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ZB2L3 18650 battery capacity tester
ZB2L3 18650 battery capacity tester—accurate and portable tool to measure voltage, capacity, and health of Li-ion batteries.
The ZB2L3 18650 Battery Capacity Tester is a compact and precise device designed to measure the capacity, voltage, and health of 18650 Li-ion batteries. It helps you evaluate the actual charge capacity of your batteries, detect weak or damaged cells, and ensure reliable performance for your electronics projects.
This tester is ideal for DIY battery packs, power banks, RC batteries, flashlights, and Arduino/ESP32 battery-powered devices. With a user-friendly interface, it allows you to quickly and accurately test batteries without disassembly or additional tools. Its lightweight and portable design make it perfect for hobbyists, technicians, and battery enthusiasts.

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Mini Portable Virtual Laser Projection Keyboard and Mouse Wireless Bluetooth
- Compatible with Android, iOS, Windows and Mac all kinds of operation systems that can be used with any phone, tablet, PC and laptop for a smooth and fast way of text input.
- Built-in Bluetooth for connecting to other devices without complex wired troubles
- More stable and smarter
- Can change the mini USB port to micro USB port.Â
- With mini Bluetooth speakers, which support voice reporting and music playing
- 3 in 1 Function: Laser keyboard,Mouse and bluetooth speaker
- Good touch sensitivity
- The BEEP sound and brightness can be adjusted on the laser keyboard

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