Good news for those who replace the car battery themselves!
　When replacing the car battery, removing the battery may reset the car clock and car audio / navigation settings.
It is an item to prevent them.

This is a must-have item when replacing the battery of a car!
Car digital clock Navi registration point, such as radio stations
prevent the setting and memory loss, launched the "memory keeper"

backup power source used at the time of battery replacement
● power: use the AAA batteries × 6 (not included)
● 3 Two LED indicator displays, visually understandable, battery replacement work can be done with peace of mind
　 1. Battery level
　 2. Connector connection status
　 3. Backup status
● OBD2 connector connection allows easy and reliable power supply!
It does not interfere with the car battery replacement work!

● By supplying power from this product when replacing the battery of a car, you can protect the memory of the clock, navigation, audio, etc. installed in the car.
● Use the OBDII OBD2 connector inside the vehicle to connect to the vehicle. It can be used easily and reliably without interfering with the battery attachment / detachment work.
● Equipped with three easy-to-read LED indicators, you can check the operating status of this product, so you can replace the battery with confidence.