Can anyone please compare the size of these batteries to the size of standard 9 volts? Are they the same size as standard batteries or longer?

Amazon 9V batteries received in November 2022 were not larger than a Duracell 9V in any dimension. Carefully measured. Many earlier answers say they are larger, but apparently that problem has been resolved.

Will these fit the standard fire/smoke alarms? comments say that amazon batteries are longer than others which are hard enough to install..thanks

In my review (http://www.amazon.com/review/RNAU5AWNID6IA/ref=cm_cr_rdp_perm) I provided detailed measurements and pictures of the batteries and side by side comparisons.The AmazonBasics and a Utilitech "heavy duty" battery, neither of which fit my CO detector, were both right about 0.6mm longer and 0.6mm fatter than a standard Duracell battery which did fit my CO detector. It seems these are the "big" 9v's (Possibly "Heavy duty"?). They do fit in my smoke detectors, but it really comes down to whether you have a cramped battery compartment or one that does weird things to connect the battery. You should probably pass if that's the case or if you've had issues installing your current batteries.

How much ampere for a battery ?

rightbattery has measured them at 481 mAh for a 50 mA (light) load, which is second only to Ikea's - they have test results for a dozen different 9-volts there.

I need these for a rental property. The city requires that they have expiration dates listed on the battery themselves. Can anyone confirm?

The date is very small on the bottom of the battery. Just received a box of 8, expiration 02/2025.

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AmazonBasics 9 Volt Everyday Alkaline Batteries - Pack of 8

Product ID: 555624262

Details

Battery capacity
610
Battery cell composition
Alkaline
Brand
Amazon Basics
Number of batteries
8 9V batteries
Recommended uses for product
Toys

⏳5-Year Leak-Free Shelf Life

📦8-Pack Convenience

🔋9V Voltage Power

RM91

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Description

🔋 Power your life, stress-free and ready to go!

BULK PACK EFFICIENCY - Eight batteries in one pack means fewer trips to the store and more peace of mind.
LONG LASTING FRESHNESS - Store confidently with a 5-year leak-free shelf life—ready when you need it most.
RELIABLE 9 V POWER BOOST - Perfect for smoke detectors, toys, and garage openers—power up your essentials without a hitch.
TRUSTED AMAZON BASICS QUALITY - Join over 230,000 satisfied users enjoying dependable performance every day.
CERTIFIED FRUSTRATION FREE PACKAGING - Unbox with ease and reduce waste—because convenience should be sustainable.

AmazonBasics 9 Volt Everyday Alkaline Batteries come in an 8-pack designed for reliable, long-lasting power across household devices like smoke detectors, toys, and garage door openers. Featuring a 5-year leak-free shelf life and frustration-free packaging, these non-rechargeable batteries combine convenience with trusted AmazonBasics quality.

Specifications

ASIN	B00MH4QM1S
ASIN	B00MH4QM1S
Amperage	8 Amps
Antenna Location	Toys
Batteries	8 9V batteries required. (included)
Battery Capacity	610
Battery Cell Type	Alkaline
Best Sellers Rank	#189 in Electronics ( See Top 100 in Electronics ) #25 in Disposable Household Batteries
Brand	Amazon Basics
Compatible Phone Models	smoke detectors
Country of Origin	China
Country of origin	China
Customer Reviews	4.6 4.6 out of 5 stars (235,447)
Customer reviews	4.6 4.6 out of 5 stars (235,447)
Global Trade Identification Number	00841710157253
Item Dimensions	26 x 17 x 48 millimeters
Item Type Name	Alkaline Battery
Item Weight	0.05 Kilograms
Item model number	6LR61-8PK
Manufacturer	Hangzhou Powerpack Battery Co., Ltd.
Manufacturer	Hangzhou Powerpack Battery Co., Ltd.
Model Name	9V BATTERY
Model Number	6LR61-8PK
Number of Batteries	8 9V batteries required. (included)
Product Dimensions	2.65 x 1.75 x 4.85 cm; 45 g
Reusability	Non Rechargeable
UPC	841710157253
Unit Count	8 Count
Voltage	9 Volts

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RM91

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered 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 Malaysia.

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