Battery Voltage Saver
59,25 €
- Prevents data loss when disconnecting or replacing the vehicle battery
- Power supply via the OBD-II port or cigarette lighter
- Works with a separate 12 V back-up battery
- Fuse protects the vehicle electronics in case of incorrect use
- Includes cigarette lighter adapter with fuse
- Description
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Description
OBD2 memory saver – keeps vehicle settings via the OBD-II port or cigarette lighter during battery replacement
When the vehicle battery is disconnected, radio presets, the clock, seat and mirror settings, window end positions or control unit adaptation values are often lost. The OBD2 memory saver bridges the time without a battery: it powers the vehicle’s electrical system from a separate 12 V battery via the OBD-II port or the cigarette lighter, so stored data is retained.
How it works
- Connect the memory saver’s clamps to a charged 12 V back-up battery.
- Plug the saver into the OBD-II port, or the adapter into the cigarette lighter.
- Disconnect and replace the vehicle battery – the electrical system stays powered.
- Connect the new battery, then unplug the saver.
A good fit if you …
- replace or disconnect the battery on a 12 V vehicle
- don’t want to reset radio, comfort and control unit settings
- change batteries regularly in the workshop
Probably not for you if you …
- don’t have a separate 12 V battery – the back-up battery is not included
- work on a 24 V commercial vehicle
- want to use consumers such as lights or central locking during the battery change
What’s in the box
- 1 × memory saver with OBD-II connector and battery clamps
- 1 × cigarette lighter adapter with fuse
Good to know
- FuseA fuse in the circuit protects the vehicle electronics in case of incorrect use, for example if the clamps are swapped on the back-up battery.
- No consumersDon’t switch on the lights or operate the central locking during the battery change. Too high a load can blow the fuse in the cigarette lighter adapter.
- Replacing the fuseUnscrew the tip of the cigarette lighter adapter, replace the fuse and screw the tip back on.
- Insulate the positive leadThe disconnected positive lead of the vehicle stays live. Insulate it so it cannot touch the bodywork.
- Cigarette lighterOn many vehicles the socket is only live with the ignition on. In that case, use the OBD-II port.
Questions about the memory saver?
Tell us your vehicle – we’re happy to help.
Questions we often get
What battery do I need as a back-up battery?
A charged 12 V battery, for example a second starter battery or a jump starter with battery clamps. It is not included.
OBD-II or cigarette lighter – which is better?
On most vehicles the OBD-II port has a permanent live feed even with the ignition off. The cigarette lighter only works if it is live with the ignition off.
What should I do if the fuse has blown?
Unscrew the tip of the cigarette lighter adapter, replace the fuse and screw the tip back on.
Additional information
| Weight | 2 kg |
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