Rechargeable 9V Battery Voltcraft VC-16107990 550mAh

Voltcraft VC-16107990 is a rechargeable 9V battery block with 550mAh capacity designed as a direct replacement for standard 9V cells. It provides a stable nominal voltage for a wide range of small electronic devices, enabling repeated charging cycles to reduce ongoing battery purchases and waste. The battery is suitable for applications that require compact, removable 9V power sources and is intended for users who want a rechargeable alternative to disposable alkaline batteries.

Advantages

This rechargeable 9V battery offers consistent voltage output and moderate capacity in a compact block format suitable for everyday devices. Its 550mAh capacity allows for multiple operational hours in low- to medium-drain devices, and the rechargeable design reduces long-term cost compared with single-use batteries. The battery's standardized 9V form factor ensures compatibility with most devices designed for 9V cells.

Suitable for

• Smoke detectors and carbon monoxide alarms (where rechargeable cells are compatible with manufacturer guidance)
• Multimeters, test instruments and measurement equipment
• Portable radios, wireless microphones and small audio devices
• Remote controls, hobby electronics and educational kits

Key specifications

• Nominal voltage: 9 V
• Rated capacity: 550 mAh
• Cell type: rechargeable sealed battery block
• Physical format: standard 9V rectangular block
• Typical applications: low- to medium-drain portable electronics

How to use

Insert the battery into the device ensuring correct polarity alignment with the device's 9V connector. Charge the battery before first use with a charger designed for rechargeable 9V blocks or compatible battery chemistries; follow the charger's instructions for charging current and duration. Replace the battery when runtime becomes insufficient or when the battery no longer holds charge effectively. Store the battery in a cool, dry place when not in use and avoid exposing it to prolonged high temperatures.

Usage recommendations

Use a compatible charger and follow manufacturer guidance for charging cycles. Verify device compatibility with rechargeable 9V batteries—some safety devices advise against rechargeable cells. For optimum service life, avoid deep discharge cycles where possible and remove the battery from devices that will remain unused for extended periods.