The Frienda Battery Tester with Alarm is a must-have tool for anyone who wants to keep their batteries in top condition.

With its practical features, this device makes it easy to check battery capacity and voltage levels, ensuring that your batteries are always functioning at their best.

The alarm function comes in handy when the battery level drops below 20%, providing an early warning so you can take action. The Frienda Battery Tester with Alarm is designed with a clear LCD digital display, making it easy to read the results from different angles.

It also has a low working power consumption and max of 5mA, ensuring that your battery lasts longer.

The device is compatible with various types of batteries, including 12V/24V/36V/48V/60V/72V/84V acid batteries, ternary lithium batteries, polymer lithium-ion batteries, and more. Whether you're using it for personal or professional purposes, the Frienda Battery Tester with Alarm is a reliable tool that can save you time and money in the long run.

Its wide range of applications makes it suitable for use in different settings, including homes, offices, gardens, and more.

With its compact size and lightweight design, this device is easy to carry around and store when not in use. Don't let your batteries drain unexpectedly - get the Frienda Battery Tester with Alarm today!