•Support multiple devices online at the same time: just click the icon in the upper left corner to select •Support the online automatic connection of a single device: the device is connected to the battery, and the connection test can be automatically completed by clicking the "test" •Support sharing battery test result: just click sharing icon to generate report sharing •Start-up test: analyze the minimum voltage of the car's starting process, when the minimum voltage is lower than 7.5V, it will affect the car's starting. And it will analyze whether the highest voltage is higher than 13.5V, if higher than 13.5 V that indicates the generator is in normal output situation •Charging test: analyze whether the power generation output is normal through voltage and ripple voltage •Multi-languages: It is up to 13 languages ​​and product firmware can be updated anytime and anywhere Specification: •Product Name: Bluetooth Battery Tester •Model: BK100 •Voltage Range: 6V-16V •Bluetooth support system: Android 5.0 or higher/IOS 8.0 or higher systems •Application: ordinary lead-acid battery, AGM flat plate battery, AGM spiral battery, and gel battery of car/motorcycle/lawnmower/steamship Package included: •1 x Car Battery Tester •1 x English and Chinese User Manual