--- product_id: 558479334 title: "Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display" brand: "heart horse" price: "AR$295580" currency: ARS in_stock: true category: "Heart Horse" url: https://www.desertcart.com.ar/products/558479334-heart-horse-3m-12v-140amp-split-charge-relay-kit-led store_origin: AR region: Argentina --- # 140A high current capacity IP68 waterproof & dustproof 12V dual battery isolator Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display **Brand:** heart horse **Price:** AR$295580 **Availability:** ✅ In Stock ## Summary > 🔌 Double your power, halve your worries! ## Quick Answers - **What is this?** Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display by heart horse - **How much does it cost?** AR$295580 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/558479334-heart-horse-3m-12v-140amp-split-charge-relay-kit-led) ## 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 - • **Power Up Without Limits:** Seamlessly charges two batteries with a 140A voltage sensitive relay, ensuring your main battery is always ready to start. - • **Confidence in Every Charge:** Backed by a 30-day money-back guarantee, so you can upgrade your power system risk-free. - • **Built to Brave the Elements:** IP68-rated waterproof, dustproof, and vibration-resistant design guarantees reliable performance in the toughest environments. - • **Effortless DIY Installation:** Comes with all cables, terminals, and accessories for a quick, hassle-free setup—no professional needed. - • **Universal Vehicle Compatibility:** Perfect for SUVs, campervans, ATVs, boats, and RVs—power your accessories independently without draining your main battery. ## Overview The Heart Horse 3M 12V 140Amp Split Charge Relay Kit is a robust dual battery isolator featuring a voltage sensitive relay that automatically manages charging between two batteries. Designed for universal compatibility with vehicles like campervans, ATVs, boats, and RVs, it ensures your main battery stays charged while powering accessories from a secondary battery. With a high 140A current rating, IP68 waterproof and dustproof construction, and a complete installation kit, this relay kit delivers reliable, efficient power management in any environment. ## Description Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display | 12V Manual/Automatic Modes Dual Battery Isolator VSR-Voltage Sensitive Relay Kit for Campervan SUV ATV RV Boat Vehicles : desertcart.co.uk: Automotive ## 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 | 3,653 in Automotive ( See Top 100 in Automotive ) 7 in Car Relays | | Brand | Heart Horse | | Coil Voltage | 12 Volts | | Contact Current Rating | 140 Amps | | Contact Material | Copper Alloy | | Contact Type | Voltage Sensitive | | Country Of Origin | China | | Current Rating | 140 Amps | | Customer Reviews | 4.1 4.1 out of 5 stars (144) | | Item Highlight | 12V Manual/Automatic Modes Dual Battery Isolator VSR-Voltage Sensitive Relay Kit for Campervan SUV ATV RV Boat Vehicles | | 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 | | Wattage | 1680 watts | ## Product Details - **Brand:** Heart Horse - **Contact material:** Copper Alloy - **Contact type:** Voltage Sensitive - **Current rating:** 140 Amps - **Mounting type:** Screw Mount ## Images ![Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display - Image 1](https://m.media-amazon.com/images/I/51xvk1-15RL.jpg) ![Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display - Image 2](https://m.media-amazon.com/images/I/41rkCpMFS4L.jpg) ![Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display - Image 3](https://m.media-amazon.com/images/I/51bof-tRJTL.jpg) ![Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display - Image 4](https://m.media-amazon.com/images/I/41Fmj6ljprL.jpg) ![Heart Horse 3M 12V 140Amp Split Charge Relay Kit with LED Display - Image 5](https://m.media-amazon.com/images/I/5149g6PUbgL.jpg) ## Available Options This product comes in different **Size** options. ## 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.com.ar/products/558479334-heart-horse-3m-12v-140amp-split-charge-relay-kit-led](https://www.desertcart.com.ar/products/558479334-heart-horse-3m-12v-140amp-split-charge-relay-kit-led) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-18*