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Lemxily

Heavy-Duty Battery Disconnect Switch – Fits 15.5-17mm Negative Top Posts, Requires ≥4.7” Clearance – 275A 12-48V Kill Switch for Cars, RVs, Boats

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Condition: New
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$9.99 Why this price?
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FREE refund/replacement until Jan 31, 2026

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 5 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Mar 12
Order within 5 hours and 40 minutes
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Features

  • 1. Check Before Buying! Fits ONLY 15.5-17mm negative battery terminals and needs at least 4.7 inches of clearance space. Please measure to avoid installation issues.
  • 2. Quick Top-Post Installation Mounts directly to your battery without extra cables or lugs. Perfect for DIY users and beginners.
  • 3. Heavy-Duty & Reliable Flame-retardant ABS shell + solid copper connectors ensure corrosion resistance and safe long-term use.
  • 4. Strong Power Control Rated 275A continuous / 1000A cranking, works with 12V48V cars, RVs, boats, and marine applications.
  • 5. Prevent Battery Drain Disconnects unused batteries, extending battery life and improving safety during storage.

Operation Mode: ON-OFF


Current Rating: 275 Amps


Operating Voltage: 48 Volts (DC)


Contact Type: Normally Open


Connector Type: Clamp


Brand: Lemxily


Terminal: Clamp


Item dimensions L x W x H: 5.3 x 2.1 x 1.8 inches


Circuit Type: 1-way


Mounting Type: Flush Mount


Product Dimensions ‏ : ‎ 5.3 x 2.1 x 1.8 inches; 8 ounces


Date First Available ‏ : ‎ February 24, 2025


Manufacturer ‏ : ‎ Lemxily


Best Sellers Rank: #28,389 in Automotive (See Top 100 in Automotive) #59 in Automotive Replacement Battery Switches


#59 in Automotive Replacement Battery Switches:


Customer Reviews: 4.2 4.2 out of 5 stars (124)


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Battery disconnect
Just what I needed. I don't drive my pickup all the time so when it's setting I'll use the battery disconnect to keep the drain off the battery. Very easy to install if your mechanical. Works flawlessly.
Reviewed in the United States on October 2, 2025 by J G.
    • Well made but could be shorter
Great device, fit barely in my Corolla battery space, but I would suggest to the manufacturer they make it 1 inch shorter
Reviewed in the United States on April 20, 2025 by craigery
    • DC Cutoff
Works as expected and simple install
Reviewed in the United States on October 27, 2025 by TJ
    • Great for the price works well on my top post vehicles
Helps to keep vehicles that sit for a long time charge off and can be used for no start while away
Reviewed in the United States on October 17, 2025 by Amazon Customer
    • Nice but brittle cast metal
Works well but the cast brass is very brittle and will snap if you try to Snug it down
Reviewed in the United States on December 13, 2025 by Philip J.
    • Interruptor de desconeccion
Producto de muy buena calidad se adacta perfecto a mi batería fácil de instalar recomendado
Reviewed in the United States on December 17, 2025 by francisco carabaño
    • Switch not working
Switch won't turn all the way to the greeen off position. .need re&placing
Reviewed in the United States on December 15, 2025 by roy swenson
    • it works
works as advertised, made in china as usual
Reviewed in the United States on October 12, 2025 by Darrin

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