Button cell battery Varta V80H‑SLF++/- 80 mAh 1.2 V rechargeable

Varta V80H‑SLF++/- is a rechargeable button cell battery with a nominal voltage of 1.2 V and a rated capacity of 80 mAh. It is designed for compact electronic devices that require a low‑voltage, rechargeable power source. The cell delivers a stable output suitable for precision equipment and portable electronics where repeated charging and long service life are important.

Advantages

The battery offers consistent voltage under light to moderate loads and supports multiple charge–discharge cycles, reducing the need for frequent replacement compared with single‑use primary cells. Its small cylindrical button form factor provides compatibility with compact device housings, while rechargeable chemistry lowers long‑term operating costs and waste. The construction ensures stable performance at typical room temperatures and during normal device operation.

Suitable for

• Watches and timekeeping devices
• Medical instruments with low power draw (e.g., hearing aids, glucose monitors)
• Small sensors and transmitters
• Portable consumer electronics and remote controls

Key specifications

• Nominal voltage: 1.2 V
• Typical capacity: 80 mAh
• Form factor: button cell (compact, low‑profile)
• Chemistry: rechargeable cell suitable for repeated charge–discharge cycles
• Intended use: low‑current applications in compact devices

How to use

Install the Varta V80H‑SLF++/- in the device according to the polarity markings, ensuring correct orientation and secure contact with the device terminals. Charge the cell using a charger compatible with low‑voltage rechargeable button cells and follow the charger manufacturer’s instructions for current and charge time. Avoid charging in high humidity or extreme temperatures. For long‑term storage, keep the battery in a cool, dry place and follow standard safety practices for rechargeable batteries.

Recommendations

Use a charger designed for rechargeable button cells and monitor charging time to avoid overcharging. Replace cells in matched sets when used in multi‑cell packs and observe device manufacturer guidance on acceptable cell types and voltages. Dispose of or recycle spent batteries according to local regulations to minimize environmental impact.