6V 12V 24V Battery Tester Automotive Battery Monitor​​ Bluetooth 5.3 Real-Time

12v battery battery tester bluetooth monitor real tester time

???? Daily battery level and abnormal alarm notification. ● Monitor multiple device on your phone. ● Easy to install on battery. Use double-sided tape to attach the device to the battery case. 1 ancel BM300 PRO battery test.