--- product_id: 558479334 title: "Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat" brand: "heart horse" price: "103589CFA" currency: XOF in_stock: true reviews_count: 13 category: "Heart Horse" url: https://www.desertcart.sn/products/558479334-heart-horse-3m-split-charge-relay-kit-12v-140amp-smart store_origin: SN region: Senegal --- # 140A high current capacity IP68 waterproof & dustproof Dual battery smart isolator Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat **Brand:** heart horse **Price:** 103589CFA **Availability:** ✅ In Stock ## Summary > 🔌 Power Twice as Nice: Charge Smarter, Drive Further! ## Quick Answers - **What is this?** Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat by heart horse - **How much does it cost?** 103589CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/558479334-heart-horse-3m-split-charge-relay-kit-12v-140amp-smart) ## Best For - heart horse enthusiasts ## Why This Product - Trusted heart horse brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rugged IP68 Protection:** Built to withstand water, dust, and vibration—reliable performance in any adventure. - • **Peace of Mind Guarantee:** Backed by a 30-day money-back promise, ensuring confidence with every charge. - • **Effortless DIY Installation:** Comes with complete cables, terminals, and accessories for quick, no-fuss setup. - • **Smart Voltage Sensitive Relay:** Automatically manages battery charge between 13.3V cut-in and 12.8V cut-out for optimal power balance. - • **Universal Vehicle Compatibility:** Seamlessly powers trucks, SUVs, RVs, boats, ATVs, and more—your all-in-one dual battery solution. ## Overview The Heart Horse 3m Split Charge Relay Kit is a 12V, 140 Amp smart dual battery isolator designed to automatically manage and protect dual battery systems across a wide range of vehicles. Featuring a voltage sensitive relay with manual and automatic modes, an LED voltage display, and IP68-rated rugged construction, it ensures your main battery stays charged while powering accessories from a secondary battery. Easy to install with included accessories, this kit is perfect for trucks, SUVs, RVs, boats, and more, delivering reliable, efficient power management with a 30-day money-back guarantee. ## Description Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat : desertcart.co.uk: Automotive Review: Can recommend - Works perfect. Review: Chaaaaaaaaaaarge!!! - Great kit and super easy to install. Charges both batteries up brilliantly. Good price and quality. Happy with purchase and definitely recommend. ## Features - ✔【VOLTAGE SENSITIVE RELAY】 Automatic /Manual 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems. Voltage Sensitive Relay (VSR) cuts in at 13.3V and cuts out at 12.8V to ensure your primary battery is always charged and ready to start your vehicle. It's like having two separate power sources for each battery while only having one alternator! - ✔【UNIVERSAL COMPATIBILITY】Like Having Two Separate Power Sources,The Dual Battery Isolator Kit Enables Your Accessories to Run From a Separate Battery While the engine is not running on your vehicle While keeping your Main Battery Charged,power up any ground or marine vehicle including ATVs, boats, cars, mini-vans, trucks, RVs, and yachts; Perfect versatile solution for all automotive power needs. - ✔【EASY TO INSTALL】The VSR split charge relay kit comes with full installation accessories and cables (battery cables, battery terminals, copper lugs, heat shrinks, cable ties) that make it easy for users to install it independently to vehicles, boats, recreational vehicles, and other equipment. - ✔【SAFE&EFFICIENT 】The dual battery isolator efficiently manages and protects power, preventing over-discharge of the main battery and ensuring full charging of the second battery. With high-quality materials and an IP68 waterproof, dustproof, and vibration-proof construction, our battery isolator delivers reliable performance even in harsh environments. - ✔【BUY WITH CONFIDENCE】This 12V dual battery isolator kit comes with a 30-day money-back guarantee, providing reliable and efficient performance for your vehicle or boat, and allowing you to purchase with confidence. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CF8F7B6N | | Best Sellers Rank | 3,627 in Automotive ( See Top 100 in Automotive ) 6 in Car Relays | | Brand | Heart Horse | | Coil Voltage | 12 Volts | | Connector Type | Screw | | Contact Current Rating | 140 Amps | | Contact Material | Copper Alloy | | Contact Type | Voltage Sensitive | | Country Of Origin | China | | Current Rating | 140 Amps | | Customer Reviews | 4.4 4.4 out of 5 stars (473) | | Manufacturer | YYGS_AMZgb | | Manufacturer Part Number | sku6197-yy | | Minimum Switching Voltage | 13.3 Volts | | Model Number | sku6197-yy | | Mounting Type | Screw Mount | | Operation Mode | Automatic | | Specification Met | ABS | | Wattage | 1680 watts | ## Product Details - **Connector type:** Screw - **Contact material:** Copper Alloy - **Contact type:** Voltage Sensitive - **Current rating:** 140 Amps - **Mounting type:** Screw Mount ## Images ![Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat - Image 1](https://m.media-amazon.com/images/I/71mvxIC0bTL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Can recommend *by S***R on 9 December 2025* Works perfect. ### ⭐⭐⭐⭐⭐ Chaaaaaaaaaaarge!!! *by D***N on 22 February 2026* Great kit and super easy to install. Charges both batteries up brilliantly. Good price and quality. Happy with purchase and definitely recommend. ### ⭐⭐⭐⭐ Good switch *by J***O on 7 March 2025* Works a treat quick insbtall no problems ## Frequently Bought Together - Heart Horse 3m Split Charge Relay Kit,12V 140Amp Smart Dual Battery Isolator Kit Manual/Auto Modes VSR-Voltage Sensitive Relay Kit with LED Screen, Voltage Display for Truck,SUV,RV,ATV,UTV,Boat - ARONOVA Passenger Side Battery Tray Replacement With Base Clamp Kit Compatible with select Cadillac Escalade/Chevrolet Avalanche,Silverado,Suburban,Tahoe/GMC Sierra,Yukon models - ARONOVA Base Clamp Battery Hold Down with 304 stainless steel bolt Kit Compatible with Select GMC/Buick/Cadillac/Chevy/Hummer/Saturn/Pontiac/Oldsmobile Models,14005061 --- ## 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.sn/products/558479334-heart-horse-3m-split-charge-relay-kit-12v-140amp-smart](https://www.desertcart.sn/products/558479334-heart-horse-3m-split-charge-relay-kit-12v-140amp-smart) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-14*