![]() ![]() From the graph below, you can see how stable the results were, with the batteries barely fluctuating for levels of power. Next, I cycled the batteries 50 times (charging and discharging), taking measurements every 10 cycles. Initially, the batteries returned a capacity of 2101mAh, which is slightly above the rated capacity of 1900mAh. ![]() Next, I tested capacity through a high-drain test (600mA +/-20%). Here, I measured 1.23V, which is just above that limit. First, I measured voltage, which should start at a minimum of 1.2V. So Eneloop Pro are slick to beautiful and Ladda are plain to ugly. For the price of an octopack of Eneloop Pro, you get 20x Ladda 2450. I tested the Eneloop AA using an Ansmann Energy XC3000 battery tester. For the price of a quad of AA Panasonic Eneloop Pro, you get nearly 12x AA Ladda 2450. Exceptionally stable capacities in my tests.However, their rated capacity of 1900mAh isn’t the best, so you may need to turn to higher-capacity batteries – such as the Duracell Rechargeable AA– for more demanding applications. That makes these units almost as good as alkaline batteries: you can charge them, put them in a cupboard drawer and have them ready to use when you want. Second, the Eneloop AA are designed to hold power, maintaining 70% charge after 10 years. That’s the highest number I’ve seen, even higher than the 1500 cycles of the GP ReCyko Pro AA batteries. For starters, the batteries are designed to last for up to 2100 charging cycles. Longevity is one of the main factors to look for in a set of rechargeable batteries, and the Eneloop AA delivers on that front in spades. For general-purpose alkaline replacements, they’re a brilliant choice. ![]() Sure, they’re a little more expensive than rival units, and they don’t offer the highest capacities but they can handle more than 2000 charge cycles and retain charge for a long time. The Eneloop AA batteries are built to be eco-friendly. ![]()
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