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Top Post Battery Disconnect Switch, 275A 12-48 V Battery Cut Off Switch Easy Installation Battery Kill Switch for Car Vehicle Boat and RV, Negative On/Off

Top Post Battery Disconnect Switch, 275A 12-48 V Battery Cut Off Switch Easy Installation Battery Kill Switch for Car Vehicle Boat and RV, Negative On/Off

$15.99

Confirm quantity, package contents, selected variation, current offer details, and store terms before placing the order.

About this item

  • Convenient: The battery disconnect switch 12v is installed directly without modification, directly connected to the negative top post of the battery, without additional battery connection wires or wiring lugs, easily isolate and fix the electrical system
  • Working parameters: Battery cut off switch 12v is suitable for DC 12-48V system, with on/off function. When the working voltage is 12V, the continuous working current is 275A
  • Durable: The main body of battery shut off switch 12v is made of high-quality flame-retardant ABS material, not afraid of sparks. The metal connection part is made of high-quality brass castings, which is sturdy and durable, with high conductivity and long service life
  • Suitable for most standard top post batteries: This top post battery disconnect switch is suitable for standard top post batteries (negative pole is 15.5-17mm), the rv battery disconnect switch is suitable for a variety of vehicles, including cars, trucks, RVs and ships
  • Note: This battery kill switch 12v is designed for 15.5-17mm negative battery terminals. Attempting to use it on terminals outside this size range may cause connection failure. Do not force it onto terminals larger than the specified size. Always put the switch in the “off” position before disconnecting and connecting the motor to the battery. Operation under load may damage the battery switch. Operation under load may damage the battery switch

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.
SKU: D-B0FDB33478 Category:

Description

Brand: YUEWEESER
  • Product Dimensions
    ‏
    :
    ‎
     5 x 3 x 0.5 inches; 1 ounces
  • Item model number
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    :
    ‎
     YY01-brass battery on/off
  • Date First Available
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    :
    ‎
     June 16, 2025
  • Manufacturer
    ‏
    :
    ‎
     YUEWEESER
  • ASIN
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    :
    ‎
     B0FDB33478
  • Country of Origin
    ‏
    :
    ‎
     China
  • Best Sellers Rank: #1,068,628 in Automotive (See Top 100 in Automotive)
    • #725 in Automotive Replacement Battery Switches

Product name: battery disconnect switch 12v

Operating voltage: 12-48V

Working current: 275A

Mode: ON-OFF

Material: ABS and brass

Package includes:

1 x battery cut off switch 12v

Features:

1. Direct installation, no modification required, directly connected to the negative top post of the battery.

2. ABS plastic shell, durable, safe and reliable.

3. Suitable for standard battery top post (negative pole 15.5-17mm).

4. Widely used in automobiles, ships, RVs, campers and other electrical equipment.

Note:

1.Due to manual measurement, the size and weight may have a certain error.

2.Due to the difference between different monitors, there may be a slight color difference existed.

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Product facts

Specifications

Canonical product
MP-US-B0FDB33478
Source product ID
B0FDB33478
Category
Replacement Parts / Batteries & Accessories / Battery Accessories / Battery Switches
Available images
6

No structured vehicle fitment data is available. Compare the listing with the vehicle and existing part before ordering.

Exact identity, part numbers, model references, and available compatibility evidence

Buying guidance

Quick decision

An identity-first battery switches listing organized around stable product references and available compatibility evidence.

Fit and size notes

  • Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
  • Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.

Specification notes

  • Canonical product: MP-US-B0FDB33478
  • Source product ID: B0FDB33478
  • Category: Replacement Parts / Batteries & Accessories / Battery Accessories / Battery Switches
  • Available images: 6

Before you buy

  • Match the complete identifier, side, position, connector, dimensions, and visible design with the existing part.
  • Treat uncertain vehicle notes as a buying aid, not as a confirmed fitment guarantee.

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