Battery GP A27 (model 29A-U5) — alkaline button cell set of 5

GP A27 (model 29A-U5) — alkaline button cell set of 5 is a pack of five A27/27A-type cylindrical alkaline cells intended for small electronic devices that require compact, stable power. These batteries are designed to fit devices such as key fobs, remote controls, car alarm remotes, and small electronic toys. The pack provides spare cells for replacement and maintenance needs.

Advantages

The GP A27 alkaline cells deliver consistent voltage output and a long shelf life typical of alkaline chemistry, making them suitable for intermittent or standby use. The small, uniform size and standardized dimensions ensure compatibility with devices that specify A27/27A cells. Supplied as a set of five, the package offers immediate spares for multi-device households or sequential replacements without opening multiple packages.

Suitable for

• Remote controls for garage doors and audiovisual equipment
• Keyless entry fobs and car alarm remotes
• Small electronic toys and novelty gadgets
• Wireless sensors and short-burst transmitters

When it may not be suitable

These alkaline A27 cells are not intended for high-current, continuous-drain devices such as professional flash units, high-power LED arrays, or portable power tools. Devices that require rechargeable cells or specialized chemistries (lithium, NiMH) for extended runtime or higher energy density may not perform optimally with these alkaline cells.

Key specifications

• Chemistry: alkaline
• Cell type / size: A27 / 27A (small cylindrical button-type cell)
• Pack contents: 5 individual cells
• Typical use case: low to moderate current, intermittent duty
• Storage: recommended cool, dry place to preserve shelf life

How to use

Check the device battery compartment for the correct A27/27A size and polarity markings before installation. Insert a single cell at a time, aligning the positive (+) and negative (−) ends according to the device’s contacts. Replace worn or depleted cells promptly to avoid leakage. Dispose of used alkaline batteries in accordance with local regulations or recycling programs.

What to consider before purchase

• Confirm device compatibility with A27/27A size and alkaline chemistry
• Assess whether rechargeable alternatives are preferable for frequent replacement
• Check storage conditions and expiry or manufacture date if long-term storage is planned

Usage recommendations

For best results, store unused GP A27 cells in a cool, dry place and install them one at a time to maintain integrity of remaining cells. Replace batteries in pairs or sets for devices requiring multiple cells simultaneously and avoid mixing old and new batteries to prevent reduced performance or leakage.