Keep it powered. Keep it parking.
Your P-DISC will let you know when the battery runs low. Here's everything you need to know about battery life and how to replace it.
P-DISC NO4
About the battery
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✓Uses 2 × CR2450 3V lithium batteries. Only one is needed to operate — the second slot extends battery life.
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✓Need new batteries? Buy battery for P-DISC NO4
Battery life
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✓Up to 3 years, depending on usage frequency.
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✓Cold temperatures can affect performance, but the device returns to full functionality once the car warms up.
Low battery warning
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✓About one month before the battery runs out, the P-DISC flashes red at the start and end of parking and emits a warning sound.
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✓A low battery symbol also appears on the display.
Replacing the battery
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1
Pull the P-DISC NO4 off the magnets on the car glass.
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2
Hold the P-DISC NO4 in one hand with the display facing the palm.
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3
Insert a fingernail into the gap beneath the (O) button to loosen and remove the rear plastic cover.
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4
Pull out the battery cap.
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5
Replace the CR2450 batteries one at a time and reattach the cover.
P-DISC NO3
About the battery
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✓The P-DISC NO3 runs on solar energy. When there's no sunlight, it draws power from 2 × CR3032 batteries.
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✓The device cannot operate without batteries when there's no sunlight — replace them before they run out.
Battery life
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✓Up to 5 years, depending on usage and sunlight exposure.
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✓Cold temperatures can affect performance, but the device returns to full functionality once the car warms up.
Low battery warning
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✓About one month before the battery runs out, the P-DISC flashes red at the start and end of parking and emits a warning sound.
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✓A low battery symbol also appears on the display.
Replacing the battery
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1
Pull the P-DISC NO3 off the magnets on the car glass.
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2
Hold the P-DISC NO3 in one hand with the display facing the palm.
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3
Insert a fingernail into the gap beneath the (O) button to loosen and remove the rear plastic cover.
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4
Pull out the battery cap.
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5
Replace the CR3032 batteries one at a time and reattach the cover.
P-DISC NO2
About the battery
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✓Uses 2 × CR2450 3V lithium batteries. Only one is needed to operate — the second slot extends battery life.
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✓Need new batteries? Buy battery for P-DISC NO2
Battery life
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✓Up to 24 months, depending on usage frequency.
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✓Cold temperatures can affect performance, but the device returns to full functionality once the car warms up.
Low battery warning
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✓A low battery icon appears on the display, and the P-DISC flashes red and emits a sound every time you start and stop the car.
Replacing the battery
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1
Pull the P-DISC NO2 off the magnets on the car glass.
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2
Hold the P-DISC NO2 in one hand with the display facing the palm.
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3
Insert a fingernail or small flat object into the crack near the (</>) or (O) icon to loosen the battery cap.
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4
Pull out the battery cap.
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5
Replace the CR2450 batteries one at a time and remount the cap. Always keep one battery in the P-DISC while replacing to avoid having to reset the time and date.
P-DISC NO1 / GO
The P-DISC GO (available in Germany) is the P-DISC NO1 with a plastic cover - it uses the same battery.
About the battery
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✓Uses 1 × CR2450 3V lithium battery. Available in most hardware stores.
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✓Need a new battery? Buy battery for P-DISC NO1 / GO
Battery life
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✓Up to 12 months, depending on usage frequency.
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✓Cold temperatures can affect performance, but the device returns to full functionality once the car warms up.
Low battery warning
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✓A low battery icon appears on the display, and the P-DISC emits a sound every time you start and stop the car.
Replacing the battery
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1
Pull the P-DISC NO1 off the magnets on the car glass.
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2
Hold the P-DISC NO1 in one hand with the display facing the palm and the "CE" engraving closest to you.
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3
Insert a fingernail or small flat screwdriver into the crack just below the "CE" and waste bin engraving to loosen the battery cap.
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4
Pull out the battery cap.
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5
Replace with a new CR2450 battery and reinsert the cap.