Search  for anything...
Spartan Power

Spartan Power Battery ON/Off Disconnect Switch 300A - Ignition Protected, Heavy Duty Cutoff Switch for RV, Marine, and Automotive Battery - 12V to 48V - Red

  • Based on 136 reviews
Condition: New
Checking for product changes
$28.49 Why this price?
Save $1.50 was $29.99

Buy Now, Pay Later

As low as $7 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

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.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: In Stock.
Fulfilled by Amazon
Arrives Friday, May 16
Order within 8 hours and 26 minutes
Available payment plans shown during checkout

Recently Viewed

Size: 300A ON/OFF (RED)


Color: Red


Features

  • Save Your Battery: The Spartan Power On/Off Battery Switch prevents any current from being drawn from the battery when your RV, van, boat, or car is not in use; Disconnect your battery safely and extend its life!
  • Ignition Protected: Our switch has a crank rating that withstands 900A for 30 seconds, 500A for 5 minutes, and 300A continuously, protecting against fluctuations in current during ignition
  • Simple, 2 Position Design: Our simple design is easy to read and to operate, simply turn the knob to either the On or Off position, and a satisfying click will let you know it's changed
  • Giving Power to The People: Helping people arm themselves with the right tools and accessories, Spartan Power manufactures ultra-high quality, durable, and heavy duty products; Trusted by professionals, enthusiasts, and DIYers everywhere

Operation Mode: Off,On-off


Current Rating: 300 Amps


Connector Type: Screws


Brand: Spartan Power


Terminal: Marine


Item Dimensions LxWxH: 3.25 x 3.25 x 3.6 inches


Mounting Type: Panel Mount


Actuator Type: Rotary


Contact Material: Copper


International Protection Rating: IP54


Product Dimensions ‏ : ‎ 3.25 x 3.25 x 3.6 inches; 9.88 Ounces


Item model number ‏ : ‎ SP-BS300A-RED


Date First Available ‏ : ‎ March 31, 2022


Manufacturer ‏ : ‎ Spartan Power


Best Sellers Rank: #17,106 in Automotive (See Top 100 in Automotive) #30 in Automotive Replacement Battery Switches


#30 in Automotive Replacement Battery Switches:


Customer Reviews: 4.6 4.6 out of 5 stars 136 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 16

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.

Similar Products

Top Amazon Reviews

    • GOOD STURDY CONSTRUCTION
Size: 300A ON/OFF (RED) Color: Red
Nice sturdy switch! Only con is that the coverings on the housing must be broken off in order to route the cable into the switch. That means be careful you get the orientation right the first time and if you ever want to use the switch in a different wiring configuration, you might have open sides without plastic coverings. ... show more
Reviewed in the United States on October 16, 2023 by Critical Thinker
    • Good basic switch.
Size: 300A ON/OFF (RED) Color: Red
This is a good simple, marine or automotive grade switch. My only complaint is that it only has dust or water panels on three sides. The fourth side is left wide-open to dust or water sprayer. Whatever. Switches like this generally have all four sides and closed and you cut notches around the cables as tightly as possible to help keep out water and dust, etc., I returned the first one thinking there was something missing yet the second one came exactly the same with one side of the switch wide-open to the elements ... show more
Reviewed in the United States on September 23, 2023 by W. Waite
    • Very good quality
Size: 300A ON/OFF (RED) Color: Red
Great switch. Works very well, nice lugs for heavy ga wire and screws for mounting included.
Reviewed in the United States on October 16, 2023 by Mark
    • It was well made
Size: 300A ON/OFF (RED) Color: Red
Solar
Reviewed in the United States on October 6, 2023 by Gordon Willis
    • Good quality
Size: 300A ON/OFF (RED) Color: Red
Used on two of my boats
Reviewed in the United States on August 30, 2023 by RUSSELL JONES
    • Shipped fast
Size: 300A ON/OFF (RED) Color: Red
The fit was perfect for my application. Shipped fast.
Reviewed in the United States on August 14, 2023 by eds
    • Solid but very large
Size: 300A ON/OFF (RED) Color: Red
NIce device but it was too large to use in my teardrop camper as a battery isolation switch
Reviewed in the United States on May 19, 2023 by Timothy M Dalrymple
    • Great purchase!
Size: 300A ON/OFF (RED) Color: Red
Got this to work with my power inverter in my camper van build! Easy way to disconnect the power to my inverter for any reason such as servicing etc… I’d definitely recommend purchasing one!
Reviewed in the United States on July 6, 2023 by Grace J

Can't find a product?

Find it on Amazon first, then paste the link below.