AmazonBasics AAA Rechargeable Batteries (8-Pack) Pre-charged - Packaging May Vary
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- Pack of 8 AAA rechargeable batteries
- 1,000 recharge cycles
- Capacity: 800mAh (milliamp-hour) Minimum 750mAh
- Pre-Charged using Solar Energy
- Made in Japan
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From the Manufacturer
AmazonBasics AAA Rechargeable Batteries
Want rechargeable batteries that truly last? The AmazonBasics Ni-MH Pre-Charged Rechargeable Batteries take advantage of cutting edge, low self-discharge technology that is just one of the many perks of these high-quality, reliable batteries.
Ready When They Arrive
AmazonBasics Ni-MH Pre-Charged Rechargeable Batteries come ready to go out of the box. Put them in your device and go.
Built For The Cold
When you need batteries that perform well even in cold temperatures, these batteries maintain high power in low temps. They’re great for ski resorts and winter activities.
- Charge hundreds of times with minimal power or capacity loss
- Stay 80% charged even after a full year of non-use and are still fully rechargeable after 3 years
- Ready to use out of the box
The maximum amount of charge a battery will hold is called its "permanent capacity." Some batteries lose permanent capacity after storage which means reduced run time. The AmazonBasics Ni-MH Rechargeable Batteries don’t suffer from this problem, so they can be fully charged again and again.
Go Full Throttle
Not only are AmazonBasics able to be used again and again, they work well with a variety of devices. Comparable to the power of single use alkaline cells, AmazonBasics perform especially well when used to power high-drain devices, such as digital cameras, electric toothbrushes, flashlights etc.
Batteries That Beam
You want your flashlight to be ready when you need it. Flashlights using ordinary batteries can shine dimly after sitting unused for too long. AmazonBasics Ni-MH Rechargeable Batteries shine bright even after storage. AmazonBasics are perfect for high-power, high-drain devices.
Top Customer Reviews
I measured the capacities of those AmazonBasics AAA batteries, using my La Crosse BC1000 charger. Here are my findings:
- Right out of the package, the average remaining charge is 562mAh, or 70% of the rated '800mAh' capacity.
- After one recharge/discharge cycle, the average capacity jumped to 797mAh.
- After another 2-3 more cycles, the average capacity leveled off at 821mAh
The above behavior is consistent with my previous test results for original (1000-cycle) eneloop, 2nd-gen (1500-cycle) eneloop and 3rd-gen (1800-cycle) eneloop cells.Read more ›
Eneloop Batteries, 2000mAh (slightly used through <10 discharge cycles)
Battery 1 - Capacity 1928 mAh
Battery 2 - Capacity 1966 mAh
Amazon Batteries, 2000mAh (<3 discharge cycles, new)
Battery 1 - Capacity 2016 mAh
Battery 2 - Capacity 2006 mAh
Overall these batteries seem to be nearly identical in their discharge behavior and capacity to that of the name brand with about $0.25 price difference at the time of this review. I'll be buying these for sure and possibly updating after several hundred charge cycles.
When shopping for batteries you generally have a choice of Alkaline, Traditional NiMh, the precharged (sometimes called hybrid) NiMh, and Lithium. Currently if you want rechargeable batteries that only leaves the precharged and traditional NiMh as being readily available. While you may be tempted to buy the traditional kind due to its somewhat lower cost and higher capacities marked on the label, please look further. I have compared several currently available AA batteries, A La Crosse 2600mAh traditional, and the following precharged; Amazon Basics 1900 mAh, Sanyo Eneloop 1900 mAh, and Duracell 2000 mAh. (Used La Crosse BC-9009 battery charger/analyzer)
You probably have heard that traditional NiMh batteries self discharge (in my experience about 5% the first day and then about 1% per day) and may be tempted to say, that's OK, I will use them within a day or so of charging. (After six months or so this type is just about discharged) If its for a flashlight that's OK, however if its for an electronic device, there is a much more important characteristic I want to point out. Electronic devices and cameras especially will cut off when they detect a VOLTAGE below a certain minimum (Pentax, Canon, Nikon AA cameras), in my experience anywhere below 1.15 and 1.25 can be detected as a dead battery.
I have tested all of the batteries above and plotted the results (see the customer image). The HIGHEST rated capacity La Crosse (2600 rated vs 2330 tested) would report as dead @1.15 volts after only 175 minutes or less than HALF its rated capacity (1090 mAh effective vs 2600 rated). My highest rated Amazon Basics AA would reach that cut off point at 330 minutes, or almost twice as long!Read more ›
So the question is, how do they compare against the king of low self discharge batteries, the Sanyo Eneloop?
Fresh out of the packaging, and after two recharge cycles, they compare very well - I did not do a scientific test of timing how long they last, but using it in my GPS receiver on hikes, they last about 10% - 20% longer than my 1 year old Eneloops. Not only that, according to the GPS receiver's battery meter, the voltage drops slower than the Eneloops. The Eneloops are older, so that's not a big surprise, but I'd say the performance is at least equal to, and possibly better than, the Eneloops when they were brand new. I've only used them for a month, so that's hardly enough time to test how they hold up over time. I have Eneloops that I've been using for almost 6 years now (Amazon records show that I ordered them on December 18, 2007), and although they do exhibit some capacity loss, they still have enough capacity to be useful. Will these last as long? Will their capacity hold up? Time will tell.
I also purchased some of the older black and green AmazonBasics pre-charged NiMH AA, but I haven't had a chance to use them yet. I'll update the review with a comparison when I do.Read more ›
Most Recent Customer Reviews
So far, so good. Put in rechargeable phones, so we'll see longevity in time.Published 48 minutes ago by Foodsavant
Seems to loose charge quik but i just use for baby moniter so its fine. I charge 2 & use 2 so i dont have a problem. Would be great if i didnt have to keep switching so often tho.Published 1 day ago by mota
when I ordered 16 batteries I would expect all 16 to work for more than 1 week. however I have at-least 4 that no longer hold a charge.Published 1 day ago by Brian Coder
I'm very disappointed in these batteries as I had a couple of them leak and ruin a top-notch battery charger (La Crosse Technology BC1000 Alpha Power Battery Charger) that I... Read morePublished 1 day ago by Todd Cluff