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  • Duracell MN21B2PK Watch / Electronic/ Keyless Entry Battery, 12 Volt Alkaline
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Duracell MN21B2PK Watch / Electronic/ Keyless Entry Battery, 12 Volt Alkaline

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List Price: $4.99
Price: $4.42 ($2.76 / oz) & FREE Shipping
You Save: $0.57 (11%)
In Stock.
Ships from and sold by I Deals.
  • Pack of two
  • 12 Volt Alkaline batteries
  • Long lasting power in everything from watches to hand held games and calculators
  • Primarily used in garage door openers, car alarms and more
  • Dimensions: 3.5 x 1.8 x 0.5 inches ; 1.6 ounces
23 new from $1.76

Household Essentials
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Frequently Bought Together

Duracell MN21B2PK Watch / Electronic/ Keyless Entry Battery, 12 Volt Alkaline + Energizer A23 Battery, 12 Volt - 2 Pack + Energizer 2032 Battery CR2032 Lithium 3v (1 Pack of 5)
Price for all three: $10.96

These items are shipped from and sold by different sellers.

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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Product Description

Duracell offers a wide range of powerful watch/electronic batteries to meet your needs. These batteries offer long lasting power in everything from watches to handheld games and calculators.

Product Details

  • Product Dimensions: 0.5 x 1.8 x 3.5 inches ; 1.6 ounces
  • Shipping Weight: 2.4 ounces (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • Origin: Imported (China)
  • ASIN: B00009V2QM
  • UPC: 041333004068 199998009192
  • Item model number: MN21B2PK
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (90 customer reviews)
  • Amazon Best Sellers Rank: #3,101 in Health & Personal Care (See Top 100 in Health & Personal Care)
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Customer Questions & Answers

Customer Reviews

I was so glad to find them online.
Jack Singer
I have purchased these Duracell Batteries before and they usually have a very long shelf life compared to others.
Humble Human
Works great in my garage door opener.
Kristen

Most Helpful Customer Reviews

6 of 6 people found the following review helpful By Ian Peter Duke on June 26, 2009
Verified Purchase
These batteries in the store cost more for one single, than this two-pack online, delivered (I bought with other items and got super saver free shipping). The shelf life was well into the future, and they are a well known name. I use this battery for a wireless bike computer.
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5 of 5 people found the following review helpful By Jack Singer on October 17, 2011
Verified Purchase
This size of battery was the hardest to find anywhere in my town. I was so glad to find them online. They work Great...
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2 of 2 people found the following review helpful By Amazon Customer on January 30, 2014
Verified Purchase
Unfortunately, the negative reviews are correct. The batteries have a limited shelf life, far less "fresh" than those you can purchase in retail stores.
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4 of 5 people found the following review helpful By Herbert J. Amster on September 17, 2008
Verified Purchase
What can I say, Duracell batteries at an excellent price. No more to be said.
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1 of 1 people found the following review helpful By Flyer Paul on December 30, 2013
Verified Purchase
I ordered 2 battery 2packs and they arrived with $0.96 postage due. This was still cheaper than I could buy them locally. One of the batteries was put to use, 3 are in stock to back up my 6 remotes that use them.The shelf life dates are to sometime in 2017.
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1 of 1 people found the following review helpful By Good Reviews on September 13, 2012
Verified Purchase
Update to the original review below: The supplier contacted me very quickly when I complained, and offered me my choice of a refund or replacement. I chose a replacement, and they also arrived very quickly. The package was intact, no damage, and although the batteries were slightly less than I would like for brand new 12V batteries (12.10 and 12.19 V), they were still above 12.00. I have updated my original 2-star rating to a 4-star on this product, and I credit the supplier with such rapid response and trying hard to satisfy me, and would recommend working with them.
=====

When I opened the shipping package, I found the batteries loose inside. Also loose was the Duracell paperboard package and the plastic blister. The date code on the package said the year 2015, but the voltages were less than 12V: 11.98 and 11.90V. They should have been substantially above 12.00, such as 12.30-12.70. Either these batteries were not truly originally in the package, or they were factory seconds with less than specified voltages.
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1 of 1 people found the following review helpful By S. Gardner on November 27, 2011
Verified Purchase
When my garage door openers remote AND in the garage stopped working, I needed batteries FAST, but couldn't find the right size locally. Lucky for me these batteries were the right type and were delivered SO quickly I was in and out of my garage again in no time. Thanks so much!
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1 of 1 people found the following review helpful By itzgood2bme on August 18, 2011
Verified Purchase
These batteries are hard to find in a store. Much easier to purchase online and they work. What more can you ask for?
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