TOPDON's BT Mobile Lite Battery Tester is a lightweight BSC analyzer with a compact handheld design that easily fits within a toolbox. It can be connected to Bluetooth by downloading the free BT Mobile app from the Android or IOS app store. It has a test range of 100-2,000 CCA and has two LED indicators (blue for Bluetooth and green for power). Additionally, the BT Mobile Lite has three protection modes, is easy to operate, and supports multiple languages.