Quote:
Originally Posted by kirk1
A digital DC voltmeter would probably be the best to let you know when your approaching 80%. I use an led meter that is pretty accurate. My batteries are 50.4V after charging and I prefer to not go below 40V.
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These numbers seem a bit out of whack, maybe a typo? I am surprised a cart will even move at 40V. Per Trojan discharging a 48V pack voltage to less than 46.63 (20% SOC) will do serious harm to the pack. I do everything I can to never discharge my packs to less than 48.4 (50%).
Couple of links folks should read and understand:
Trojan Battery Company - Discharging guidelines
See chart at bottom of this link....
Trojan Battery Company - Testing and SOC