I am building a small 120Ah 12v battery, from those very common blue Chinese aluminium cased cells. ?
During initial charging/top balancing to 3.65v I noticed cells swelling. They are 3-4mm thicker from middle compared from edge.
iam guessing this is normal.
I placed about 2 mm thick wooden...
Basically i have a setup where timer disconnects negative line (relay) between battery and inverter. Inverter is 2500w pure sine wave and load that gets disconnected is ~1200w.
After relay disconnects there is a high pitched whine coming from the inverter. Does inverter or some components in it...
Hi, i am asking for your thoughts and ideas about a battery build that i am planning to do.
I am planning to build 120ah 12v battery pack to power a inverter and 1000w car engine coolant heater/waterpump in the winter. (And trolling motor during summer)
My motto is cheap is beautiful :)
I...