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Old Jan 11, 2006, 5:05 PM   #1
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Join Date: Jan 2006
Posts: 6

In reading about chargers I noted that it is commonly stated that charging NiMH cells at 0.1 to 0.3C is not recommended.

However, the Sony BCG-34HRMDthat I recently purchased indicates that it charges 3 or 4 AA cells at 525mAh, which, for the included 2300mAh cells, would be right around 0.2C. (If you only charge 1 or 2 cells it uses 1050mAh which gets it out of the 'danger' zone -at least until they come up with 3000mAh batteries.)

Does anyone know how this charger works and what is going on with these relatively low charge rates? Has charging technology moved on or is this charger more intelligent than others?

(It also runs at 1.2V and gives a charge time for 4x2300 cells of 270 minutes which suggests a charging efficiency very close to 100% - can that be right?)

All comments gratefully received.
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