Autel MaxiBAS BTMS battery tester memory saver is a polarity-protected cable that attaches to a 12 Volt backup battery to provide power via the OBDII/EOBD port to onboard electronics while the vehicle' s battery is disconnected.
When replacing the battery, the Autel OBDII Memory Saver protect vehicle codes and electronic presets to prevent vehicle data loss and save time and effort on re-coding systems.
Autel MaxiBAS BTMS enables the vehicle' s computer to be powered, and it helps to maintain data when connected to vehicle' s backup battery.
You can connect the battery tester memory saver to the vehicle via OBDII, and connect the 12 volt battery with alligator clips.
Autel BTMS comes with surge protection and you can see the power supply status from three LEDs. If you have any question about the product, please feel free to contact mobobaohe@163. Com.