![]() As you can see from the graph below, the results were consistently around 700mAh – bar the final cycle, which topped out at 800mAh. To measure longevity, I charged and discharged the batteries 50 times, taking a capacity reading every 10 cycles. Most batteries that I test score higher than the rating printed on the side of the battery itself. Here, I found that the initial capacity was 732mAh, which is just below the rated capacity. Next, I measured capacity using a high-drain test (600mA +/-20% with a cut-off voltage of 0.94V). ![]() First, I started by measuring voltage, which should be a minimum of 1.2V the result of 1.24V is just within. To see how well these batteries performed, I ran them through a set of standard tests using an Ansmann Energy XC3000 battery tester. Plus, if you use them in low-drain devices such as remote controls, you won’t lose a lot of power each day. That’s useful, as you can charge and store them, on standby for when you want to use them. Even so, that isn’t great – even the Amazon Basics Rechargeable AAA 800mAh last for 1000 recharges.Īs is the case with most other modern rechargeable batteries, the Duracell Rechargeable AAA 750mAh will retain up to 80% of their charge after 12 months. Our Duracell Optimum battery with Power Boost ingredients makes this screwdriver spin faster. Our Duracell Optimum battery with Power Boost ingredients takes up to 350 more pictures. Head to the official site, and it says that the batteries will last for three years or 400 recharges. previous Coppertop AA/AAA, Duracell Optimum delivers more life in some devices and more power in others, in a wide range of devices. All of the official imagery shows that these batteries can last for 100 charges, which sounds poor. ![]() Longevity is important for rechargeable batteries, but the Duracell Rechargeable AAA 750mAh offer a relatively low number of charge cycles. Image Credit (Trusted Reviews) Design and Charges The Duracell Rechargeable AAA 750mAh aren’t quite as good: mid-level capacity and a relatively low number of charge cycles mean that the competition performs better. Just about the biggest name in batteries, Duracell has impressed with its Rechargeable AA batteries.
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