Ponzkoe

250A Smart Remote Battery Disconnect Switch 12V 24V - Quick Kill Switch for Car Anti-Theft Battery Cut Off

$37.99

62+ bought in the past month

About this item

  • 【1-Click Protection - Upgraded Heavy Duty 250A】Tap the keychain remote to immediately cut off power, thwarting potential theft and halting parasitic battery drain. Whether parked in a bustling lot or stored remotely, your car, RV, truck, trailer, ATV or marine boat remains safely guarded, particularly useful for long-term parking, anti-theft measures, car wiring changes, accidentally leaving lights on, and dealing with aging wiring. ***WARNING: PLEASE ENSURE ALL SCREWS ARE SECURELY TIGHTENED***ONLY FITS POST DIAMETER RANGE: 15-17MM (TAPERED)!!!
  • 【Dual Control Mode - Remote & Manual Convenience】Switch effortlessly between the compact remote for everyday ease and the manual ON/OFF button. The battery disconnect switch features 5 bright green LEDs that light up to confirm each action, eliminating uncertainty about your vehicle's protection status. Extend the external black spring-shaped antenna for enhanced remote range. ***EXTEND EXTERNAL BLACK STRING-SHAPED ANTENNA FOR ENHANCED REMOTE DISTANCE.!!!
  • 【Smart Voltage Guardian - 12/24V Wide Voltage Compatibility】The kill switch constantly monitors battery voltage. In smart mode, if the voltage drops below 11.4V, the remote control function is disabled to prevent accidental shutdowns. The switch operates normally within voltage ranges of 11.4-14V or 23-27V, ensuring your battery is always safeguarded. If the battery voltage is below 6.5V, the device will not function. For voltages between 6.5V and 11V, remote control is not available, but manual control is supported. ***DO NOT USE THIS BATTERY DISCONNECT SWITCH ON INDUSTRIAL EQUIPMENT!!!
  • 【Long-Lasting Performance - Ultra-Low Standby Current】With a standby current of just 0.007mA—significantly lower than the original vehicle's 65mA—this kill switch ensures your battery stays charged even during extended periods of inactivity, providing reliable long-term protection. ***PLEASE DON'T DISASSEMBLE THE DEVICE ON YOUR OWN TO AVOID DAMAGING THE CIRCUIT BOARD, WHICH MAY AFFECT THE NORMAL USE OF THE PRODUCT!!!
  • 【Premium Copper & Anti-False Contact Protection - Durable & Reliable】Crafted from high quality copper, this battery cutoff switch boasts enhanced durability and reliability. This upgraded model features enhanced accessories for a more secure installation, advanced design to prevent false contact issues, and ensures a stable, safe connection with superior, lasting performance.
$37.99

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Product details
Operation ModeON-OFF
Current Rating250 Amps
Operating Voltage12 Volts
Contact TypeNormally Closed
Connector TypeClamp
BrandPonzkoe
Switch TypeKill Switch
TerminalScrew
Circuit Type1-way
Mounting TypeSurface Mount

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Customer reviews

4.1268 ratings
  1. 563%
  2. 413%
  3. 313%
  4. 20%
  5. 113%

Customers say

Customers find the battery disconnect switch works well, with one mentioning it prevents parasitic drain issues.

★★★★★

No worry about starting issues anymore

ZJiaFebruary 11, 2026✓ Verified purchase

Honestly, this little remote switch is a lifesaver for my old car. I just press a button to cut the power when it's gonna sit for a bit—saves the battery every time. No more worrying about it being dead when I wanna take it out. Really takes the stress out of owning a classic. Read more

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★★★★★

Works great and great price.

kgfJanuary 28, 2026✓ Verified purchase

Installed this on a truck I don't drive often. Being able to disconnect the battery has been a very good thing. I don't lose all of my radio presets but I can live with that. Range on the key-fobs is good. It also has an audible beeb when turning on or off. I have this on a single battery F-350. Read more

★★★★☆

Works great

DanielDecember 20, 2025✓ Verified purchase

Works really well I love using it, my battery is in my trunk under my spare tire so I think it make the distance not be to good for the key but works well and reacts right away, my battery like is still good doesn't take up much power it makes a small noise to let u know when it turns off or on. Installing wasn't complicated and is pretty durable Read more

★★★★★

works

Mujo KrsoMarch 7, 2026✓ Verified purchase

It works great, I'm satisfied. Thank you Read more

★☆☆☆☆

Got me stranded

DHWSeptember 24, 2025✓ Verified purchase

This crap got me stranded in the middle of the road. I bought this unit to keep my battery from dying. After being gone for 6 weeks, I turned the unit on and started my car. There was a low clicking sound coming from the unit. My car hesitated to start, but it fired up after two tries. After driving 4 miles, my dashboard and my radio started flickering for a few seconds until my car finally died in the middle of a busy road. I could not even turn on my hazard lights. A few guys helped me push my car to the side, and I was able to remove this junk from it. Right after that, my car fired up without any issues. Sadly, I can no longer return this crap. I'm unsure how this product received over four stars. Read more

★★★★★

Works No (*)hit

thomas john beyerJanuary 8, 2026✓ Verified purchase

I tried two other products like this, but they did not work. I have a parasitic electrical bleed in my luxury 2004 Lincoln Town Car. I took it to the shop and was quoted approximately 5,000 dollars for labor and rewiring. At the local (*) Irestone shop. I put this product in. No more dead battery. It takes two key fobs—one to activate the relay at the battery, and then the regular key fob. I have been using it all winter so far with no problems. Easy to install. Read more

★★★★★

Great product, buy this now!

Jennifer LawrenceFebruary 3, 2026✓ Verified purchase

Super easy to install, works like a charm Read more

★★★☆☆

Well made, but check clearance or be prepared to modify to fit.

D. HarrisonAugust 18, 2025✓ Verified purchase

Too soon to comment on the durability, but it works well and has a current rating higher than competitive units, but... it's very tall. Designed to mount on top of your battery, on my truck this prevented hood from closing. Had to make some short cables so they could be relocated. Read more

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