Amazon has
Amazon Basics 2000mAh AA Rechargeable Batteries on sale at prices listed below when you clip the 10% off coupon on the product page and checkout via Subscribe & Save for an additional 10% off.
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phoinix for finding this deal.
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I've been using Amazon high capacity rechargeables for a couple years. All of them still work. The only issue is that they are a bit tight in some small battery compartments. They must be a little bigger than most other batteries.
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NO! Do not do this with a lithium-ion battery! Fully discharged Li-Ion batteries are an explosion risk, especially if you dump current into them. This trick should only be used on NiMH and NiCd.
If you buy Energizers, I'd suggest getting the 2000mAh version, not the 2300mAh model. In my testing there was less than 200mAh difference between them, because the 2300's underperformed and the 2000's overperformed. Also, the voltage characteristics were far better on the 2000's. They'll probably get far more service/cycle life as well.
Unless you need the little bit of extra capacity and will use it quickly, I suggest getting the lower capacity models. All else being equal, high capacity NiMH will have substantially lower service/cycle life, higher self-discharge, and they also weigh a bit more. The rated number of cycles is basically fantasy. Don't expect to get more than a small fraction, in the real world.
Don't use a dumb trickle charger. Get a smart charger and charge them at a moderate rate. I recommend ~500mA for AA and ~300mA for AAA. High rates will speed up the degradation. Charging at low rates often causes the charger to have issues detecting when the battery is full, resulting in it getting overcharged. Moderate rates likely give you the best chances of minimizing degradation.
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Go with a brand that will replace an item destroyed if it's battery leaks in it.
150ma for 4xAAA and
300ma for 4xAA.
It would take 6 to 7 hours to charge.
I have both the made in Japan and made in China of Amazon basic rechargeable batteries, they both do great jobs and I can't tell the difference in performance at least not obviously enough to notice. I have the white body color(Japan) and white body color with green ring on top(China), not the green body color black top shown in the deal.
Maybe somebody else will chime in with their suggestion, but I don't see Eneloop Lites for sale, so Tenergy and EBL would be two "brand names":
https://www.amazon.com/Tenergy-Re...B07T8XLW2W
https://www.amazon.com/EBL-AA-Rec...B07DPJF1W
Retail sales are surely a tiny drop in the bucket for the factories making these and they really shouldn't be this expensive, so I would look into more "generic" cells if I was buying a lot. If you don't care about the lights, they can recharge alkalines until they start leaking.
Edit: Looks like the EBLs I linked actually are NiCad, here are the suspiciously-rated NiMH:
https://www.amazon.com/EBL-Rechar...B0BKSC
Not all batteries leaked. The other problem is the promised 2000mah. I accepted the fact that I would not receive 2000mah but I was hoping to get at least 1000mah. Many batteries charge and drain tested I received 500mah or less after a year.
Just FYI.
I still but these batteries and weed out the bad for my kids toys.
Otherwise I buy Eneloop.
Maybe somebody else will chime in with their suggestion, but I don't see Eneloop Lites for sale, so Tenergy and EBL would be two "brand names":
https://www.amazon.com/Tenergy-Rechargeable-Batteries-Durability-Performance-dp-B07T8XLW2W/dp/B07T8X... [amazon.com]
https://www.amazon.com/EBL-AA-Rec...B07DPJF1W
Retail sales are surely a tiny drop in the bucket for the factories making these and they really shouldn't be this expensive, so I would look into more "generic" cells if I was buying a lot. If you don't care about the lights, they can recharge alkalines until they start leaking.
Edit: Looks like the EBLs I linked actually are NiCad, here are the suspiciously-rated NiMH:
https://www.amazon.com/EBL-Rechar...B0BKSC
Go with a brand that will replace an item destroyed if it's battery leaks in it.
Do not recharge alkaline batteries. NiMH rarely leak, during their service life. If they do, it's usually far less than an alkaline. Both can be cleaned up with white vinegar.
I am new to rechargeable battery. Can you show how you test the batteries
Thank for your time
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I am new to rechargeable battery. Can you show how you test the batteries
Thank for your time
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