- Essential Tool for RC Enthusiasts: This digital battery capacity tester is crucial for 4WD RC car users, enabling precise monitoring of battery health and performance during operation. - Comprehensive Testing Features: Capable of testing lithium polymer, lithium iron, and lithium ion batteries, this device provides detailed measurements including individual cell voltage, total voltage, minimum and maximum cell voltage, voltage difference, and remaining capacity percentage. - Durable Construction: Made from high-quality plastic and metal composite materials, this battery tester is designed to endure the demanding conditions of RC activities, ensuring longevity and reliable performance. - User-Friendly Display: The 2.1-inch screen presents all battery parameters clearly, allowing for quick assessment of your RC car battery status before and after use. - Practical Applications: - Ideal for pre-race checks to ensure optimal battery performance and longevity. - Perfect for hobbyists who regularly maintain multiple batteries, helping to track and manage battery health efficiently. - Useful for diagnosing battery issues, allowing users to identify problems quickly and avoid unexpected failures during operation.