Wed 7 Jan 2009
The pack was down -5.2kwh. It charged to +6.3kwh. The truck took on 11.5kwh as of this morning. So it recharged with more than 100% overcharge. The pack voltage on the way to work this morning was significantly higher. It stayed in the 315-320v range while driving. This is about 15 volts higher than before the discharge maintenance. I won’t recharge at work to see how well the pack voltage holds up on the way home. At some point I’ll have to do a load test to see how many kwh’s the pack is good for now. It is possible that the deep cycling of the pack may need to happen once or twice more.
All of this work is important as it keeps the pack’s soc higher since the total pack capacity is kept higher. The cold weather brings the capacity down as well.
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