What's the difference between AE-23 and A23?

As far as I can tell and I'm no expert, but there is no difference between the AE-23 12 volt battery and the A23 12 Volt battery. The popular brand companies use the A23 designator and off brand companies use the AE23 designator. Hope this helps

Nothing on the Amazon page or image says it's alkaline. Where does it indicate that it's alkaline?

if you llok close up on the battery its says alkaline on it. you may not see it in this picture, but if you look at other A 23 energizer picture you will see it.

what's the difference between the 23a and 27a batteries?

Google this " List_of_battery_sizes " (where I got answer). The A23 is 2/100 of longer" and 9/100" wider. So a 27a should fit where a 23a does fits in most cases, but not necessary the other way round. Both are 12V DC so no harm to a device if either battery fits and works in your device.

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Energizer A23 Batteries (2 Pack), A23 Battery Alkaline

Product ID: 1892794

Details

Battery Capacity
50
Battery Cell Composition
Alkaline
Brand
Energizer
Number of Batteries
2 CR123A
Recommended Uses For Product
Watch

⏳long-lasting life

🌿mercury-free eco-friendly

🔋12V power boost

€ 5.47

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Description

🔋 Power up your life with Energizer’s unstoppable mini giants!

UNMATCHED LONGEVITY - Extended battery life that outperforms generic brands, so you stay powered longer without worry.
ECO CONSCIOUS CHOICE - Zero mercury content reduces environmental impact while delivering dependable performance.
POWER YOUR ESSENTIALS - Compact 12V alkaline batteries designed for keyless entry, remotes, and security devices.
EFFORTLESS COMPATIBILITY - Seamlessly fits all A23 battery devices with easy installation—no fuss, just reliable power.
TRUSTED BRAND RELIABILITY - Energizer, the #1 specialty battery brand, ensures consistent voltage and peace of mind.

Energizer A23 Batteries (2 Pack) deliver reliable 12V alkaline power tailored for small electronics like keyless entry systems, remotes, and security devices. Featuring long-lasting performance and mercury-free composition, these compact batteries combine eco-conscious design with trusted Energizer dependability, ensuring your essential gadgets stay powered without interruption.

Specifications

ASIN	B00004YK10
Amperage	23 A
Antenna Location	Watch
Battery Capacity	50 milliamp_hours
Battery Cell Type	Alkaline
Battery Weight	17.01 g
Best Sellers Rank	#304 in Health & Household ( See Top 100 in Health & Household ) #1 in 12V Batteries #28 in Sales & Deals
Brand	Energizer
Compatible Phone Models	Any equipment that operates on alkaline A23 batteries
Customer Reviews	4.8 4.8 out of 5 stars (58,060)
Global Trade Identification Number	00039800110091, 00809143109690
Included Components	Battery Pack
Item Dimensions	3.4 x 1.8 x 0.4 inches
Item Type Name	Miniature-Retail Electronics
Item Weight	9 g
Manufacturer	Energizer
Model Name	ENR A23BPZ-2.Z4 ALA23 2PK COO CHINA
Model Number	A23BPZ-2
Number of Batteries	2 CR123A batteries required. (included)
Reusability	Single Use
Unit Count	2 Count
Voltage	12 volts

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€ 5.47

Duties & taxes included

In stock

Sold byAmazon FranceDelivered 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 France.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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