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🔋 Cut the noise, not the power—master your battery with confidence!
The FASTSTORM 12-48V Master Battery Disconnect Switch is a heavy-duty, silent-operating power cutoff isolator designed for vehicles and solar systems. Rated for 300A continuous current and built with rugged aluminum alloy, it ensures reliable battery isolation to prevent drain, electrical fires, and accidental discharge. Easy to install in minutes with universal compatibility, it’s the ultimate safeguard for cars, RVs, boats, and off-road vehicles, backed by a 1-year warranty.













| ASIN | B0FP22L3XP |
| Best Sellers Rank | #7,738 in Automotive ( See Top 100 in Automotive ) #17 in Automotive Replacement Battery Switches |
| Brand | FASTSTORM |
| Brand Name | FASTSTORM |
| Color | 300A Heavy Duty Battery Switch w/ Bracket |
| Connector Type | Clamp |
| Contact Type | Normally Open |
| Current Rating | 300 Amps |
| Customer Reviews | 5.0 out of 5 stars 1 Review |
| Item Dimensions | 4.7 x 3 x 3.2 inches |
| Manufacturer | FASTSTORM |
| Material Type | Aluminum, Copper |
| Model | 105512 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Operating Voltage | 12 Volts (DC) |
| Operation Mode | ON-OFF |
| Part Number | 105512 |
| Specification Met | CE |
| Terminal | Screw |
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