Add to favorites
FASTSTORM 300A 12V 48V Battery Disconnect Switch with 2GA Cable Side Post Mounting Bracket High Current Battery Cut Off Heavy Duty Master Switch for Car Boat RV ATV UTV Vehicles by FASTSTORM - Used condition

FASTSTORM 300A 12V 48V Battery Disconnect Switch with 2GA Cable Side Post Mounting Bracket High Current Battery Cut Off Heavy Duty Master Switch for Car Boat RV ATV UTV Vehicles — Open-Box, 14% Off

Brand: FASTSTORM

Condition: Used - VeryGood
$2824
$3299
-14% Save $475
Updated: 10 days ago

Description

【Zero-Noise Safety Guardian】 Our 12V battery disconnect switch used for 12-48 VDC systems to isolate and secure the electrical system, operates silently with no humming or buzzing, ensuring peace of mind while maintaining ultimate protection. It instantly cuts power to prevent battery drain, electrical fires, and accidental discharge – perfect for cars, RVs, boats, and solar systems

【300A Heavy-Duty Power disconnect switch 】 Engineered for extreme conditions, this rugged aluminum alloy switch design withstand saltwater, vibration, handles 300A continuous/1000A intermittent duty. Built to thrive in marine, off-road, and solar environments, it delivers unmatched durability for ATVs, trucks, UTVs, and solar panel arrays

【3-Minute Hassle-Free Install】 Pre-drilled holes and universal 12V compatibility let you secure your electrical system in minutes –Step 1: Disconnect the battery and choose the negative cable; Step 2: Choose the proper mounting position for the switch; Step 3: Connect the positive and negative cables ( DO NOT ATTACH AT THE SAME TIME to shut off the switch ), then install the switch; Step 4: Reconnect the battery and check for correct operation

【Battery Life Defender】 Eliminates parasitic drain by 100% isolating batteries during storage. Protect your RV/marine battery from winter kill or theft while preserving power for emergency starts. Battery Power Shut Off Switch features clear ON/OFF markings and an audible click for confident operation

【Buy with confidence】 This battery disconnect switch comes complete with a 1-Year warranty. If the shut-off switch ever fails on your ATVs, Trailers, Off-road, RVs, Trucks, Heavy Vehicle, UTV, Boats, Cars during this period, please feel free to contact us for a replacement. Save time and money by purchasing this part, replacing them by yourself within minutes.

Material: 100% Copper terminal post Aluminum housing Rated Current: 300A Crack Current:1000A Intermittent Voltage: DC 12V / 24V / 48V Mounting: 3/4'' hole Operation: On / Off

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0fp28f1cm
Model:
105522
Country:
US
ASIN:
B0FP28F1CM

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $5 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for FASTSTORM products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

More open-box deals

Updated daily from Amazon, Reebelo, and Dyson.

Sign in to save items

Save favorites and get alerts when prices drop.

or

We'll email you a link to sign in instantly — no password needed.