Duracell Rechargeables StayCharged AAA Batteries, 4-Count
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Category: Health Care
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Duracell Rechargeables StayCharged AAA Batteries, 4-Count Details
Manufacturer: DuracellBrand: Duracell
Release Date: 2007-10-24
Model: AAA-RCHG-STAYx4
Product features:
- 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 AAA pre-charged rechargeable batteries
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Customer Reviews of Duracell Rechargeables StayCharged AAA Batteries, 4-Count
Customer Review: 4 or 5 stars, depending where they are made
Summary: 5 Stars
First, the disclaimer: There is no political motivation in this review. It is purely based on the findings of my measurement and facts. I hope no one should be offended.
I purchased three packs of these batteries. I found that one pack says "Made in Japan" and the other two "Made in China" in the back of package. Otherwise, the packaging is almost identical. There is, however, a very clear distinction on the battery itself. The Japanese made batteries have a white top while the Chinese made have a black top as shown in one of the photos I uploaded.
I was curious to see if there is a performance difference between the same line of batteries from different manufacturing plants. I have a La Crosse BC-700. So I put all three set into test mode, straight out of the package without any prior use. After 24 hours of measurements, the results are shown in the photos I uploaded.
The 8 batteries made in the Chinese factory averaged 790 mah. That is within 1.25% of the stated capacity. However, I found the variation among the samples is somewhat large, from 774 to 825.
The 4 batteries made in the Japanese factory averaged 834 mah. But more impressively, all samples were within the 832-838 range. This is an important characteristic because when you use multiple batteries in a device, the total capacity available is limited by the lowest one in the group.
I conclude that no matter where where these batteries are made, they at least meet expectation. With that said, I would prefer the "white top" batteries that are made in the Japanese factory. They are extremely consistent and offer higher capacity.
Description of Duracell Rechargeables StayCharged AAA Batteries, 4-Count
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. 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 
*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
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