Spektrum Smart LiPo Battery Checker & Servo Tester Overview: The Spektrum Smart Battery Checker and Servo Tester is a must have tool for any pilot or driver's toolbox. This battery checker and servo tester has even more functionality than previous generations. More than a battery checker, it features a built-in cell balancer, PWM checking, a voltage checker for receivers that graphs voltage over time, integrated servo tester and driver, connections for IC2, IC3, and IC5, and Spektrum Smart battery connectivity. Spektrum Smart LiPo Battery Checker & Servo Tester Features: Battery checker with built-in cell balancing Advanced servo testing feature helps with model setup Spektrum Smart connectivity which allows users to adjust battery parameters and take advantage of all Smart Battery features Features connections for IC2, IC3, and IC5 Voltage checker for receivers that graphs voltage over time PWM checking Easy to read full-color display Silicon push buttons for responsive control USB-C power port with quick charge for compatible Android and IOS devices (up to 12V and 2A) Update port for easy access to updates and new features