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12v charger efficiency

2171 Views 2 Replies 2 Participants Last post by  Greenflight
Hey guys, new here. I'm getting ready to get started on my second EV and I'm thinking about ways to keep the cost down. Anyway, having spent $850 on a used BC-20 and boost transformer for my last car, I got to thinking about using a whole bunch of those $25 cheapo 12v chargers, like 10 or 12 depending on pack voltage, one for each two batteries.

Anyway, I was wondering if this setup would be tremendously less efficient than a hi-voltage charger, and if there are any other significant problems.

Anbody else out there tried this?

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