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🔋 Twist, Disconnect, and Conquer Your Battery Power!
The Ampper Top Post Battery Disconnect Switch is a robust 12V, 125A-rated kill switch designed for quick and easy battery isolation on vehicles with 15-17 mm cone negative posts. Featuring a corrosion-resistant brass and stainless steel build, this knob-type switch prevents power drain and enhances safety for cars, RVs, boats, and electrical equipment. Its simple twist operation and optional locking capability make it a must-have for proactive battery management and security.








| ASIN | B07JYYXJH7 |
| Best Sellers Rank | #21,410 in Automotive ( See Top 100 in Automotive ) #50 in Automotive Replacement Battery Switches |
| Brand Name | Ampper |
| Circuit Type | 2-way |
| Color | Top Post |
| Compatible Devices | Car, Vehicle, RV, Boat, Electrical Equipment |
| Compatible with Vehicle Type | Compatible for Car, Vehicle, RV and Boat |
| Connectivity Protocol | X-10 |
| Connector Type | Clamp |
| Contact Material | Stainless Steel |
| Contact Type | Normally Open |
| Control Method | Touch |
| Control Type | Power Supply Control |
| Current Rating | 125 Amps |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,120) |
| International Protection Rating | IP65 |
| Item Dimensions | 3.3 x 1.5 x 1.5 inches |
| Item Weight | 4.4 Ounces |
| Manufacturer | Ampper |
| Material Type | Brass |
| Model | Am-CBS21 |
| Mounting Type | Panel Mount |
| Number of Positions | 2 |
| Operating Voltage | 12 Volts |
| Operation Mode | ON-OFF |
| Part Interchange Info | metal |
| Part Number | Am-CBS21 |
| Specification Met | UL |
| Switch Type | Kill Switch |
| Terminal | Top Post |
| Unit Count | 1 Count |
| Wattage | 1500 watts |
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