New here and not sure if this post is in jest or what shouting is for.
But if it helps a lithium battery is no different to any other. It just charges from an alternator or solar controller although most solar controllers have a specific lithium mode that should be set
You can use it ‘fit...
Both my lithium batteries came from Renogy and the Bluetooth was integrated as standard in the battery. Just had to download the Renogy app.
Also have a solar controller that has Bluetooth but that was an add on unit. Bit unnecessary as the battery Bluetooth give more than enough...
I have had a lithium battery as a leisure battery for a couple of years now
Stuck a temp sticker on the unit as the specs suggest that battery should be kept below 60 deg C. Max I have ever seen in the Vw engine bay was 45deg on battery case on a very hot day in France where ambient was...