I have a 7 year warranty on these batteries how do I get more? it’s been a whole year and some now?

My understanding is that you have to contact their customer service department. However, there may be a catch, in that you would have had to given them a positive review within their allotted time frame so as to be registered with them. They only give you a week to review the product.

Interested in buying for dog fence collar. How long do these typically last in your dog collar? Would you buy the batteries again?

I use these batteries for my 3 Boston Terrier's dog collars. If I buy batteries from the collar manufacturer they are $20.00 for one. Amazon price is $13.95 for ONE. They are shrink-wrapped and when cut apart they are 2 CR1/3N 3V-B6 Lithium batteries. A six-pack of the CELLEWELL CR1/3N 3V-B6 Lithium batteries about $2.50 for each battery! And they are the longest-lived dog collar battery I've used.

Does anyone know why these wouldn’t work stacked in a series for a perimeter dog collar?

That's how we use them oh, and they work fine.

What is the length of these batteries?

They are approximately 3/8 of an inch

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CELEWELL 【10-Year Warranty】 4Pcs CR2 3V 1000mAh Lithium Battery

CELEWELL 【10-Year Warranty】 4Pcs CR2 3V 1000mAh Lithium Battery

Product ID: 422288585

Details

Number of Batteries
4 CR2
Brand
CELEWELL
Battery Cell Composition
Lithium
Battery Capacity
1000 Hour
Recommended Uses For Product
Camera

⚡3V Stable Lithium Power

🔋1000mAh High Capacity

🛡️10-Year Leak-Proof Warranty

¥2947

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Description

🔋 Power your essentials with confidence — don’t settle for less!

BUILT TO ENDURE - Industry-leading 10-year no-leak warranty ensures reliability when it matters most.
CERTIFIED SAFETY - ISO9001, UL, CE, RoHS, and UN38.3 certified for peace of mind in every use.
POWER THAT LASTS - Unmatched 1000mAh capacity fuels your devices longer than typical CR2 batteries.
TRUSTED EXPERTISE - Backed by 16 years of CELEWELL’s battery innovation and strict quality control.
VERSATILE COMPATIBILITY - Perfect for smoke alarms, tactical lights, cameras, and security systems.

CELEWELL’s 4-pack CR2 lithium batteries deliver a robust 1000mAh capacity at 3 volts, backed by a rare 10-year no-leak warranty and multiple global safety certifications. Designed for critical devices like smoke alarms, cameras, and tactical lights, these batteries combine premium materials and advanced manufacturing for superior durability and performance.

Specifications

ASIN	B09LM3P1JB
Amperage	4 A
Antenna Location	Camera
Battery Capacity	1000 milliampere_hour
Battery Cell Composition	Lithium
Battery Cell Type	Lithium
Best Sellers Rank	#38,059 in Health & Household ( See Top 100 in Health & Household ) #123 in 3V Batteries
Brand	CELEWELL
Customer Reviews	4.6 out of 5 stars 4,613 Reviews
Manufacturer	CELEWELL
Model Name	CR2 4Pcs
Model Number	CR2 4Pcs
Number of Batteries	4 CR2 batteries required.
Recommended Uses For Product	Camera
Reusability	Single Use
Unit Count	4 Count
Voltage	3 volts

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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¥2947

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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