BT30 Supply power to the car ECU via theOBD diagnostic interface to ensure datawill not be lost during battery replacement. BT30 OBDII 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, preventing vehicle data loss and saving the time & Money and effort of re-coding systems.

Features: Avoid information loss when the car computer blackout. Good helper for changing car battery. Maintain the car computer memory:dashboard information, digital clock, acoustics, memory seats, ABS, anti-skid system, electric reviewer mirror. Save time, improve efficiency.

OBDII Memory Saver The dual digital display battery change tool can retain the dashboard information, audio, storage seat, digital clock, etc. of the car computer. It will not change the speaker and the anti-theft device will not be jammed and will not display a fault code. Retaining the vehicle code and electronic presets can prevent information loss when the on-board computer is powered off. Save time and high efficiency, it is a good helper to replace car battery. By OBD diagnostic directly connected to the car computer, normal battery with a red light, after insert car OBD plug drops drops sound, with a 12V battery power supply, the absolute in battery car computer Settings don't lost memories.

Compared by most of OBD metal pins in market with zinc plating, ours are gold plating. Better reliable on contact and electric transmission. Compared with most of the cables in the market, ours is made of high quality copper wire, silicone flame-retardant cable, which is flexible, wear-resistant, not easy to burn and durable. Red clip plug to red,black clip plug to black,(reverse will be torched cars computers) After the red light on，insert the car OBD plug Plug connection regular，which would make a noise

Specification: Material: plastic Color: black + red Cable length: 750mm/29.52in Gross weight: 145g