Battery

A27

12V alkaline cell

A27 is a compact 12-volt alkaline cell (also sold as 27A / MN27 / GP27A / L828). Thinner than A23 — do not force the wrong diameter. CompuStar CM1000-K (R150) and Xianfeng YK remotes name one 12V A27 / 27A. Not a phone battery.

Chemistry: alkaline
Voltage: 12 V
Diameter: —
Length: —
Used by: 2 devices

Common uses: Remotes

A27 Diagram

Brand-neutral outline — confirm the tray in your device.

Other names

Genuine aliases and pack labels for this battery — not substitutes of a different chemistry.

MN27 · 27A · GP27A · L828

Related codes

Same battery / other names

A27MN27

Also sold as

Brand or pack name for the same battery.

A278LR732

Same battery

Same battery, different label.

Devices using A27

Used in

Garage remotes2 devices

Learn more

Testers & chargers

Optional tools that fit this cell type — only where the chemistry allows. Separate from the battery answer.

Amazon links may earn us a commission. They do not change the battery answer.

Battery tester
Quick good / low / dead check for household cells
Crude check only — does not measure capacity under realistic load.
How to test a battery Buy on Amazon
Battery storage / organiser
Keep spare cells sorted and prevent coin-cell shorts
Keep coin cells away from children.
Buy on Amazon

Buy links are optional and separate from the battery answer.

Need one?

Need a A27?

Search Amazon for packs of this battery code.

Buy on Amazon Amazon UK

Buy links go to Amazon (Associates where tagged) or other affiliate programmes when available. They never change the battery answer.

Notes

CompuStar CM1000-K (R150) / 1BAMR: 1× 27A (OEM RF-150R). Thinner than A23; not a phone battery.