[Oeva-list] over discharged lithium pack
frodus17 at gmail.com
Fri May 6 14:04:43 PDT 2011
How low is too low?
Get a single cell charger and start charging them up, one by one.
On Fri, May 6, 2011 at 11:15 AM, Ron Jayasuriya <evmail4ron at yahoo.com>wrote:
> I have a customer who accidentally left his car on and ran his 400V Kokum
> battery pack too low, and his charger won't try to charge them now.
> AC Propulsion kit, probably proprietary charger, do not have any specs.
> Car has BMS and balancing, so we will probably be ok once we get them
> charged up somehow.
> I was thinking that if there were a Rudman PFC 20 out there somewhere I
> might be able to use it to give the pack little boost using the adjustable
> voltage/current feature of that charger. Not sure for certain, but I think
> I should be able to monitor the batteries for voltage AND heat during the
> Does this sound reasonable? Dangerous in any way? I don't think so, but
> it's worth asking.
> Anyone with some experience with over-discharged lithium batteries, or a
> PFC-20 they'd let me use, feel free to chime in.
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> Oeva-list at oeva.org
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