I've been using a Minn-Kota 3 bank marine charger for the last 8years (same batteries) on my 36 volt Electrak. With temperature compensation. No complaints.
FYI, don't cut the wires to a new length cause you'll cut the temperature RTD line. 😳
Sent from my iPad
> On Dec 17, 2016, at 12:34 PM, Ken Olum <kdo cosmos phy tufts edu> wrote:
>
> I'm getting ready to replace the batteries in my 48V Electric Ox.
> Currently I'm using UB121350 12V 135Ah AGM. I started with a BattEQ
> equalizer, which was great until it failed. Then I used Rudman
> regulators, which have not proven satisfactory. I'm thinking to just
> get 4 chargers and charge the batteries individually, rather than having
> a BMS and a single charger. Anyone have recommendations for
> high-quality 12V plug-and-forget chargers for AGM batteries? Isolation
> is essential. Temperature compensation would be nice.
>
> Alternatively, someone could try to sell me on using lithium instead,
> though the usual electric car advantage of light weight is no advantage
> here.
>
> Thanks.
>
> Ken
>
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