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 | For garage door openers, keyless entry, cameras, and security devices; 12V 23A battery

Product ID: 1892794

Details

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

⚡50mAh long-lasting capacity

🌿Mercury-free eco-friendly

🔋12V power punch

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Description

🔋 Power up your life with Energizer’s tiny but mighty A23 batteries!

TRUSTED BY MILLIONS - Top-rated with 4.8 stars from over 46,000 users—join the savvy pros who never run out of juice.
ECO CONSCIOUS ENERGY - Zero mercury content means reliable power with a reduced environmental footprint.
ENDURANCE THAT LASTS - 50mAh capacity ensures your devices stay powered longer without constant replacements.
POWER YOUR ESSENTIALS - Compact 12V alkaline batteries designed for keyless entry, remotes, and security gadgets.
UNIVERSAL COMPATIBILITY - Replaces multiple specialty battery models like 1181A, DL23, and V23GA effortlessly.

Energizer A23 Alkaline Batteries deliver dependable 12V power in a compact 2-pack, perfect for powering keyless entry systems, Bluetooth devices, and security remotes. With a 50mAh capacity and mercury-free design, these batteries combine long-lasting performance with eco-friendly responsibility. Trusted by over 46,000 users and compatible with multiple specialty battery types, they’re the go-to choice for professionals who demand reliability in every charge.

Specifications

ASIN	B00004YK10
Amperage	23 Amps
Antenna Location	Watch
Battery Capacity	50 Milliamp Hours
Battery Cell Composition	Alkaline
Battery Cell Type	Alkaline
Battery Weight	0.6 Ounces
Best Sellers Rank	#294 in Health & Household ( See Top 100 in Health & Household ) #1 in 12V Batteries
Brand	Energizer
Built-In Media	Battery Pack
Compatible Phone Models	Any equipment that operates on alkaline A23 batteries
Customer Reviews	4.8 out of 5 stars 46,216 Reviews
Global Trade Identification Number	00039800110091
Item Dimensions	3.4 x 1.8 x 0.4 inches
Item Type Name	Miniature-Retail Electronics
Item Weight	9 Grams
Manufacturer	Energizer
Model Name	ENR A23BPZ-2.Z4 ALA23 2PK COO CHINA
Model Number	A23BPZ-2
Number of Batteries	2 CR123A batteries required. (included)
Recommended Uses For Product	Watch
Reusability	Single Use
UPC	039800110091
Unit Count	2.0 Count
Voltage	12 Volts
Warranty Description	Comes with Manufacturer Warranty.

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Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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