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T-106 voltage sag

1037 Views 4 Replies 3 Participants Last post by  GE11
Ok guys,

I have my motor now connected to my VW transaxle on my dune buggy. So yesterday I took 6 T-105 batteries and tried the drive the buggy to the end of the street using. 48/36V NPX 300A controller. Here is what I found I am getting the 36V pack to sag down the 21V. And the buggy will barley go up the street. Is this 21V too much sag??
I’m thinking these batteries are no good. I paid 100.00 for all 6 of them.

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