Duracell AA 4 Pre-Charged Rechargeable NiMH Batteries DX1500

List Price : $17.23
Price : $11.37
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Product Description

Size: AA
Amazon.com Product Description
Duracell StayCharged Rechargeable batteries stay charged longer so you can recharge less. These powerful batteries, available in both AA and AAA sizes, are ideally suited for high-drain or frequently used devices. Recharge hundreds of times and save hundreds of dollars. When used in high-drain devices, vs. alkaline

Charge hundreds of times
Get hundreds of uses out of each StayCharged Rechargeable battery. Instead of replacing batteries each time they run out of power, recharge these batteries for long-lasting power.
AA and AAA sizes
StayCharged Rechargeable batteries are available in both AA and AAA sizes, perfect for your devices that rely on powerful batteries.
Hold charge for a year
These powerful batteries last longer, so you can recharge less often. StayCharged Rechargeable batteries can hold their charge for up to a year when not in use–that’s five times longer than ordinary rechargeables.
Power high-drain devices
StayCharged Rechargeables are ideal for high-drain or frequently used devices, including video-game controllers, high-powered flashlights and battery powered toys.
STAYCHARGED RECHARGEABLES
Duracell StayCharged Rechargeable batteries are available in both AA and AAA sizes. Use them over and over again in high-drain devices and devices you use most often. Recharge hundreds of times and save hundreds of dollars by reusing Duracell StayCharged Rechargeables.

AA StayCharged Rechargeable Pack

AAA StayCharged Rechargeable Pack
Pre-charged rechargeables stay charged longer so you can recharge less. These powerful batteries are ideally suited for high-drain or frequently used devices. Available in AA and AAA sizes.

Product Details

• Product Dimensions: 6 x 5 x 4 inches ; 4 ounces
• Shipping Weight: 4 ounces (View shipping rates and policies)
• Shipping: This item can only be shipped to the 48 contiguous states. We regret it cannot be shipped to APO/FPO, Hawaii, Alaska, or Puerto Rico.
• ASIN: B000XSA60I
• Item model number: AA-RCHG-STAYx4
  

Technical Details

• Stays charged for up to 1 year
• Holds charge up to 5x longer
• Can be charged 100s of times
• Stays charged longer than RCR and have to be recharged less often
• Contains 4 AA pre-charged rechargeable batteries

 

Duracell AA 4 Pre-Charged Rechargeable NiMH Batteries DX1500

 

Customer Reviews

[Update Aug 28, 2011]
- The name of this product has been changed to Duracell Rechargeables StayCharged AA Batteries. As far as I can tell, those are the same batteries previously marketed as 'Pre-Charged'. In other parts of the world, those are also marketed as 'Active Charge'. They are stlll available in either 'white top' (made in Japan) and 'black top' (made in China) versions.
- Amazon has combined the AA and AAA versions of those Duracell batteries into the same product page. So now I look like a fool who says the same things twice. Oh well...
[Previous update on Dec 24, 2008]
I was only half-right when I boldly proclaimed that "Duracell Pre Charged AA are rebranded Sanyo eneloop cells" in my original review. It turns out that the first batch of Duracell AA cells I bought from Amazon are made in Japan, and those are identical to eneloop (both mechanically and electrically). But lately I bought some more Duracell AA from a warehouse club. Those are made in China, and they are identical to the Rayovac Hybrid.
[Original review follows]
Judging from similarity of technical specifications and physical shapes of (+) and (-) terminals, I am convinced that the Duracell Pre Charged AA is actually SANYO eneloop AA underneath a different wrapper. Therefore all the good things you heard about eneloop apply to Duracell 'Pre Charged', too.
My own testing has shown that the capacity of eneloop AA cell is slightly above the claimed 2000mAh, and it is able to retain at least 85% of its charge after 5 months in storage. The Rayovac Hybrid AA starts with slightly higher capacity at 2100mAh, but it 'only' retains 80% capacity after 5 months. For all practical applications, both are equally good. Just pick whichever brand (Sanyo, Rayovac, or Duracell) is on-sale, and you can't go wrong.
One small problem with the Duracell 'Pre Charged' cell is that: it looked too similar to the well-known 'Copper Top' alkaline cell. So there is a good chance that people may mistaken it for a disposable cell. Personally, I prefer the distinctive-looking white case of the eneloop cell.

Pros:
-For a rechargeable battery, these batteries does not need to be charged before you use it for the first time; right from the packaging into your gadgets.
-They last a long time.
-Does not need special charger. You can use your existing NiMh charger.
Cons:
-You can confuse them with regular Duracells and mistakenly thrown away after losing charge.
-This later technology is still expensive.
I also like Eneloops by Sanyo. But they are not easily available at your local stores.