Our 12V100Ah batteries can only be connected in series or parallel. We do not recommend string batteries in series and parallel at the same time, as it may cause circuit problems.

1) Is your Bluetooth connection to other apps or is there any other battery app installed in your phone? because the data saved on the phone in the two apps are in conflict, the original data cache...

After I charged the battery and connected via Bluetooth app the real-time screen doesn't show the value levels anymore. Is there anything that I'm doing wrong or should do differently? 

The data of the two batteries are independent.Each battery has a Bluetooth number, when you use it, you connect which battery's Bluetooth, the APP will show this battery's data.(Each battery has a ...

I would like to build a 24v battery bank using 4 of your 12V 100Ahr batteries. Can I hook up 2 batteries in series and then two groups of the series in parallel to make a 24V 200Ahr bank?

Do your lithium batteries have low temperature protection?  Self heating capability? 

I purchased and have received two 12v 100ah batteries from Aolithium. My question is when using your Bluetooth APP which battery will be sending data to the app?