Features Large LCD Display: Battery Meter is Equipped with a large LCD screen, this device visually presents crucial battery information such as battery type, remaining power, and total voltage for easy monitoring. Comprehensive Testing Features: Intelligent Battery Meter Supports a range of functions including battery capacity detection, voltage balancing, built-in measurement, battery discharge, and ESC/Servo/PPM testing. Battery Performance Optimization: Battery Capacity Checker Aids in optimizing battery performance and extending battery life by ensuring the balance of individual battery cells, promoting efficient energy management. Battery Status Assessment: Digital Battery Meter Displays the estimated capacity and voltage of various battery types like LiPo, LiFe, Li-ion, NiMH, and NiCd, allowing for quick checks to determine if charging is needed before use. Servo Testing Capability: Cell Meter is Supports detection of wide and narrow frequency servos, enabling manual testing of servo rotation, central positioning, automatic left and right swinging, with adjustable swing speeds for precise control. 1. Equipped with a large LCD display, it can visually display the battery type, remaining power, total voltage, etc. 2. Support battery capacity detection, voltage balance, built-in , battery discharge, ESC / Servo / PPM test. 3. Helps optimize battery performance and extend the overall battery life by ensuring the balance of individual batteries. 4. Display the estimated capacity and voltage of LiPo / LiFe / Li-ion / NiMH / NiCd battery pack, and quickly check whether the battery needs to be charged before use. 5. Support the wide and narrow frequency servos detection, you can manually test servo rotation, the central position of the servo, the servo automatically swings left and right, and the swing speeds can be adjusted. Spec: Condition: 100% Item Type: Battery Meter Material: Plastic Input Voltage: 6.5V - 29.4V Function: 1. Battery Capacity Detection 2. Voltage Balance 3. Built-In 4. Battery Discharge 5. ESC / Servo / PPM Tester Product Size: Approx. 83x50x15mm / 3.3x2.0x0.6in PackageList: 1 x Battery Meter 1 x English Manual Notice: 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List 1 x Battery Meter 1 x English Manual