 | |  | | | Rayovac (PS3) Universal Smart Battery Charger "Original" | | | | | | | |
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| | Features | Rayovac PS3 Smart Universal charger recharges up to 8 AA, 8 AAA, 4 C, 4 D, or 1 9-voltPerfect for use in high battery usage householdsCapable of recharging batteries over 1000 timesNiMH, NiCad Battery Charger. (Batteries Not Included!)Charge 1 - 8 Batteries - (Batteries Not Included!)
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| | Description | Rayovac (PS3) Universal Smart Battery Charger is a universal charger that will charge any size NiMH battery. RAYOVAC® Rechargeable Nickel Metal Hydride (NiMH) batteries are a perfect power solution for demanding high-drain devices like digital cameras. They last up to 4 times longer than alkaline batteries in digital cameras and can be recharged up to 1000 times! Recharges all 3 rechargeable battery types! Rechargeable Alkaline, Nickel Cadmium, and Nickel Metal Hydride. Sizes AA, AAA, C and D. Rayovac's exclusive MicroChip Technology charges each battery individually for Maximum Performance! Batteries charge overnight. Red LED indicates charging, once charged the Red LED goes out. No memory problem. Can be recharged anytime. Non-toxic to dispose. Best choice for high-tech devices.
Batteries Not Included! | |
| | Product Details | | Product Weight: | 3.0 pounds | | Package Length: | 12.4 inches | | Package Width: | 3.9 inches | | Package Height: | 2.5 inches | | Package Weight: | 2.15 pounds | | Average Customer Rating: |  based on 6 reviews |
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| | Customer Reviews | Average Customer Review: ( 6 customer reviews )
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Most Helpful Customer Reviews
13 of 13 found the following review helpful:
Rayovac PS3 Battery Charger Aug 05, 2010
By Kevin D. Jones
The first I'd like to comment on is this charger ability to charge several sizes of batteries and the great number of those batteries it can charge.It can charge 1 nine volt, 4D, 4C, 8AAA, and 8AA batteries. It does this without battery memory problems and it safely does it to get the optimum use from your battery even if it is on its last leg or end of its life. This charger is way smaller than other chargers that handle batteries of the same number and sizes. You can also charge single batteries if you need to or in pairs. Most chargers you can only charge in pairs. You can't lose with this buy, I didn't.
7 of 8 found the following review helpful:
Bulky, heavy, but surprisingly smart and versatile Dec 06, 2010
By NLee the Engineer
This is the ORIGINAL Rayovac (PS3) Universal Smart Battery Charger which I first reviewed more than two years ago. Unfortunately, Rayovac has discontinued this excellent charger around end of 2009, and replaced it with an inferior Rayovac PS3D Universal Battery Charger (just remember 'D' stands for Dumb). So now the original Rayovac Universal Charger is getting difficult to find - which explains the increase in price.
[Original Review follows]
I already have at least half a dozen smart chargers in the house, including top-of-the-line models such as the La Crosse BC-900 and Maha C9000, but I still wanted this Rayovac Universal Battery Charger (PS3) for the following reasons:
1. It can accept C, D, and 9V batteries in additional to the standard AA and AAA cells.
2. It can handle rechargeable alkaline cells in addition to the standard NiMH or NiCd cells.
3. It has the potential to recharge up to 8 AA or AAA cells at once.
So far, I'm very satisfied with this charger. Of course it is bulky and heavy. But that's to be expected for an unit that can accept four D-cells at the same time. For home use the size and weight is not an issue at all.
I'm happy to report that this charger is a lot smarter than I previously imagined. Unlike a typical dumb charger in this price range (for example: the Energizer CHFCV Overnight Family Charger), the PS3 has four independent charging channels. That means I am free to charge different cell in any channel. Each channel comes with a status indicator LED, which goes out once the cell is fully charged. But most of all, this charger is smart enough to recognize the difference between NiMH cells and alkaline cell, and can pick the correct charging method accordingly.
When an unknown cell is inserted into the PS3, the charger first starts off with a trickle current (800mA peak current at 10% duty cycle, or an average current of 80mA). Based on the voltage profile of this cell, the PS3 can determine whether this is an alkaline cell, or a NiMH cell. After two minutes, the duty cycle is increased to 60%, so the average current is now around 480mA. For a NiMH cell, charging will continue until a negative dV/dt is detected, in which case it switches back to trickle current again. But for an alkaline cell, charging current will gradually decrease with higher terminal voltage until it reached 1.65V.
The Rayovac PS3 is designed to recharge the Rayovac 'Renewal' brand of rechargeable alkaline cells (which are now discontinued). The user manual warned against charging ordinary disposable alkaline cells, but I experimented with it anyway. Initially I observed good results in reviving a lot of spent alkaline AA and D cells. But my happiness was short-lived, because after a few weeks, some of those cells started leaking electrolyte. I was lucky that the leaks were discovered early, and they only caused minor damages to some cheaper appliances. My conclusion is that: it is not worth the risk to recharge disposable alkaline cells. You have been warned!
Back to the charger itself, I do have a complaint about its claim of "recharge up to 8 AA or AAA batteries". It turns out that each of the four charging channels can accept one to two AA or AAA cells, but the two cells are electrically connected in parallel. So in case somebody accidentally placed two cells of different battery chemistries (NiCd, NiMH, or alkaline) in the same channel, the one with lower voltage will discharge the other one. The charger may also get confused and fail to terminate correctly in such case. It is safer and faster to charge only one AA or AAA cells in each channel.
4 of 4 found the following review helpful:
Best battery charger ever Dec 03, 2010
By R. Adams
"Rob"
It's a shame that RayOVac has discontinued this great charger. Get it while you can, if you still can. I've used a lot of different chargers, but this one does everything, and does it well.
I already have one that's worked perfectly for months. I use it every day for NiMH batteries. It also works fine with NiCads. I bought this one while I still could, so I have a spare. Heck, at this price, I might even buy one more. Yes it's THAT good!
2 of 3 found the following review helpful:
 Works as described. Dec 13, 2010
By z_bookworm
I just charged up 4 Tenergy D cells w/ this. It took about 12 hours, but worked properly. The charger has an unpleasant odor from the plastic, works rather slowly, is a bit hard to open, and the markings indicating how to place the batteries are hard to read, so I deducted a star. I like that when the batteries are charged, the red lights indicating charging just go out instead of being replaced by lit green lights like some other chargers. I feel this way saves electricity.
The charger seems sturdy enough and is the least expensive of its type that I could find, so I am satisfied.
Fantastic Jan 30, 2012
By T. G.
Bought this charger last year after lots of research and it works great. Can charge multiple different types of batteries and it is easy to use. I have not had any problems with the charger getting hot like I have heard people complain about for cheaper chargers. Strongly recommend buying this charger.
See all 6 customer reviews on Amazon.com
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