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Howdy,
I'm testing a Victron 200Amp 12Volt battery.
Starting voltage was 12.8 volts (all cell voltages within .04).
Connected a 4 amp load.
After 8 hours, battery voltage was 12.52 (all cell voltages within .01).
7 hours later, battery cut off, and Bluetooth page displayed.....
--- Hardware Failure alarm ---
--- Internal Communication Failure ----
An external meter reads 9.25 volts....
Any suggestions on what we do next ???
Thanks DennisB
Hi as you dont say what type of battery, and I am presuming its a Lithium Phosthate or a a victron smart battery, then you should charge the battery to full condition as a resting voltage of 12.8 is not full and test again,
a Full battery of this type is around 13.4 to 13.6, Please read the battery specs for the battery type
