--- product_id: 588874911 title: "12-48V - Battery Disconnect Main Switch for Car, Vehicle, Camper and Boat (Negative, On/Off)" brand: "ampper" price: "S$25" currency: SGD in_stock: true category: "Ampper" url: https://www.desertcart.sg/products/588874911-12-48v-battery-disconnect-main-switch-for-car-vehicle-camper store_origin: SG region: Singapore --- # 12-48V DC system compatibility 275A continuous current rating Direct negative terminal installation 12-48V - Battery Disconnect Main Switch for Car, Vehicle, Camper and Boat (Negative, On/Off) **Brand:** ampper **Price:** S$25 **Availability:** ✅ In Stock ## Summary > 🔌 Cut the power, not the adventure – stay charged, stay ready! ## Quick Answers - **What is this?** 12-48V - Battery Disconnect Main Switch for Car, Vehicle, Camper and Boat (Negative, On/Off) by ampper - **How much does it cost?** S$25 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/588874911-12-48v-battery-disconnect-main-switch-for-car-vehicle-camper) ## Best For - ampper enthusiasts ## Why This Product - Trusted ampper brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Safety Design:** Robust ABS housing ensures long-lasting protection and safe operation. - • **Powerhouse Performance:** Handles up to 275A continuous current for reliable power control. - • **Ultimate Battery Saver:** Eliminates phantom drain by fully disconnecting battery power when not in use. - • **Universal Voltage Range:** Seamlessly supports 12-48V DC systems across cars, RVs, and boats. - • **Plug & Play Installation:** No modifications needed—directly mounts on the battery’s negative top terminal. ## Overview The Ampper 12-48V Battery Disconnect Main Switch is a high-capacity, easy-to-install rotary switch designed for negative terminal mounting on standard top terminal batteries. Rated for 275A continuous current and compatible with 12-48V DC systems, it offers a durable ABS housing and a simple ON/OFF operation to safely isolate your vehicle, RV, or boat battery, preventing power drain during downtime. ## Description Top Pole Battery Disconnect Switch, 12-48V Battery Power Off Main Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off) ## Features - Convenient: Direct installation without modification, direct connection to the negative TOP terminal of the battery, no need for battery cables or additional terminals, easy insulation and securing of the electrical system - Operation: Used for DC 12-48V systems, ON/OFF 2 positions, 275A DC to DC 12V, 455A intermittent at DC 12V, 1250A momentary at DC 12V - Sturdy: ABS plastic housing, durable and designed for safe use. Extension of battery negative upper terminal to original size: standard negative top terminal (17mm cone/negative flare (-)), installation space should be checked - Compatibility: Used for standard top terminal batteries (19 mm cone/positive tip and 17 mm cone/negative tip) Can be used alone or locked with another switch - Purpose: Eliminate any battery power consumption when the vehicle or boat is not in use, disconnects the battery safely, widely used for cars, vehicles, RVs and boats. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BZCVXQ96 | | Actuator Type | Rotary | | Best Sellers Rank | #271 in Automotive ( See Top 100 in Automotive ) #1 in Car Battery Switches | | Brand Name | Ampper | | Circuit Type | 1-way | | Color | red | | Compatible Devices | Cars, RVs, Boats | | Compatible with Vehicle Type | Car, Camper, Boat | | Connectivity Protocol | X-10 | | Connector Type | Post | | Contact Material | Metal | | Contact Type | Normally Open | | Control Method | Touch | | Control Type | Binary | | Controller Type | Ring | | Country Of Origin | China | | Current Rating | 275 Amps | | Customer Reviews | 4.2 4.2 out of 5 stars (1,440) | | Included Components | Battery Switches | | International Protection Rating | IP00 | | Item Dimensions | 12.7 x 4.6 x 5.1 centimeters | | Item Weight | 6 Ounces | | Lower Temperature Rating | 70 Degrees Celsius | | Manufacturer | Ampper | | Material Type | Acrylonitrile Butadiene Styrene | | Model | Am-CBS01A | | Mounting Type | Surface Mount | | Number of Items | 1 | | Number of Positions | 2 | | Operating Voltage | 12 Volts | | Operation Mode | ON-OFF | | Part Number | Am-CBS01A | | Specification Met | CE | | Switch Type | Rocker | | Terminal | Screw | | Unit Count | 1.0 Count | | Upper Temperature Rating | 70 Degrees Celsius | | Wattage | 60000 watts | ## Product Details - **Connector type:** Post - **Contact type:** Normally Open - **Current rating:** 275 Amps - **Operating voltage:** 12 Volts - **Operation mode:** ON-OFF ## Images ![12-48V - Battery Disconnect Main Switch for Car, Vehicle, Camper and Boat (Negative, On/Off) - Image 1](https://m.media-amazon.com/images/I/61pKMfieLdL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Ampper Top Post Battery Disconnect Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off) - Battery Disconnect Switch, Malictele On/Off Side Post Battery Switch 275A 12-48V Power Cut Master Disconnect Isolator for Car Vehicle RV and Boat --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/588874911-12-48v-battery-disconnect-main-switch-for-car-vehicle-camper](https://www.desertcart.sg/products/588874911-12-48v-battery-disconnect-main-switch-for-car-vehicle-camper) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-02*