LED Battery Capacity Indicator with Coulometric Display for 18V 21V Lithium Battery Packs Featuring Compact Plastic Housing Black and Red Design for Industrial Test Equipment Applications

LED Battery Capacity Indicator with Coulometric Display for 18V 21V Lithium Battery Packs Featuring Compact Plastic Housing Black and Red Design for Industrial Test Equipment Applications

• [LED Coulometric Display] Features a bright LED coulometric screen for real-time, accurate monitoring of your 18V or 21V lithium battery pack’s capacity, ensuring efficient power management at a glance.
• [Stable Plastic Housing] Built with robust plastic materials for long-lasting, stable performance in various working environments; perfect for repeated industrial and personal use.
• [Effortless Installation] Designed for easy setup and user-friendly operation; simply connect to your lithium battery pack and instantly view the battery status with no complicated steps required.
• [Compact and Sleek Design] Lightweight and space-saving at just 3.8*2.6cm, with a modern black and red finish that integrates seamlessly with most industrial test equipment and electronics.
• [Wide Application Range] Fully compatible with 5S 18V/21V lithium batteries for industrial test equipment, power tools, electric vehicles, and other electronic devices; refer to YOUR SIZE CHART before installation.