This is an Australian product which allows you to use your phone to keep an eye on the batteries of your camper trailer or caravan.
It consists of a small physical device, which attaches to your batteries, plus its companion app, which runs on an iPhone or iPad. The device can be bought from this website and the companion app is available as a free download from the Apple store.
With this device, you will be able to:
- Check the battery voltage from your phone, without having to go outside
- See how your batteries have been performing over the last few hours, days or week
- Read the current temperature
- Discover how cold it got last night
- Find out whether your solar panel is catching any sunlight