Amazon Basics USB Battery Charger Pack with AA (8-Pack), AAA (2-Pack) Rechargeable Batteries, C and D Converters – White
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Style: AA/AAA/C/D combo pack - White
Features
- Combination battery pack with rechargeable batteries, size converters, and USB charger
- Product includes: 8 pre-charged AA batteries (2000 mAh), 2 pre-charged AAA batteries (800mAh), AA to C and AA to D size converters, and a rapid USB charger.
- Rapid USB charger with individual channel charging slots for recharging 1-4 AA/AAA Ni-MH batteries at a time
- Charger includes tri-color LED indicator light plus over-charge/wrong polarity protection
- Same product, new look! Appearance of batteries you receive may vary
Description
Style:AA/AAA/C/D combo pack - White Amazon Basics USB Battery Charger Pack with AA (8-Pack), AAA (2-Pack) Rechargeable Batteries, C and D Converters – White From the Manufacturer Amazon Basics
Product Dimensions: 8.6 x 7.6 x 1.7 inches
Item Weight: 1.41 pounds
Item model number: U421
Date First Available: March 1, 2021
Country of Origin: China
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To initiate a return, please visit our Returns Center.
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Top Amazon Reviews
Style: C Cell
In the past, i have purchased and tried different brand batteries of various sizes. I have tried EBL, Eneloop, Panasonic, Duracel and Amazonbasics. Being the father of 3 kids makes you find the best batteries for a buck out there. Kids need batteries for their toys and devices. Dont even get me started on baby bouncers and rockers. You may have to keep charging the batteries every day and keep them in rotation. I can honestly say this, Amazonbasic batteries are pretty good. In par if not better quality wise than other brands, but when it comes to the value, Amazonbasics win hands down. I've had some of the AA and AAA batteries for years and they still hold a charge and charge pretty fast. One thing i should also mention is that the bigger EBL charger i have shown in my picture charges the batteries way faster than other chargers i have tried, Up to 3 times as fast as the Eneloop set comes with. Take it from someone that tried these brands and have used them for years. These batteries are pretty good! I can confidently say that AmazonBasic batteries are the best rechargable batteries for the value. Please, if you found my review helpful, click the thumbs up button below.
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Reviewed in the United States on December 2, 2020 by Donnie. A.
Style: C Cell
The point of using rechargeable batteries is to reduce waste. 4 batteries, preciously packaged in box that is big enough to hold 48 is excessive. It is counterproductive to people who are trying to be green.
Reviewed in the United States on October 6, 2019 by Cherrie
Style: C Cell
I put these in my Automatic trash bin. After a few weeks it started acting up. I could not imagine the batteries could be the culprit. I inspected the batteries and they were all rusted. These are supposed to be rechargeable batteries. If they rust within 2 months, what is the point? Amazon customer service gave me a real hard time getting refund as I didn't want a replacement of this crappy product. Do not recommend.
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Reviewed in the United States on September 24, 2020 by YS
Style: D Cell
Update on 7/27/21 for tests on 6/11/21 (Or about 1 year after original review) Batteries 1-3 have been insalled in a 3 cell Maglite for the year. This flashlight has a cheapie LED lamp. It is of the original Mag light design, not the newer ones with LED lamps. There was little use on these batteries. The light was tested for 5-10 seconds each month just as a battery check. These were discharged to check remaining charge. The discharge ranged from 9052mAh to 9724mAh. Which comes out to 90.54% to 92.74% remaining charge from their rated 10,000mAh. Once again, these batteries are testing out very nicely. They charged up to between 10830mAh to 11660mAh. The internal resistance measured out between 15-19 milli ohms. These 3 batteries also show low self discharge characteristics. Update on 7/27/21 for test on 3/21/21. I took Battery #4, which has been sitting in a drawer for 9 months. So this is a 9 month shelf life check. I discharged & charged the battery. The discharge after 9 months was 9230mAh. That is down ~7.9% from the rated 10,000mAh. So far this is fantastic and does show that at least 1 of the 4 batteries has low self discharge characteristics. (This battery measured 15 milli ohm of internal resistance) This review mirrors my review of Amazon Basics Size C NiMH batteries. I received these on June 21, 2020. I let them sit for an hour to acclimate them to my environment. Reading the instructions/paper work that came with these, you are to charge the batteries at least once every 3-6 months. (This does not give me any warm fuzzies about Low Self-Discharge characteristics of the batteries) Now this seems to be in opposition to the web page which states: Long battery life, extremely gradual self-discharge; maintains 80% capacity for 24 months. (This does give me warm fuzzies about Low Self-Discharge characteristics of the batteries) But what is it….6 months or 2 years. Time will tell. Hopefully I will be alive to report on this and Amazon accepts my added review, which they do not accept very many of my reviews for some reason. Now for early testing: I used my IQ338XL charger for the tests. Set it to charge test, which first discharges the batteries, stores the discharge current/time/internal resistance, then it charges the batteries, stores the charge current/voltage/time/internal resistance…..and when all batteries are finished, the charger flashes the display. This charger is preset at 500 ma discharge and can not be changed. So it will take a very long time to completely discharge these size D 10000mAhr batteries, especially with a full charge. On charge, this charger current is selectable…500, 750, 1000, and one level higher, which I can not recall. I set the charge current to 1000mA. Upon completion of the testing all of the batteries were between 1.45 and 1.46 volts, 10830mAhr to 11660mA and 15-22 mOhms internal resistance. These batteries came with a charge of 9052mAhr to 9724mAhr, which is 90.52% to 97.24% of the rated capacity. This is fantastic. To completely discharge the battery with 11660mAhr charge capacity at 500mA load current would take around 23 hours…..So, be prepared for the time it takes. And then it has to charge them…and at 1000mA of charge current it will take almost 12-13 hours. So basically a day and a half to do 1 cycle of discharge/charge. These batteries were dated December 2019. Now for the warm fuzzies of Low Self-Discharge…..It is now the 3nd week of June 2020….so lets just call it 6 month shelf life and they came with 90 to 97% charge…WOW...how can this be true??? I have never had this much charge left in any battery after 6 months…but the again….how often does Amazon charge them while on the shelf…no one really knows. Well, time will tell.
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Reviewed in the United States on June 25, 2020 by Macgravy
Style: 9 Volt
These are very good quality 9V NiMH cells when compared to one of the pioneers, Tenergy 9V NiMH LSD, analyzed new out of box. Pros Came fully charged, using a battery analyzer all cells exceeded 180 mAh each Manufacture date is stamped on each battery, mine are Jul 2019. This reinforces they are fresh as aging deteriorates the pack ISO protocol battery analysis of 100mA discharge confirms that each pack stores >= 200mAh, actual was over 10% each. Each pack was within 5% of each other, very close tolerance Good build quality, excellent label on the cells, marking, and connectors By contrast, new 9v LSD NiMH I bought from another maker 10 years ago had none of these Pros except the last. Those packs suggest inconsistent manufacture, and only half of that batch of 9V work like new. Cons Slightly bigger than standard 9V and could be a tight or a no fit for some devices No data on self discharge rate, or expected calendar life Please note all types of 9V are actually battery packs, not individual batteries and should be treated as a NiMH battery pack, that is NiMh cells in series, otherwise you won't get the expected life in years of the pack. A pack should be kept fully charged, as the discharge rate of AmazonBasic 9V LSD are not known, its best to recharge these once a year, even if unused. Used packs should be charged up as soon as possible, if left in the discharged state it increases the risk of reverse discharge to some cells in series. This is because all cells have a self discharge rate, albeit small, but when in series, the weaker cells in series may be pushed into reverse discharge, and hence, over discharged. Also when a 9V is fully discharged, it usually means its at 7V, or about 1V per cell, the low limit before it is over discharged and some cells in the series may not be well made and may already be near or at reverse discharge. If you keep the pack topped up, it almost certainly will not happen. See comments for references.
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Reviewed in the United States on November 16, 2019 by Jose Quintero