. Joule can't reach the station over the internet.
• Android 8 and later, phones and tablets, in English and Ukrainian.

Privacy
No account, no ads, no tracking. Joule asks once whether to share anonymous diagnostics about how your station behaves, which is how other models get supported. Say no and nothing is sent.

Joule is an independent app, not made or endorsed by FOSSiBOT. FOSSiBOT, AFERIY, ABOK, Eco Play and BrightEMS are trademarks of their owners.