--- product_id: 543942458 title: "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)" brand: "ampper" price: "RM169" currency: MYR in_stock: true category: "Ampper" url: https://www.desertcart.com.my/products/543942458-ampper-top-post-battery-disconnect-switch-12-48-v-battery store_origin: MY region: Malaysia --- # 12-48V DC system compatibility 275A continuous current rating Direct top post negative fit, no mods 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) **Brand:** ampper **Price:** RM169 **Availability:** ✅ In Stock ## Summary > 🔋 Cut the power, not the adventure—stay charged, stay ready! ## Quick Answers - **What is this?** 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) by ampper - **How much does it cost?** RM169 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/543942458-ampper-top-post-battery-disconnect-switch-12-48-v-battery) ## 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 - • **Built to Last:** Durable ABS plastic housing ensures safety and longevity in any environment. - • **Battery Guardian:** Eliminates phantom power drain when your vehicle is idle—protect your battery and avoid surprises. - • **Plug & Play Simplicity:** Directly fits your battery’s top post negative terminal—no extra cables or tools needed. - • **Powerhouse Performance:** Handles up to 275A continuous and 1250A momentary current for ultimate reliability. - • **Universal Compatibility:** Works seamlessly with 12-48V systems across cars, RVs, boats, and more. ## Overview The Ampper Top Post Battery Disconnect Switch is a heavy-duty, ABS-encased rotary switch designed for 12-48V DC systems. It supports up to 275A continuous current and fits directly onto the battery’s negative top post without modifications. Ideal for cars, RVs, and boats, it safely isolates your battery to prevent power drain during inactivity, ensuring your vehicle is always ready to go. ## Description Ampper top post battery disconnect switch, 12-48 V battery master switch disconnect isolator for car, vehicle, RV and boat Specifications: 1, Direct fit and no modifications, hook up to TOP post battery negative directly. 2, Do not need additional battery cables or lugs, isolate and secure the electrical system easily. 3, Used for DC 12 - 48 V systems, On/Off 2 positions. 4, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V. 5, ABS plastic housing, durable made for safety use. 6, Extended the top post battery negative to original size: standard top post negative (17 mm cone/tapering negative (-)). 7, Installation space should be checked before purchase. 8, Used for standard top post battery (19 mm cone/tapering positive & 17 mm cone/tapering negative). 9, Can stand alone or be locked together with other switch. 10, Eliminate any power draw from the battery when vehicle or boat is not in use. 11, Disconnects the battery safely, widely used for car, vehicle, Rv and boat. Complete kits includes: 1 x battery switch. ## Features - Convenience: direct fit and no modifications, hook up to TOP post battery negative directly, do not need additional battery cables or lugs, isolate and secure the electrical system easily. - Specification: used for DC 12 - 48 V systems, ON/OFF 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V. - Heavy Duty: ABS plastic housing, durable made for safety use. Extended the top post battery negative to original size: standard top post negative (17 mm cone/tapering negative (-)), installation space should be checked. - Compatible: used for standard top post battery (19 mm cone/tapering positive & 17 mm cone/tapering negative). Can stand alone or be locked together with other switch. - Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely, widely used for car, vehicle, Rv and boat. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BZCVXQ96 | | Actuator Type | Rotary | | Best Sellers Rank | 43,869 in Automotive ( See Top 100 in Automotive ) 130 in Car Battery Switches | | Brand | Ampper | | Circuit Type | 2-way | | Colour | Red | | Compatible Devices | Car, Vehicle, RV, Boat | | Compatible with Vehicle Type | car, vehicle, RV, boat | | Connectivity Protocol | Wi-Fi | | Connector Type | Screw Terminal | | Contact Material | Copper, Brass | | Contact Type | Normally Open | | Control Method | Touch | | Control Type | manual | | Controller Type | Mechanical knob | | Country Of Origin | China | | Current Rating | 275 Amps | | Customer Reviews | 4.2 4.2 out of 5 stars (1,450) | | International Protection Rating | IP00 | | Item Dimensions | 12.7 x 4.6 x 5.1 centimetres | | Item Weight | 6 Ounces | | Manufacturer | Ampper | | Manufacturer Part Number | Am-CBS01A | | Material | Acrylonitrile Butadiene Styrene | | Model Number | Am-CBS01A | | Mounting Type | Surface Mount | | Number of Items | 1 | | Number of Positions | 2 | | Operating Voltage | 12 Volts | | Operation Mode | ON-OFF | | Specification Met | CE | | Switch Type | Rotary | | Terminal | Screw | | Unit Count | 1.0 count | | Wattage | 60000 watts | ## Product Details - **Brand:** Ampper - **Connector type:** Screw Terminal - **Contact type:** Normally Open - **Current rating:** 275 Amps - **Item dimensions L x W x H:** 12.7 x 4.6 x 5.1 centimetres - **Material:** Acrylonitrile Butadiene Styrene - **Operating voltage:** 12 Volts - **Operation mode:** ON-OFF - **Switch type:** Rotary - **Terminal:** Screw ## Images ![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) - Image 1](https://m.media-amazon.com/images/I/61pKMfieLdL.jpg) ## 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.com.my/products/543942458-ampper-top-post-battery-disconnect-switch-12-48-v-battery](https://www.desertcart.com.my/products/543942458-ampper-top-post-battery-disconnect-switch-12-48-v-battery) --- *Product available on Desertcart Malaysia* *Store origin: MY* *Last updated: 2026-10-17*