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Old 11-07-2010, 07:49 PM   #30 (permalink)
hunter44102
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Ok, if the HCHII battery is 158V nominal, and the full 8 bars state of charge is listed as 167 volts, how high should I charge the pack?

I found a BIO-RAD Power Pac 200 (200V adjustable DC supply) and set it to 185 volts and connected it to the battery. The voltage on the BIO Rad display started at 166 volts and kept going up slowly as it charged.

I stopped it at 179 volts.

I disconnected the charger and measured the battery. It was at 179volts so the charger is working.

Should I keep going higher to balance the pack? The graph on the HCHII panasonic battery pack curve shows 172 volts at the highest level.
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