Button cell battery Panasonic VL1220 — 3V, 7 mAh coin battery for watches and small electronics

Panasonic VL1220 is a 3V button cell coin battery with a nominal capacity of 7 mAh, designed for low-drain portable devices. Its compact round form factor and stable output voltage make it suitable for precise timekeeping and low-current electronics. The cell is produced to provide reliable performance over long shelf life, making it a practical choice for replacements and spare power in small gadgets.

Advantages

The battery offers a steady 3V output across a range of low-drain applications and a small physical size that fits common coin-cell compartments. Its nominal 7 mAh capacity is optimized for devices that require continuous low current rather than high peak power. The chemistry and manufacturing of this Panasonic cell support long shelf life and consistent voltage delivery during typical usage patterns.

Suitable for

• Watches and timepieces
• Car key fobs and remote controls
• Calculators and small electronic toys
• Medical devices with low power requirements (e.g., some glucose meters, hearing aid accessories where specified)
• Backup memory and real-time clock modules in small electronics

Key specifications

• Nominal voltage: 3 V
• Nominal capacity: 7 mAh
• Cell type: button/coin cell
• Intended use: low-drain portable electronics
• Form factor: compact round coin shape suitable for coin-cell holders
• Typical applications: timekeeping, low-current backup power, small remotes

How to use

Install the battery according to the polarity markings in the device holder, ensuring the correct orientation of the positive and negative terminals. Use a clean, dry tool or finger to place the cell in the compartment, avoiding metal tools that could short the terminals. After installation, confirm the device operates as expected. Replace the battery once device performance indicates low voltage, following the device manufacturer's guidance for safe replacement and disposal.

Recommendations

Store unused cells in a cool, dry place and avoid exposure to high temperatures or humidity. Do not attempt to recharge, disassemble, or subject the battery to crushing or short-circuiting. Keep out of reach of children and seek immediate assistance if a battery is swallowed. Recycle or dispose of used batteries in accordance with local regulations.