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 bulk value

🔋9V power punch

AR$43733

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your essentials, stay ready, and never miss a beat!

BULK PACK CONVENIENCE - 8 batteries in one pack ensures you’re always stocked and never caught off guard.
RELIABLE 9 VOLT POWER - Delivers consistent energy for your essential devices like smoke detectors and garage door openers.
LONG LASTING FRESHNESS - 5-year leak-free shelf life means these batteries are ready when you need them most—no surprises.
TRUSTED QUALITY VALUE - AmazonBasics reliability with a 4.7-star rating from over 180,000 users—power you can count on.
CERTIFIED FRUSTRATION FREE PACKAGING - Eco-conscious, easy-to-open packaging that respects your time and the planet.

AmazonBasics 9 Volt Everyday Alkaline Batteries come in an 8-pack designed for reliable, long-lasting performance across household devices. Featuring a 5-year leak-free shelf life and frustration-free packaging, these non-rechargeable batteries offer trusted power with excellent value and a strong customer satisfaction record.

Specifications

ASIN	B00MH4QM1S
Amperage	8 Amps
Antenna Location	Toys
Battery Capacity	610
Battery Cell Type	Alkaline
Battery capacity	610
Battery cell composition	Alkaline
Best Sellers Rank	#231 in Electronics ( See Top 100 in Electronics ) #26 in Disposable Household Batteries
Brand	Amazon Basics
Compatible Phone Models	smoke detectors
Country of Origin	China
Customer Reviews	4.7 out of 5 stars 180,329 Reviews
Global Trade Identification Number	00841710157253
Item Dimensions	26 x 17 x 48 millimeters
Item Type Name	Alkaline Battery
Item Weight	0.05 Kilograms
Manufacturer	Hangzhou Powerpack Battery Co., Ltd.
Model Name	9V BATTERY
Model Number	6LR61-8PK
Number of Batteries	8 9V batteries required. (included)
Number of batteries	8 9V batteries required. (included)
Recommended uses for product	Toys
Reusability	Non Rechargeable
UPC	841710157253
Unit Count	8 Count
Unit count	8 Count
Voltage	9 Volts

Reviews

A**I

its amazing 🩶

5.06.2026

A**R

Excellent Value

Very good price compared to other options. Good quality.

6.05.2024

J**9

Does the job; why can't Amazon offer a mixed pack?

Product idea for Amazon: Create a mixed pack with AAA, AA and 9V sizes for use around the house.

16.11.2024

H**.

Good quality

Durable, But gives little power supply, Good for little projects

3.10.2024

M**D

13.05.2024

い**い

一度にたくさん使う人用

量と質は十分満足できる

7.04.2026

ا**ة

جيد

28.09.2025

A**A

Baterías adecuadas

Muy buenas baterías para uso diario. Tienen excelente duración, mantienen la carga por buen tiempo y funcionan perfecto en controles, relojes y dispositivos del hogar. La relación calidad-precio es sobresaliente; rinden igual que marcas más caras. Prácticas, confiables y totalmente recomendables para tener siempre a la mano.

16.12.2025

W**.

Satisfait pour le moment

J'avais besoin d'une seule pile pour mon multimètre mais compte-tenu du prix qui est était très interessant, je suis parti sur ce lot. C'est clairement le genre de pile qu'on a jamais en stock et on se retrouve en galère quand on en a besoin. Rien à dire pour le moment, j'en suis très content, elles fonctionnent bien. A voir si elles tiennent bien la charge.

10.01.2026

I**S

Muy buena calidad

Pack de pilas de calidad, buena presentación y con una gran durabilidad. Si usas este tipo de pilas para algún dispositivo, tienen una gran relación calidad-precio. Totalmente recomendables.

21.03.2026

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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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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AR$43733

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered 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 Argentina.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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