Panasonic BK-3MCCA8BA AA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries, 8-Battery Pack

Strong Performance with Good Reliability (Slightly Less Balanced Than Larger Batch) I recently tested this 8-pack of Panasonic Eneloop AA (standard capacity) batteries using an ISDT N8-Series smart charger in analysis mode at 0.7A with a 0.90V cutoff. All cells were tested under identical conditions. Performance Results * Average capacity: 2245 mAh (well above the 2000 mAh rating) * Internal resistance: ~170 mΩ average * Temperature during testing: Stable (28–31°C) * Cells tested: 8 Every battery exceeded the rated capacity, which is exactly what you expect from genuine Eneloops. 📊 Consistency & Observations Most cells clustered tightly in the 2160–2250 mAh range, showing solid consistency. One standout cell reached 2477 mAh, which is excellent for a standard capacity Eneloop. Internal resistance was very consistent across the board, indicating good overall cell health and reliability. Batch Comparison Note For reference, I previously tested a separate 16-pack of Eneloop AA batteries manufactured a couple months later (10/2025 vs this pack’s 07/2025). While both batches performed well above spec, the newer batch showed slightly tighter consistency across all cells. ✅ Pros * All cells exceed rated capacity * Reliable and consistent internal resistance * No weak or failing batteries * Expected Eneloop quality ⚠️ Cons * Slightly wider capacity spread compared to another batch tested * One high outlier makes the pack a bit less evenly matched Final Verdict This is still a strong-performing, reliable set of Eneloop batteries that delivers above-spec capacity and solid overall consistency. While not quite as tightly matched as a newer batch I tested, there are no weak cells here, and performance is excellent for everyday and high-drain devices. Recommended for anyone looking for dependable, long-lasting rechargeable AAs. These Japanese-made Panasonic Eneloops, as they have been for almost 3 decades, are still the best NiMH rechargeable batteries you can buy. In my opinion they are absolutely worth the cost verses cheaper Chinese made options.

I've been using Eneloop batteries since 2011. I charge them with a Maha Powerex MH-C9000 charger that will soft charge individual batteries. This ensures that no battery is over charged. Because of the quality of the Eneloop batteries and the care I use in charging I still have 4 or 5 batteries from my original batch. That is batteries surviving after 15 years! Eneloop batteries hold their charge and they don't leak in your device like primary batteries. Eneloop is the only brand of Ni-MH battery that I use.

The Eneloop Panasonic BK-3MCCA8BA AA Rechargeable Batteries are by far the best rechargeable batteries I’ve ever used. Right out of the package, they come pre-charged and ready to use, which is super convenient. Their low self-discharge rate means they hold power for a long time when not in use—perfect for devices that sit idle for weeks or months. With up to 2100 recharge cycles, these batteries provide incredible long-term value, making them a cost-effective and eco-friendly alternative to disposable batteries. I use them in a variety of devices, from remotes and flashlights to cameras and gaming controllers, and they consistently deliver reliable, steady power. Another great feature is their ability to perform well in different temperatures, which makes them perfect for both indoor and outdoor use. I’ve noticed that they maintain their charge exceptionally well even after extended use, and they don’t suffer from the memory effect that some other rechargeable batteries have. Overall, the Eneloop AA batteries are a top-tier choice for anyone looking for high-quality, long-lasting, and eco-friendly rechargeable batteries. Highly recommended!

The best rechargeable batteries IMO, I've been using the Panasonic Eneloops for years in my remote controls, radio scanners, etc... They last for years, when I don't lose them LOL

I buy these batteries for flashlights, my mouse and other small electronics. They last about as long as a standard Duracell or Energizer alkaline. They cost a lot less because they are reusable - and that goes a long way for my bluetooth mouse, small flashlights and other electronics I'm always using. I enjoy having rechargeable batteries, instead of constantly buying whatever is on sale when I go shopping. Panasonic has always been a reliable battery for me. I prefer the more expensive Eneloop PRO batteries - they are a dark grey/black color and are visually different. I prefer them because they last longer and perform better in photography flashes, wireless microphones and stuff that uses a little extra juice. So, there you have it. They're great batteries. I'm sure there are generic brands that work just as well, however, I've used Eneloops professionally and they have been very reliable under perpetual use. These batteries (rated at 2100) are perfectly fine and are a great value - but if you're using them professionally, but the next step up from Panasonic and a charger that will charge 8+ at a time.

Its been years and these have held up so well. Use them almost daily in xbox remote and outstanding quality.

This Eneloop Panasonic brand works very well. Have been using them for many years. Have tried other lower cost brands but they had many issues holding charge after 6-12 month's. These are a bit more costly, but they have held good charges 3-5 years before we've had to replace them. With living off grid we use a lot of battery items and recharge 10-20 betteries every month. Do recommend.

Not a bad battery will buy more as I need them.

Muito bom

Very good

المنتج المرسل أقل كثيرا في المواصفات عدد مرات الشحن ٥٠٠ بدلا من ٢١٠٠!!! المنتج سعره ٦٥٠ و المرسل لا يتعدى ال١٨٠ جنيها

Las uso para mis controles de xbox one, que usualmente utilizo con el headset conectado que con baterías anteriores había notado que se descargaban muy rápido. Con estás no he medido el tiempo porque más bien he perdido la cuenta de su duración, pero seguro es más de 15 horas de juego continuo. Único punto no tan bueno es que tardan unas 5 horas en cargar un par de las baterías y según entiendo el doble de tiempo por las 4 al mismo tiempo, por lo que estoy considerando comprar otras 4 baterías para tener de repuesto cuando se agoten unas y no tener que esperar tanto.

While re-charging with the Panasonic Quick Charger, I found these Panasonic batteries are the best available on the market. The price is reasonable and for the long use, it costs almost zero.