
27A Battery
27A Alkaline Zn-MnO₂ 12V. 20mAh capacity, 12V nominal — factory-direct from TIANQIU with OEM custom label & packaging, compliant with EU 2023/1542.
What is a 27A battery?
27A is a 12V Zn-MnO₂ button cell rated 20mAh. Alkaline zinc-manganese dioxide cells deliver 1.5 V with a long shelf life, which makes them the everyday choice for low to medium drain devices such as toys, torches, meters and thermometers. TIANQIU manufactures and supplies it factory-direct, with OEM label and packaging.
| Nominal voltage | 12V |
|---|---|
| Chemistry | Zn-MnO₂ |
| Rated capacity | 20mAh |
| Approx. weight | 4.8g |
What are the specs of a 27A battery?
| Battery Name | Alkaline Zn-MnO₂ 27A battery (non-rechargeable) |
|---|---|
| Model | 27A |
| Category | Portable battery |
| Chemistry system | Zn-MnO₂ |
| Weight | 4.8g |
| Trade / Brand | TIANQIU/No-brand/OEM brands |
| Shelf Life | One years under normal storage conditions |
| Production Date | According to customer requirements, generally printed on the battery body:Y-MFor example: 64=2026-04 6X=2026-10 6Y=2026-11 6Z=2026-12 |
| Country of Origin | China |
Alkaline zinc-manganese dioxide cells deliver 1.5 V with a long shelf life, which makes them the everyday choice for low to medium drain devices such as toys, torches, meters and thermometers. The 27A is produced on our own lines in China and can be supplied as a bare cell, on a blister card or in a printed box. Each is marked for 27A and ships with its own EU declaration of conformity.
Which cells are close to the 27A?
Other Zn-MnO₂ cells in the range with a comparable capacity — swap only when the holder and the voltage allow it.
| Model | Chemistry | Nominal voltage | Typical capacity |
|---|---|---|---|
| LR920 | Zn-MnO₂ | 1.5V | 19mAh |
| LR726 | Zn-MnO₂ | 1.5V | 17mAh |
| LR626 | Zn-MnO₂ | 1.5V | 13mAh |
TQ-EUDOC-27A-20260701 · tested to IEC 60086-1:2021, IEC 60086-2:2021, IEC 60086-3:2021, IEC 60086-5:2021. Datasheet and declaration links are in Related documents.How does the 27A perform?
| Type | Approx. Weight | Capacity | MAD |
|---|---|---|---|
| Normal | 4.8g | 20mAh | 40.0 hours |
What raw materials does the 27A contain?
Is the 27A compliant with EU 2023/1542?
TQ-EUDOC-27A-20260701), tested against IEC 60086-1:2021, IEC 60086-2:2021, IEC 60086-3:2021, IEC 60086-5:2021, and an MSDS.



What do buyers ask before ordering the 27A?
How long does a 27A battery last?
What is inside a 27A battery?
How long can a 27A be stored?
Is the 27A rechargeable?
Which documents come with a 27A order?
How do I order the 27A in bulk?
How do I get 27A wholesale pricing?
Factory-direct with OEM custom label & packaging. Samples available.