SUNBEAMsystem

Please, get attention: This version isn't supported anymore, so please, migrate onto our Multi Connect application: https://apps.apple.com/us/app/sunbeamsystem-multi-connect/id1497362864.
However, you could still use this version, if you don't want to get more functionality and supported hardware.
SUNBEAMsystem Smart L I T H I U M is fully Plug & Play which means you can replace your old lead acid with out any hassles or need in extra equipment.
The app gives you full control and overview of your charge status and other important parameters.
App functionality:
Main Screen is configurable and will show The state of Charge, Voltage, Charge and Discharge current, The used capacity in Ah, Projected time until full and empty, finally also the temperature inside the battery.
You can retrieve cycle count as well as the calculated capacity. This is improves the second hand value as well as giving you immediate information regarding any capacity loss due to for example low temperature.
Temperature is configurable (C/F)
The Connection to the battery uses low consumption Bluetooth and after connection the app will try to stay connected to the battery in the background as long as you do not disconnect (by hitting the back button). This means you might move out of contact (leave your vessel) and then return and the app will reconnect automatically. The Bluetooth connection strength is shown in the upper right corner.