Customer Review

22 of 25 people found the following review helpful
4.0 out of 5 stars Important Charging Note, January 2, 2007
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This review is from: Sony NH-AA-B4EN Cycle Energy High Capacity AA Size 4-pc Blister Pack (2500mAh) (Electronics)
It's best to charge your high-capacity (2500 mAh) NiMH batteries in an appropriate charger of the same manufacturer.

When I attempted to charge Sony batteries in my Monster charger, the batteries got very hot, never stopped charging, and killed the charger. I tried 2500 mAh Sony batteries in my cordless Logitech mouse, and when the mouse was placed in its charger, the batteries - and the mouse - began to get hot. Fortunately I removed the batteries before any damage was done to the mouse or its charger.

The Sony batteries are fine when charged in a Sony charger. Perhaps someone else will know whether the problem is mixing brands, or mixing capacities. Just be careful which batteries you put in what. -LR
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Showing 1-1 of 1 posts in this discussion
Initial post: Dec 23, 2008 12:18:13 PM PST
Bob says:
You do have to be careful as to which charger you use. It's not necessarily a brand specific thing but you shouldn't put NiMH batteries in a NiCad charger and vise versa. This is mostly a problem when using "dumb" chargers that can't tell the difference. Most "smart" chargers can tell the difference between the batteries and will charge both types to the correct level. Also "quick" chargers will generally heat up your batteries which is not good for their life span.
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L. Rizzo
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Location: USA

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