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Panasonic BK-4MCCA4BA eneloop AAA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries, Pack of 4

4.8 out of 5 stars 14,689 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in AA Batteries by Eneloop

Price: $10.49 ($2.62 / Count) Get Fast, Free Shipping with Amazon Prime & FREE Returns
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Pack of 4 Size Chart

Enhance your purchase

Number of Batteries 4 AAA batteries required. (included)
Brand Eneloop
Battery Cell Composition NiMH
Unit Count 4 Count
Voltage 1.2

About this item

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  • Sold as "Pack of 4" i.e. 4 Batteries in a Pack
  • Recharge up to 2100 times
  • Maintain up to 70% of their charge after 10 years (when not it use)
  • 800mAh type, 750mAh min, Ni-MH pre-charged rechargeable battery
  • Pre-Charged at the factory using solar power and ready to use
  • No memory effect - batteries can be recharged when fully, or partially discharged
New & Used (17) from $9.65 FREE Shipping on orders over $25.00 shipped by Amazon.

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  • Panasonic BK-4MCCA4BA eneloop AAA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries, Pack of 4
  • +
  • Panasonic BK-3MCCA4BA eneloop AA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries, 4 Pack
  • +
  • Panasonic K-KJ17MCA4BA Advanced Individual Cell Battery Charger Pack with 4 AA eneloop 2100 Cycle Rechargeable Batteries
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Panasonic K-KJ17MCA4BA Advanced Individual Cell Battery Charger Pack with 4 AA eneloop 2100 Cycle Rechargeable Batteries
Panasonic K-KJ17M3A4BA Advanced Individual Cell Battery Charger Pack with 4 AAA eneloop 2100 Cycle Rechargeable Batteries
Customer Rating 4.8 out of 5 stars (14689) 4.5 out of 5 stars (47) 4.8 out of 5 stars (3815) 4.8 out of 5 stars (10400) 4.8 out of 5 stars (8239) 4.6 out of 5 stars (1086)
Price $10.49 $9.30 $12.99 $18.99 $17.99 $21.99
Shipping FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
Battery Cell Composition NiMH NiMH NiMH NiMH NiMH
Size Pack of 4 4-Count 4-Pack 8-Pack 4-Pack 4-Pack

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From the manufacturer

23 23 2 23
eneloop AA eneloop AAA eneloop pro AA eneloop pro AAA
Capacity up to 2000mAh* up to 800mAh* up to 2550mAh* up to 950mAh*
Cycles / Recharges up to 2100 times** up to 2100 times** up to 500 times** up to 500 times**
Storage Life Hold 70% charge up to 10 years* Hold 70% charge up to 10 years* Holds 85% charge up to one year* Holds 85% charge up to one year*
Charged at the Factory Using Solar Power Yes Yes Yes Yes
Low Temp Rating Down to -4 degrees F Down to -4 degrees F Down to -4 degrees F Down to -4 degrees F
Chemistry LSD Ni-MH LSD Ni-MH LSD Ni-MH LSD Ni-MH
Recyclable Yes Yes Yes Yes
Country of Origin Made in China Made in China Made in China Made in China

Product description

Size:Pack of 4

eneloop NiMH "Low Self Discharge" batteries utilize Panasonic advanced rechargeable battery technology, allowing them to be recharged up to 2,100 times. eneloop batteries deliver consistent power performance, maintain 70% of their charge for up to 10 years, come pre-charged by solar power (at the factory) and are ready to use out of the package. They also have extreme temperature performance down to -4 deg F.

Product information

Size:Pack of 4

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
14,689 global ratings
How are ratings calculated?

Top reviews from the United States

Reviewed in the United States on September 18, 2017
Size: Pack of 4Verified Purchase
Customer image
1.0 out of 5 stars Exploded within 3 months?!? Amazon credited my purchase @
By Army vet on September 18, 2017
Purchased June 10th 2017. Hopefully it was just a bad batch
Bought these and the double AA batteries, which haven't had any issues. The AAA batteries are the only ones that I received, that has given me problems.installes in a new Samsung remote. Pics are really worth a 1,000 words. Hopefully the manufacturer monitors this reviews.

Updated 1/19/2019

I called Amazon, told her my experience with these batteries. ( she saw my review of these batteries batteries. She credited my account for these batteries. She couldn't reccomend a different battery line, or swap out these batteries. She did say u would have to order these or another brand that Amazon Carrys. This was taken care of within weeks of purchasing these batteries. I didnt know I hadn't updated the review.

The remote was cleaned with white vinegar and was air dried. It still worked. Thankful for small favors. Lol
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121 people found this helpful
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Reviewed in the United States on May 18, 2020
Size: Pack of 4Verified Purchase
51 people found this helpful
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Reviewed in the United States on August 20, 2020
Size: StandardVerified Purchase
Customer image
1.0 out of 5 stars Junk knockoffs..
By T. King on August 20, 2020
These are junk knockoffs.. 4 of the 8 cells I purchased have failed already in only a few hours use. Won't charge, voltage is low. The cells are wrapped with a sticker that peels off ~ easily; this is not how real commercial cells are made.

I'm throwing them all away. I certainly do not appreciate being ripped off like this. Further, using these for lighting while cycling at bight, when a cell goes out the lighting fails. It's dangerous.

Shame on these people..
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44 people found this helpful
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Reviewed in the United States on October 30, 2019
Size: StandardVerified Purchase
22 people found this helpful
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Reviewed in the United States on August 18, 2018
Size: 12-Battery PackVerified Purchase
30 people found this helpful
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Reviewed in the United States on January 10, 2021
Size: Pack of 4Verified Purchase
9 people found this helpful
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Reviewed in the United States on April 1, 2019
Size: StandardVerified Purchase
17 people found this helpful
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Top reviews from other countries

Hironori Taniguchi
5.0 out of 5 stars Los viejos confiables
Reviewed in Mexico on January 7, 2019
Size: 24-Battery PackVerified Purchase
One person found this helpful
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Temo Canada
5.0 out of 5 stars There is no substitute
Reviewed in Canada on August 19, 2017
Size: StandardVerified Purchase
10 people found this helpful
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Richard Anderson
1.0 out of 5 stars Do not buy.
Reviewed in Canada on February 11, 2020
Size: 16-Battery PackVerified Purchase
2 people found this helpful
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Benoit l.
4.0 out of 5 stars Very high longevity
Reviewed in Canada on January 24, 2020
Size: 24-Battery PackVerified Purchase
Christian Aubry
5.0 out of 5 stars Piles très fiables, puissantes et durables
Reviewed in Canada on June 10, 2021
Size: StandardVerified Purchase