--- product_id: 80308721 title: "Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems" brand: "keenso" price: "AR$112867" currency: ARS in_stock: true category: "Keenso" url: https://www.desertcart.com.ar/products/80308721-keenso-voltage-sensitive-relay-battery-isolator-dual-intelligent-isolation-125a store_origin: AR region: Argentina --- # 140A heavy-duty current capacity Zero voltage loss vs diode isolators Flexible panel or surface mount installation Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems **Brand:** keenso **Price:** AR$112867 **Availability:** ✅ In Stock ## Summary > 🔋 Keep your dual batteries in perfect harmony—never get stranded again! ## Quick Answers - **What is this?** Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems by keenso - **How much does it cost?** AR$112867 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/80308721-keenso-voltage-sensitive-relay-battery-isolator-dual-intelligent-isolation-125a) ## Best For - keenso enthusiasts ## Why This Product - Trusted keenso brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Fiberglass reinforced nylon housing ensures rugged durability and abrasion resistance for long-term reliability. - • **Effortless Installation:** Choose panel or surface mount options for seamless integration in any vehicle setup. - • **Universal Compatibility:** Perfect for trucks, cars, motorcycles, boats, RVs, generators, and solar systems—your all-in-one battery isolator. - • **Powerhouse 140A Capacity:** Handles high current loads effortlessly for all your dual battery needs. - • **Smart Voltage Sensitivity:** Automatically isolates batteries at 12.8V and combines charging at 13.3V for optimal power management. ## Overview The Keenso Voltage Sensitive Relay is a 12V, 140A dual battery isolator designed for professional-grade power management in vehicles and solar systems. Featuring zero voltage loss, flexible mounting options, and a durable fiberglass reinforced nylon build, it ensures reliable automatic battery isolation and charging. Ideal for trucks, boats, RVs, and more, it guarantees your secondary battery stays charged without draining your starter battery. ## Description Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems : desertcart.co.uk: Automotive ## Features - 【Easy Installation】The 12V VSR voltage sensitive relay with or panel mount options, which provides flexibility during installation. No voltage loss compared to battery isolator diodes (0.6V). Combined/Open Voltage: DC 13.3V/12.8V - 【140 Amp Dual Battery Isolator Smart Isolator】 The voltage sensitive relay of the dual battery isolator is all you need to battery systems. Its dimensions fit heavy-duty modular boxes (BF43X) and battery switches, which correspond to common products on the market. - 【Premium Quality】The voltage sensitive charging relay is made of fiberglass reinforced nylon, sturdy and It is not easy to age and abrasion resistant, ensures maximum strength and durability for long lasting use. - 【IDEAL FOR DUAL BATTERY VEHICLES】140A 12V Voltage Sensitive Split Relay Kit (VSR) is the best way to ensure that you can always start your dual battery vehicle. Once your main starter battery is sufficiently charged, it will start charging the second battery. - 【WHAT YOU WILL GET】We stand behind all our items with a product guarantee and are committed to providing you with the best customer service. If you have any problem about the voltage sensitive separator relay, please contact us by email, we will try our best to reply you within 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07H9YTL86 | | Best Sellers Rank | 418,763 in Automotive ( See Top 100 in Automotive ) 1,721 in Car Relays | | Brand | Keenso | | Coil Voltage | 12 Volts | | Connector Type | Screw | | Contact Current Rating | 140 Amps | | Contact Material | Copper | | Contact Type | Normally Open | | Country Of Origin | China | | Current Rating | 125 Amps | | Customer Reviews | 4.4 4.4 out of 5 stars (80) | | Item Weight | 231 g | | Manufacturer | Keenso | | Manufacturer Part Number | Keenso3qbp5t80ug | | Maximum Switching Voltage | 12 Volts | | Model Number | Keenso3qbp5t80ug | | Mounting Type | Surface Mount | | Number of Terminals | 3 | | Operation Mode | Automatic | | Specification Met | CE IP67 | | UPC | 792117030956 | ## Product Details - **Connector type:** Screw - **Contact material:** Copper - **Contact type:** Normally Open - **Current rating:** 125 Amps - **Mounting type:** Surface Mount ## Images ![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 1](https://m.media-amazon.com/images/I/411NYoWtX2L.jpg) ![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 2](https://m.media-amazon.com/images/I/41AMd74gp9L.jpg) ![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 3](https://m.media-amazon.com/images/I/41rawSedh2L.jpg) ![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 4](https://m.media-amazon.com/images/I/51MP8UlBKTL.jpg) ![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 5](https://m.media-amazon.com/images/I/51g0NZv7fkL.jpg) --- ## 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.ar/products/80308721-keenso-voltage-sensitive-relay-battery-isolator-dual-intelligent-isolation-125a](https://www.desertcart.com.ar/products/80308721-keenso-voltage-sensitive-relay-battery-isolator-dual-intelligent-isolation-125a) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-24*