Your speed and behavior is pretty typical, an NEV is meant to maintain 21-24mph on flat ground, that means up hill you aren't going to move very fast.
Quote:
Originally Posted by cbaker
1 12.14 1.92
6 11.60 1.82
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If they are warped it means a couple things
1. Likely they were overcharged a LOT
2. Somebody has probably already tried to doctor them up
Also when a battery is resting above 12.6 volts its usually fully charged but yours should rest around 13.2v when new.
Anyway I would not leave either of those batteries discharged to those levels very long, they die awefull fast when they are in very poor condition like that.
11% normal capacity isn't good.
Anyway I would focus on battery 1 and battery 6.
I recommend moving them
A) In a cold climate to the center battery box or
B) In a warm climate to the front battery box.
Get them charged up as soon as possible with 12v battery charger(s) at 10 amp rate, then discharge slowly and recharge
The car can be used to discharge them but remember its AWEFULL hard on the things and can make things worse.
Also I find it odd that 6 became real bad, how long and at what rate did you charge? (it didn't require any charge)
Is your charger a smart style (digital/electronic) 12v battery charger?
Take care not to overcharge, these are big so usually if you charge the typical 6 hours or less it shouldn't hurt anything on a dumb charger, under charge, full is around 14.4 volts depending on rate and style of charger.
Cheers
Ryan