Overnight Nimh Family Battery Charger by Energizer Batteries
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Digital camera reviews of Overnight Nimh Family Battery Charger
Digital camera Review: Great Product
Summary: 5 Stars
I have used this charger with the Energizer 9-Volt Rechargeable Battery and i am very pleased with it, yes it takes some time to recharge the battery but 9-Volt batteries take longer to recharge than other batteries and the charge light comes off when the process is complete, so all in all a great product.Digital camera Review: Great flexibility but long charge times
Summary: 4 Stars
I mainly purchased this to charge the 9-volt batteries available. None of the info online indicated what the charging times were, and it turns out it takes 10-13 hours to charge these little batteries! The other types do charge faster, but still require at least several hours.
If you don't need 9-volt batteries it is definitely worth getting the quick chargers - I have a 15-minute version for AA & AAA batteries that works wonderfully. I would buy this charger for C, D, and 9-Volt recharge capability, just know they will take a long time.
Digital camera Review: Kids stuff for D-cells!
Summary: 1 Stars
If you are buying this charger for D-cell applications, especially: The original reason for a large D sized battery was for high demand applications needing higher capacity. 2500 mAh (AA-cell) capacities encased into a D-cell rechargeable negates the original reason for a D-cell in the first place. Do yourselves a big favor and pass on any "dumb" type charger, which is low current, and a timer only based charger. Also pass on the 2500 mAh D sized batteries that go along with them. They are nothing but AA equivalents inside a plastic shell. Look for a fast charger, which is "smart" with delta-V cutoff (charge based cutoff), and use 10,000 mAh D sized batteries to go with it. It will cost you a little more, especially the batteries, but it is well worth it! To charge a high capacity 10,000 mAh battery you need more charger that can deliver more current so that it does not take days to charge, and/or stop charging based on time for a low cap battery. Incidentally, regular alkaline D-cells are about 12,000 mAh, so if you think the 2,500 mAh cheapo (low capacity) batteries are going to give similar results in your device to alkalines, forget it. However, the high cap (10,000 mAh or greater) D-cells will give you similar if not better run times. Finally, this charger and other "dumb" type chargers WILL NOT charge odd numbers of batteries. You are forced to charge only in pairs. So if you have a device that does not use an even number of cells, you may have to keep an extra charged cell to use with a discharged one to charge that single cell, which will result in a constant overcharging of the "dummy" cell. Either that, or you have to have enough cells on hand to rotate them around. Real pain. This odd number problem will cause the same rotation dilema for AAA, AA, C, and Ds. Note: (Rayovac's P-93 will not fully charge 10,000 mAh D-cells).Digital camera Review: Must Have
Summary: 5 Stars
If you have children this item is a MUST. My daughter is now almost a year old and 80% of her toys have batteries. This one was perfect because it charged "D" batteries for her swing and bouncer seat when she was an infant but it also charges all the "AA", "AAA" and even "9V" that are required for almost every gift she receives.
It also handles batteries for my Husbands toys, which include remote controlled vehicles, handheld games and cameras.
Digital camera Review: Thought it was a godsend, rewarded with hassle...
Summary: 3 Stars
Ok, I've had this charger for about a year; I picked it up at Wally World for $20 and had little alternatives at the time... One main reason I got it was due to it supporting a vast array of batteries, which no doubt everyone will find useful...
The pack I bought said nothing about "overnight charging", evidently they updated it due to users whining... The charge times are long, so of coarse you can take a nap, or three, while waiting for your batteries to charge...
As others have stated, you must unplug the device when inserting new batteries... Evidently the thought of an on/off switch evaded the R&D team over at Energizer...
There are a few changes I'd make:
1. Green Done light vs "off" red light.
2. This plastic door seems to be a waste of space, not to mention a heat desperation problem; you should at least drill several holes in it to allow for some (small) amount of cooling... Maybe even add in a tiny fan?
3. On/Off Switch or some sort of intelligent indicator which senses a battery is dead and needs charged... If one neglects to do the "unplug" procedure and goes away for the 16.5 hours required to charge a "high capacity" AA battery, you've wasted a complete day (and then some) waiting to charge two batteries lol...
It's a wonderful unit for those who don't mind waiting (and want all the bells and whistles), however, I would definitely recommend a quick charger for those who don't have a ton of spare rechargeables (unliek me, I have a good 10 spares floating around the house)