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Cyclops
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Join Date:
Aug 2015
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272
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#1
Battery help
30 April, 2016, 18:11
Hi ive got a pro tronik compact nimh charger from zero one and ive gone to put a 8.4v 3700mah battery on charge it's been on charge 15 mins and the charger says it's now charged is this right lol as I charged my 8.4v 1600mah before and that took nearly an hour lol
sj_asc
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Dec 2004
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#2
30 April, 2016, 18:21
Re: Battery help
The old tried and trusted formula is battery capacity (mah) x 1.4 / Charge current = charge time
dsgdreamteam
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Cyclops
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#3
30 April, 2016, 18:32
Re: Battery help
Ok so do I disconnect battery and press charge again lol
- - - Updated - - -
Ok so do I disconnect battery and press charge again lol
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sj_asc
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#4
30 April, 2016, 19:17
Re: Battery help
Well a 7 cell pack should read 10.5v fully charged. The real issue with NIMH packs is the "memory effect" (in voltage depression form), they really need to endure a full ininterupted charge every time to avoid loosing their punch (higher amp delivery, less voltage sag, faster recovery)
NIMH packs must not be fully discharged like NICD, so there's a chance that your pack may have already been nearly fully charged.
Some chargers will have a recovery setting which can help to revive the lost life after a bad charge.
This is one of the many advantages of Lipo packs - you can top them up or remove them from charge at any point in their charge cycle with no ill effects.
Last edited by
sj_asc
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30 April, 2016, 21:10
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Reason:
posted from a phone earlier /
dsgdreamteam
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