Lithium batteries are even better at maintaining a consistent voltage, and they are now available at AA sizes. However, they come with a steep price premium and require their own chargers, while the running times with high-voltage devices isn&#;t usually up there with the best AAs. The biggest manufacturers &#; Panasonic, Duracell, EverReady, Varta &#; don&#;t seem to be in any rush to put Lithium products out there, so it means taking a punt on a smaller brand. From our initial tests, they&#;re quick to charge and very effective in some devices, but you might still want to wait for the technology to mature.
Link to Godson Tech
In most cases, yes, but where high-performance alkalines generally run at 1.5V (to start with), rechargeables are often designed to run at 1.2V, which can cause problems with a few devices that require a constant high voltage from four or six batteries to operate. However, many rechargeables can run at a higher voltage than their nominal voltage, and then hold on to that voltage for a longer time, even under a high drain. In other words, the best rechargeables actually work better. We didn&#;t run into any actual problems during our testing related to this issue, but you should keep it in mind on a case-by-case basis.
This number, which stands for milliampere-hour, covers the NiMH battery&#;s capacity and its ability to run a given load over a longer period of time. The higher the number on the battery, the bigger the capacity and the longer it will maintain an ample working charge while powering a specific gadget. We recommend you choose batteries with a capacity of 2,000mAh or more, so you don&#;t run out of charge when you&#;re half way through doing something, and you don&#;t need to recharge quite so often. The capacity is usually listed on the box as well as on the battery itself, and you will also see it listed if you&#;re buying batteries from an online store.
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Obviously, you&#;re going to need a charger, and if yours is ancient you might want to replace it with one of our best battery charger recommendations. If speed isn&#;t important there are some great basic options, including some that will charge from a standard USB port. Otherwise, you might want to look at high-speed chargers from Panasonic, Energizer or Duracell, which can charge a set of AA batteries in around sixty to ninety minutes. You can usually save some money by buying a charger and four batteries in a bundle, but check the capacity of those batteries before you buy; some manufacturers will throw in cheaper, low-capacity AAs. In our testing, newer chargers did the job faster, while producing less waste heat. So it really is worth using a modern charger designed for the specific battery technology you&#;re using.
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They seem to be Eneloops, made in same factory just rebranded. I will buy a set and use them in my flashguns to replace the Eneloop whites I have in one gun and compare against the Eneloop blacks I have in the other. As long as the recycle times are consistent then far as I am concerned they are Eneloops. The other upshot of Eneloop is that they are marketed to retain at least 75% of their charge over something like 18 months of sitting there not being used. I have found this to be accurate as I go several months without using the flashguns sometimes and can whip them out and do a whole shoot evening without draining them.
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