Best eneloop batteries9/13/2023 Battery Capacity – Battery capacity is an indicator of how long devices will hold power until the next recharge.The highest volume alkaline packs by name brands typically carry 100 batteries for a 14 cent per unit cost, so you can do the math on value. This yields a lower recharge to cost ratio and results in years and years of use without having to replace them. Recharge Count – At a minimum, batteries should hold a charge on a minimum of 500 charge cycles, with 2000+ on the higher end.Look for batteries that offer low self-discharge and can at least maintain 75% of capacity after 3 years of non-use. Storage Life -When not in use, rechargeable batteries can self-leak and lose discharge.Rechargeable AA Battery Buying Guide The Most Important Features to Consider Length of warranty was also a secondary factor, with a recommended time frame of 5-plus years. Recommended cycle times also rate between 500 and 2,000 cycles, which offers cost per charge as little as several cents for outstanding value, especially when charging no more than twice a month. Common ranges go from 800 mAh to almost 3,000 mAh, with most topping out in the 2,300mAh range. Batteries with low battery capacity (<800mAh) also did not make our list to avoid having to recharge them every 2 hours. Our ideal recharge times is 2-3 hours for 2000+mAh rechargeable AA batteries, which we felt was an acceptable wait time for high drain devices such as digital cameras with rapid-fire usage in short periods. When choosing a rechargeable battery, we take recharge time, storage life, battery capacity, applicability to low/high drain devices, and operating temperatures into consideration. Rechargeable AA batteries are also great to use with the best portable phone charger.Īlthough LP does not come close to Although LP does not match POWEROWL AA Rechargeable Batteries’ 70% of charge after 10 years or Energizer’s 10-year warranty, it offers enough power and reliability to keep your low drain devices charged for years How We Decided To become a top pick, our scoring criteria places a premium on 500+ charge cycles, 2,000mAh+ capacity, the number of times it can be recharged, and how long they will hold a charge after periods of non-use. ![]() After purchasing over 30 rechargeable AA batteries, we narrowed our top choices to 7. The best rechargeable AAs are integral to keeping your devices powered up and running at a fraction of the cost of traditional alkaline batteries over a long period of time.
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