If you have any interest in electronics or remote-controlled cars, you have undoubtedly heard the term "servo tester." The Cellmeter 8 sticks out among the many options as a dependable and adaptable option. We'll go over the fundamentals of the Cellmeter 8 and how it can improve your hobbyist toolkit in this quick tutorial.

What is the Cellmeter 8?

The Cellmeter 8 is a multi-functional digital power servo tester designed for testing, monitoring, and servicing various aspects of your RC (remote-controlled) devices. It's particularly handy for hobbyists who work with RC planes, cars, boats, or any other project that involves servos and power systems.

Key Features

1. Digital Display:

The Cellmeter 8 features a clear digital display that provides real-time information about voltage, current, and capacity. This makes it easy to monitor the health of your power systems.

2. Compatibility:

This tester is compatible with a wide range of batteries, including LiPo, LiFe, Li-ion, NiMH, NiCd, and even lead-acid batteries. It can handle up to 8 cells in series for lithium batteries.

3. Servo Testing:

The Cellmeter 8 isn't just for batteries. It can also function as a servo tester, allowing you to check the functionality and range of motion of your servos.

4. User-Friendly Interface:

With a straightforward interface, this tester is easy to use. The buttons on the front panel allow you to navigate through various functions and settings.

5. Compact and Portable:

The compact size of the Cellmeter 8 makes it easy to carry in your toolkit. Whether you're at the flying field or working on a bench, it's a convenient tool to have on hand.

How to Use the Cellmeter 8

  1. Power On: Connect your battery to the Cellmeter 8, and power it on. The digital display will show key information about your battery.

  2. Servo Testing: If you want to test a servo, simply connect it to the designated port on the tester. You can then use the buttons to adjust the servo's position and check its responsiveness.

  3. Navigate Settings: Explore the different settings using the intuitive interface. You can set alarms, view individual cell voltages, and more.

  4. Monitor Charging: The Cellmeter 8 is also handy for monitoring battery charging. Connect it to your battery during the charging process to keep an eye on voltage and capacity.


An invaluable tool for any RC fan or electronics hobbyist is the Cellmeter 8. It is essential for testing and keeping track of batteries and servos due to its portability, small size, and intuitive interface. Whether you're new to RC or an experienced hobbyist, the Cellmeter 8 will undoubtedly become a valuable addition to your collection.

The Cellmeter 8 is a compact gadget with a ton of features that will improve your RC experience!