9V Battery Eliminator Power Supply Adapter, 5V USB to DC Converter Cord Replace 6F22 for Multimeter, Microphone, Smoke Alarm, Toys, Guitar Pedal

Continuous Power Solution: Ditch disposable batteries forever with this USB power adapter; simply connect to any standard 5V USB port like a phone charger, power bank, or laptop for endless 9V operation Universal Compatibility: Designed with a standard 9V style connector (male positive, female negative) to seamlessly replace a 6F22 battery in a wide range of devices including digital multimeters, handheld microphones, smoke alarms, and electronic toys Cost-Effective & Eco-Friendly: Save money on constantly buying new 9V batteries and reduce environmental waste by powering your gear directly from the grid or a portable power source, making it perfect for workbenches and home use Easy Plug-and-Play Setup: No tools or modifications required; just plug the USB end into a power source and the 9V connector into your device for instant, reliable power whenever you need it Important Usage Note: This is a power supply cable designed to replace a battery for operation, not a battery charger; do not attempt to use it to recharge non-rechargeable 9V batteries