Energizer "Recharge Plus" AA Rechargeable NiMH - Good Quality
They are what you'd expect. These look to be a low self-discharge cell, as it states on the package "Holds Power Up to One Year" , and their capacity rating 2300Mah, an intermediate capacity, but still bigger then most cheap-o brands. The low self discharge type batteries typically give up some capacity to provide the low internal leakage. An equitable trade off, in my opinion.
These are fine quality rechargeable batteries, not the cheapest, but arguably among the best. You''ll be well ahead by spending a tad more for these than some no-names, and ending up with a much longer lasting battery, in terms of output, shelf life, and overall life.
Do the same with the charger. A cheap charger will damage or destroy even the best Nickel Metal Hydride battery. Avoid "rapid", or "fast" chargers, the speed will shorten the life of the batteries. If they get warm while charging, you're doing harm. Once or twice is no big deal, but doing it constantly will drastically shorten the batteries life.
An 'Overnight' style charger is best for your batteries.
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