Average Reviews:
(More customer reviews)The Duracell 15 Minute Battery Charger has 4 channels (or battery slots) for charging 4 AA / AAA batteries.
Charge Time
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- The battery charger works as advertised; it fully charges NiMH rechargeable batteries in about 15 minutes. Charge times can be longer for batteries that are higher in capacity than the ones that come with the charger (2500 mAH). For example, it sometimes takes up to 20 minutes to charge my 2650 mAH AA Duracell batteries.LED Light
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- The LED light can indicate one of three charge status:
1) Off ......... Charge is complete for all channels
2) On ......... Charging is in progress on at least one channel
3) Blinking ... 1 or more batteries are bad
Unlike some battery chargers (such as the Energizer 15 Minute Charger), it doesn' have 4 independent LED lights to indicate charge status for each of the channels. There's, therefore, no way to know WHICH channel has completed its charge and WHICH channel has a bad battery.Bad Battery Woes
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If the Charger detects a bad/damaged battery (indicated by its blinking LED light), it will refuse to charge the battery.
This charger used to frequently reject batteries that I had used only a few times (money down the drain). I had to keep buying new batteries -- and that was very annoying!
At first, I thought maybe this charger was actually ruining my batteries! But I managed to finally catch on to what was happening: my camera was the culprit!
The reason: on many camera's and other high-drain devices, batteries can be over-discharged and can go through a phenomenon known as "polarity reversal." Many devices have a built-in mechanism to detect when batteries reach a "cut-off" voltage (or more properly termed, the end-of-discharge voltage), and shuts down automatically before damage can occur. Many devices, however, do not have such a mechanism.
Now, I'm careful to not over-discharge my rechargeable batteries - I have never had a bad battery in a long time.Conclusion
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The Duracell 15 Minute Battery Charger works flawlessly. My only complaint is that it doesn't have 4 independent LED lights to indicate charge status for each of the channels.
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