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wopachop's avatar
wopachop
Explorer
Apr 28, 2019

Whats normal voltage drop from a 4amp load? (210ah)

I have two brand new 6v from costco. I pulled 20amp hours out of them a week ago and then fully charged with an automotive battery tender. Today i put a 3.8a load on them and voltage is down at 12...
time2roll's avatar
time2roll
Nomad
Apr 28, 2019
For a pair of GC2 at 90% that could be normal. GC2 does sag a bit more under load than the 12v combo batteries.

Also a GC2 will take 10 to 25 cycles to reach full capacity. Although don't expect to gain much.

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