nickel battery balancer and monitor help

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Joined Dec 4, 2012
I want to balance and monitor a large bank of nickel batteries without turning to an equalising charge which produces lots of gassing.

Need help increasing the higher voltage difference, the higher the current draw. Uses Shunt Voltage Reference IC Adjustable TLV431
Would putting more than one of these circuits in parallel be enough?

Need help with this circuit to output the the differentiated voltage as I can't find op amps that go +60V rail to rail.
Was looking at using a transistor circuit but no idea how to change it to output the difference.
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