Power Backup-9V dry cell

Model ：VAT-331

Available with 9V battery button version
Avoid setting disappearance due to battery replacement!

Simple and convenient, with protection circuit inside, suitable for all types of cars!

PowerBackup-9V battery button version
There is no need to worry about the disappearance of the computer record when replacing the battery, eliminating the trouble of resetting. It supports the use of OBD2 in any car type. Cars without OBD2 can also use the cigarette lighter adapter. Built-in protection circuit can avoid damage caused by reversed battery polarity.