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diy solar

diy solar

12v parallel branch currents

Mikethebike067

New Member
Joined
Dec 3, 2024
Messages
4
Location
North carolina
Hi all
I have 4 new wattcycle lifepo4 100ah in parallel. 2 awg solid copper inverter connected diagional.
On the branches I am getting 72,49,22 amps with 96 amps through my 3k 12v inverter.
I dont think this ok. Wattcycle says it is.
I only bought the little 100ah cause I cant lift much, they fit the space and wete on sale and liked by Will.
Question is will adding busbars and mrb terminal fuses and yet more cables and terminals make a big difference in the branch currents?
I looked for voltage drops but .01 should not affect the current that much.
Old golf car guy here. Lol
Thanks
 
Are you measuring current at the interconnects?

If so:

96 - 72 = 24A through battery 4
72 - 49 = 23A through battery 3
49 - 22 = 27A through battery 2
22 = 22A through battery 1

Looks okay to me.

Are all the connections actually TORQUED to the proper specification?

Are the battery interconnects all the same length?

Have you charged the system to 14.4V and held it there for at least a couple hours?
 

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