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4 Cards: 16 pcs Tenergy Centura AA Size 2000mAh Low Self Discharge NiMH Rechargeable Batteries
- Slow self discharge: Maintains 85% residual capacity after 1 year of storage and 70% residual capacity after 2 years of storage. Less time spent recharging when you take them out of storage.
- High capacity battery: 2000mAh will give you much longer and more uses per charge.
- Save money: Go rechargeable! Save thousands of dollars by eliminating frequent purchases of one-time-use AA Alkaline batteries.
- Standard AA size replacement: Height: 50mm Diameter: 14.5mm. Replaces any AA size alkaline and NiCd batteries. Common uses: clocks, remote controls, cameras, computer mice and keyboards, toys, toothbrushes, and many more.
- Rechargeable: Can be easily and rapidly charged with smart and universal chargers for any time you may need it.
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Features and Benefits:
Slow self discharge: Maintains 85% residual capacity after 1 year of storage and 70% residual capacity after 2 years of storage. Less time spent recharging when you take them out of storage.
High quality AA Size 2000mAh rechargeable Nickel Metal Hydride (Ni-MH) battery.
Combines all the features of the alkaline (one-time-use) battery with the economical and environmental benefits of a rechargeable battery.
Exact replacement for standard AA size battery in all devices that take AA batteries.
High capacity battery: 2000mAh will give you much longer and more uses per charge.
Can be recharged at least 500 times, providing big savings by replacing hundreds of disposable AA batteries.
NiMH tech: There isn't the memory effect which means you can recharge the battery regardless of what charge it is currently at.
Battery tested based on International Electronic Commission (IEC) standard.
Most Popular Applications:
Computer mice and keyboards
Centura LSD Supported Chargers:
Compatible with ALL of Tenergy Smart Chargers
Any other charger that is capable of charging NiMH rechargeable batteries.
Size: 16 pcs | Color: AA
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Top Customer Reviews
Frankly, I don't have much confidence in Tenergy products. But the present low price (30% less compared to eneloop) is just too hard to resist. So here are my test results, using my old La Crosse BC-900 Battery Charger:
- Right out of the package, the average remaining charge measured was only 520mAh, or 26% of the rated capacity of '2000mAh'. In comparison, Sanyo eneloop typically arrives with ~75% of rated capacity.
- After the first recharge, two cells reached ~1250mAh, while the other two reached ~2100mAh. I'm surprised to see this discrepancy, because it never happened to other name-brand LSD cells I have tested.
- After the second recharge, all four cells reached ~2100mAh. Subsequent charge/discharge cycles gave average capacity of 2108mAh. This is very similar to the capacity of Sanyo eneloop.
It will take a few more months before I can have any long-term self-discharge data. As of right now, the Tenergy Centura seems to perform as well as advertised - at least after two full discharge/recharge cycles. So I consider Tenergy Centura to be a good low-cost alternative to Sanyo eneloop.Read more ›
- Right out of the package, the average remaining charge measured was only 237mAh, or 30% of the rated capacity of '800mAh'.
- After the first recharge, the average capacity jumped up to 898mAh!
- After another two discharge/recharge cycles, the average peaked at 900mAh. The spread is quite small, with minimum=880mAh and maximum=922mAh.
In comparison, Sanyo eneloop AAA typically arrives with ~75% of rated capacity, and the average capacity after 2 cycles is 830-840mAh. So the Tenergy Centura, while marketed as an eneloop clone, actually delivered ~7% higher capacity than eneloop.
The measured capacity of Tenergy Centura is higher than all other LSD AAA cells I have tested - except for PowerEx Imedion AAA. The Imedion AAA is rated for '950mAh', and delivers 975mAh average capacity under the same test conditions. But of course the price for Imedion is much higher.Read more ›
I've pretty much replaced all alkaline batteries with NiMH LSD. Most devices use AAs...cameras, flashlights, GPS, wireless devices etc. and they're loaded with the older Rayovac Hybrids and Eneloops. Have a couple which use AAA and they have Hybrids. When I saw the $5 price of 4 Tenergy Centura AAAs and the advertised comparison to Eneloop (generally considered the best LSD available), I couldn't resist a purchase to test and keep them as a backup.
As were previous reviewers, I also was impressed with initial capacity which was well above the 800 mAh rating. After a couple of discharge/recharge cycles on a LaCrosse BC-9009 at a 100 mA discharge rate, they yielded a capacity of 916, 880, 879, and 870 mAh. Pretty impressive for AAA rechargeables.
I initially intended to test capacity at 6 months and 1 year to determine discharge rate. However, after reading NLee's test at 92 days, decided to test a couple myself which now are at 110 days and have been stored in the basement at 60 to 65 degrees. The results: 916 mAh now down to 727 mAh...79% of initial capacity. 880 mAh down to 731...83% of initial capacity. Average the two and you have 81%...in line with NLee's results and already below the advertised 85% at 1 year. However, there is another way to look at this.Read more ›
Most Recent Customer Reviews
I got 1 single use out of 8 of these 24 batteries.
8 useless batteries out of 24. I will update as I'm sure the rest will be worthless.
I will be honest.
Had a set of 10 these batteries almost 5 years reusing them all the time before 1 started to get week . Read morePublished 6 days ago by Richard
Great value for rechargeable batteries - they work well in all my children's toys. Not having to buy more disposables makes these pay for themselves in a matter of months. Read morePublished 7 days ago by Chris Burns
These batteries are what they claim to be for significantly less money then their name brand competitors. I ordered one pack to make sure of this. Read morePublished 8 days ago by Tirra
No problems charging and charge appears to hold well while not in use. We use a couple sets in power hungry LeapPad tablets and the length of time these are good for blows away the... Read morePublished 10 days ago by D. Tomlin
These batteries last a really long time in my children's electronic devices. I have a ton of these batteries and love how I can just pop them in the charger and not have to buy... Read morePublished 13 days ago by keeks62
Have tried many different low discharge rechargeables and this is very comparable eneloop that many rave about. Read morePublished 13 days ago by Ding Dong