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Energizer CR2016 Lithium Battery 3V, 5 Pack

4.6 out of 5 stars 11,431 ratings
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Purchase options and add-ons

Number of batteries 5 Lithium Metal batteries required. (included)
Brand Energizer
Battery cell composition Lithium Metal
Battery capacity 90 Milliamp Hours
Recommended uses for product Watch

About this item

  • Chemical System: Lithium / Manganese Dioxide (Li/MnO2 )
  • Nominal Voltage: 3.0 Volts
  • Operating Temp: -30C to 60C
  • Max Rev Charge: 1 microampere
  • Typical Capacity: 90 mAh (to 2.0 volts)
› See more product details

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Product description

Energizer CR2016 Lithium Battery 3V, 5 Count

Product information

Technical Details

Manufacturer ‎Energizer
Place of Business ‎St. Louis, MO 63141, US
Item model number ‎ECR2016
Product Dimensions ‎0.2 x 0.2 x 0.2 cm; 20 g
ASIN ‎B000RB00CK

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Energizer CR2016 Lithium Battery 3V, 5 Pack

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Product details

  • Batteries ‏ : ‎ 5 Lithium Metal batteries required. (included)
  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 0.2 x 0.2 x 0.2 cm; 20 g
  • Date First Available ‏ : ‎ July 17 2010
  • Manufacturer ‏ : ‎ Energizer
  • Place of Business ‏ : ‎ St. Louis, MO 63141, US
  • ASIN ‏ : ‎ B000RB00CK
  • Item model number ‏ : ‎ ECR2016
  • Customer Reviews:
    4.6 out of 5 stars 11,431 ratings

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Customer reviews

4.6 out of 5 stars
11,431 global ratings

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Customers say

Customers like the quality, performance, and size of the battery. They mention it's a good product and the cells are good. Some also say it's small, lightweight, and effective. However, some customers have mixed opinions on the battery life.

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QualityPerformanceBattery sizeAccuracyBattery life
105 customers mention "Quality"99 positive6 negative

Customers are satisfied with the quality of the battery. They mention it's a good product with good cells and perfect as new purchases should be.

"These are high quality and at a great price" Read more

"Great price for Great quality." Read more

"Good product overall... Not lasting as long as the ones purchased in store, but does the job." Read more

"Energize it's always good quality in them stuff" Read more

88 customers mention "Performance"78 positive10 negative

Customers are satisfied with the performance of the battery. They mention it's working great and works fine.

"The Batteries work great. Second time I’ve bought them." Read more

"...pint-sized batteries pack a punch - they are small, lightweight and effective. *..." Read more

"...Not so with this vendor. Well packaged batteries that work as expected...." Read more

"Received order quickly. Installed the batteries and they work well. Don't know how long they will last but so far so good...." Read more

8 customers mention "Battery size"8 positive0 negative

Customers like the size of the battery. They mention it's small, lightweight, and effective. Some say it's great for their scale, perfect for their watches, and long-lasting.

"Great for our scale" Read more

"...Simply put, these pint-sized batteries pack a punch - they are small, lightweight and effective. *..." Read more

"The fit and size of the batteries received are correct and works like a charm." Read more

"...I am frequent user , Wow its long lasting and works great . Mind blowing performance , amazing value for your money . thank you so much . very happy ." Read more

5 customers mention "Accuracy"5 positive0 negative

Customers are satisfied with the accuracy of the battery. They mention it appears to be genuine Energizer and trusted.

"These appear to be genuine Energizer, but are dated 2019, so have lost a year of shelf life...." Read more

"Genuine Energizer. Looks great and should the battery life too. Tied of those cheap batteries that last only a week. Price is very reasonable too." Read more

"Energizer trusted..." Read more

"Energizer power...." Read more

83 customers mention "Battery life"53 positive30 negative

Customers have mixed opinions about the battery life of the product. Some mention it seems to last as long as the original batteries they received, while others say some batteries didn't last long enough and died under load.

"Seems to last as long as the original batteries I received in my key fob & garage door opener." Read more

"...Red led on remote would not light up. Voltmeter reads 3V but they die under load. Seller did take care of the problem. Seller 5 stars...." Read more

"...That's all it was, the battery had died. The replacements were perfect." Read more

"...I am frequent user , Wow its long lasting and works great . Mind blowing performance , amazing value for your money . thank you so much . very happy ." Read more

Not very good
5 out of 5 stars
Not very good
The first couple worked for a short time and the others tested dead in the package after a couple of months.
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Top reviews from Canada

  • Nadir
    5.0 out of 5 stars Good product
    Reviewed in Canada on February 9, 2025
    Verified Purchase
    Good value for money
    Helpful
     Report
  • Allen Harter
    5.0 out of 5 stars Performance
    Reviewed in Canada on December 18, 2024
    Verified Purchase
    The Batteries work great. Second time I’ve bought them.
    Helpful
     Report
  • shirley ladouceur
    4.0 out of 5 stars bien recu
    Reviewed in Canada on April 25, 2024
    Verified Purchase
    TRES BONNE ET BON PRIX
    Helpful
     Report
  • Sue & Marc
    5.0 out of 5 stars Good Value
    Reviewed in Canada on July 13, 2024
    Verified Purchase
    They fit all my car's key fobs.
    Helpful
     Report
  • Ahbdulla A.
    5.0 out of 5 stars Batteries
    Reviewed in Canada on July 12, 2024
    Verified Purchase
    The batteries are ok
    Helpful
     Report
  • Magee klassen
    5.0 out of 5 stars Quick shipping
    Reviewed in Canada on May 5, 2024
    Verified Purchase
    Great for our scale
    Helpful
     Report
  • Andre Gagnon
    5.0 out of 5 stars prix
    Reviewed in Canada on May 26, 2024
    Verified Purchase
    `
    Helpful
     Report
  • Spirit2
    5.0 out of 5 stars What can you say about batteries?
    Reviewed in Canada on August 24, 2023
    Verified Purchase
    Seems like they are actually what I wanted. How long they will last is to be determined. Item received very quickly. Bought to use in watches.
    Helpful
     Report

Top reviews from other countries

  • PC
    5.0 out of 5 stars Item as described
    Reviewed in the United States on June 6, 2025
    Verified Purchase
    It looks like the photos.
    Report
  • 鶹 Customer
    5.0 out of 5 stars Good Product
    Reviewed in the United States on April 11, 2025
    Verified Purchase
    As advertised.
    Report
  • Achint
    5.0 out of 5 stars Worked for my Toyota car remote
    Reviewed in the United States on October 18, 2018
    Verified Purchase
    The car remote for my Toyota uses the CR2016 battery and these fit perfectly in the remote.
    These are labeled as ECR2016 which is energizer's brand name for CR2016 batteries. This is a 3V battery like all the lithium-ion batteries.
    These are lithium batteries (lithium is used as the cathode while Magnesium dioxide is the anode.) and have a high energy-to-weight ratio, which means they provide a lot of energy relative to their weight as compared to alkaline and silver-oxide batteries.

    Another characteristic that these batteries have is that they have a flat discharge curve, which means that provide near constant voltage until they discharge quickly over a short time instead of gradually discharging over a long time. So they are quite suitable for stuff like watches that need accuracy instead of gradually slowing down over a long period.

    WHAT IS CR2016
    International Electrotechnical Commission (IEC) assigns each type of battery a code, which is described in IEC 60086 document. The code for this battery is CR2016 which comprises of C,R,20,16. Each of these has a significance as follows:
    C - specifies that this is a Lithium-Manganese Dioxide battery
    R - Specifies the shape which in this case is Round. Other shapes are Flat (F), Square (S), and Not Round (P)
    20 - specifies the value of diameter in millimeters. The diameter of this battery is 20mm.
    16 - specifies the height of the battery in tenths of millimeters. The height of this battery is 1.6 mm.

    CAN THIS BATTERY REPLACE ANY LITHIUM-ION COIN BATTERY
    Probably not, unless it is of the same dimensions. The first important thing about this battery is the dimensions (which is 20 mm diameter and 1.6 mm height.) If the battery you are trying to replace has the same dimensions and is also a Lithium-ion battery then you may be able to replace some other battery with this one.
    For instance, CR2032 batteries are very similar to CR2016 other than the fact that they are 3.2 mm in height. So the car remote for which I purchased this battery did not have clearance for 3.2 mm high battery.
    However, if you are using a holder in DIY project like this one https://www.amazon.com/gp/product/B01J5FY2GI/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 , these can accommodate batteries of different dimensions. So you might be able to replace a battery with similar dimension.

    However, this is a 3V battery so don't use these to replace a battery f different voltage (e.g. SR621 which are1.5 V batteries)
    Customer image
    Achint
    5.0 out of 5 stars
    Worked for my Toyota car remote

    Reviewed in the United States on October 18, 2018
    The car remote for my Toyota uses the CR2016 battery and these fit perfectly in the remote.
    These are labeled as ECR2016 which is energizer's brand name for CR2016 batteries. This is a 3V battery like all the lithium-ion batteries.
    These are lithium batteries (lithium is used as the cathode while Magnesium dioxide is the anode.) and have a high energy-to-weight ratio, which means they provide a lot of energy relative to their weight as compared to alkaline and silver-oxide batteries.

    Another characteristic that these batteries have is that they have a flat discharge curve, which means that provide near constant voltage until they discharge quickly over a short time instead of gradually discharging over a long time. So they are quite suitable for stuff like watches that need accuracy instead of gradually slowing down over a long period.

    WHAT IS CR2016
    International Electrotechnical Commission (IEC) assigns each type of battery a code, which is described in IEC 60086 document. The code for this battery is CR2016 which comprises of C,R,20,16. Each of these has a significance as follows:
    C - specifies that this is a Lithium-Manganese Dioxide battery
    R - Specifies the shape which in this case is Round. Other shapes are Flat (F), Square (S), and Not Round (P)
    20 - specifies the value of diameter in millimeters. The diameter of this battery is 20mm.
    16 - specifies the height of the battery in tenths of millimeters. The height of this battery is 1.6 mm.

    CAN THIS BATTERY REPLACE ANY LITHIUM-ION COIN BATTERY
    Probably not, unless it is of the same dimensions. The first important thing about this battery is the dimensions (which is 20 mm diameter and 1.6 mm height.) If the battery you are trying to replace has the same dimensions and is also a Lithium-ion battery then you may be able to replace some other battery with this one.
    For instance, CR2032 batteries are very similar to CR2016 other than the fact that they are 3.2 mm in height. So the car remote for which I purchased this battery did not have clearance for 3.2 mm high battery.
    However, if you are using a holder in DIY project like this one https://www.amazon.com/gp/product/B01J5FY2GI/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 , these can accommodate batteries of different dimensions. So you might be able to replace a battery with similar dimension.

    However, this is a 3V battery so don't use these to replace a battery f different voltage (e.g. SR621 which are1.5 V batteries)
    Images in this review
    Customer imageCustomer imageCustomer image
    2 people found this helpful
     Report
  • mikecart1
    4.0 out of 5 stars Doesn't Seem to Last As Long As Previous Batteries
    Reviewed in the United States on April 6, 2025
    Verified Purchase
    I may have gotten a bad batch, but the battery life of this set didn't seem to last long. I use these in remote controls for car stereo systems and don't use the remote very often. In terms of quality, they seem to work. In terms of using these beyond a year, haven't had good luck with these.
    Report
  • Nicholas
    5.0 out of 5 stars Correct size
    Reviewed in the United States on January 26, 2025
    Verified Purchase
    Hard to get battery out
    Report

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