--- product_id: 637356108 title: "Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine" brand: "powo carlife" price: "€ 51.01" currency: EUR in_stock: true reviews_count: 8 category: "Powo Carlife" url: https://www.desertcart.gr/products/637356108-smart-dual-battery-isolator-12v-140a-auto-or-manual-control store_origin: GR region: Greece --- # 140A high current rating IP68 waterproof protection Auto/manual dual battery control Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine **Brand:** powo carlife **Price:** € 51.01 **Availability:** ✅ In Stock ## Summary > 🔌 Stay charged, stay unstoppable — power your adventures with smart precision! ## Quick Answers - **What is this?** Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine by powo carlife - **How much does it cost?** € 51.01 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/637356108-smart-dual-battery-isolator-12v-140a-auto-or-manual-control) ## Best For - powo carlife enthusiasts ## Why This Product - Trusted powo carlife brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Voltage Sensing:** Automatically isolates or connects batteries based on voltage, protecting your main battery from over-discharge or over-voltage. - • **Powerful 140A Capacity:** Handles heavy-duty charging demands with ease, ensuring your auxiliary battery stays fully charged on the go. - • **Weatherproof IP68 Design:** Built to brave rain, mud, and marine spray—perfect for adventurous road warriors and water explorers alike. - • **Real-Time Digital Voltmeter:** Stay informed with instant voltage readouts, giving you peace of mind and control over your battery health. - • **Universal Vehicle Compatibility:** Seamlessly integrates with cars, RVs, ATVs, UTVs, boats, and more—your all-in-one power management solution. ## Overview The POWO Carlife Smart Dual Battery Isolator is a 12V 140A voltage sensitive relay designed for automatic or manual control of dual battery systems. Featuring IP68 waterproofing, it protects your main battery by disconnecting at unsafe voltages and allows simultaneous charging of auxiliary batteries from your engine alternator. Compatible with a wide range of vehicles including cars, RVs, ATVs, UTVs, and boats, it includes a digital voltmeter for real-time monitoring and supports quick surface mounting for versatile installation. ## Description Battery Isolator Review: Highly recommend - It's a good isolator, I like it. Working perfectly with my car. Review: Great isolator kit - I've installed a few of these. They're good. I had one dead on arrival but they warrantied it fast. I've probably put around 10 of them in vans and campers. Good product ## Features - Smart Voltage Sensitive Relay can automatically disconnect or connect the auxiliary battery according to the voltage of the main battery. - Input voltage lower than 11V or Input voltage more than 17V, circuit will be automatically disconnected to protect main battery from over discharging. - Voltage Sensitive Relay allows 2 batteries to be charged from your engine alternator at the same time. - When your engine is turned on and the main battery is fully charged, the relay will start charging the Auxiliary battery at the same time. - Smart Battery Isolator is IP68 WATERPROOF grade, so it can withstand various weather conditions, and you don’t need to stress about traveling. - Smart battery isolator kit compatible with most RVs, Cars Vehicles, ATVs, UTVs, Polaris, Can-Am, Boats, 12VDC Marine, 4wd, caravan, etc. A compact battery isolator can be placed almost anywhere. - Not Compatible with Ternary lithium battery!! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D147R21S | | Best Sellers Rank | #43,882 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Battery Relocation Kits | | Brand | POWO Carlife | | Brand Name | POWO Carlife | | Coil Voltage | 12 Volts (DC) | | Connector Type | Quick Connect | | Contact Type | Normally Open | | Current Rating | 140 Amps | | Customer Reviews | 4.4 out of 5 stars 95 Reviews | | Included Components | Isolator | | Item Type Name | Battery Isolator | | Manufacturer | POWO Carlife | | Minimum Switching Voltage | 11 Volts (DC) | | Model | BG006 single | | Mounting Type | Surface Mount | | Number of Terminals | 3 | | Operation Mode | Automatic | | Part Number | BG006 | | Warranty Description | Replacement within 30 days without any reason | ## Product Details - **Brand:** POWO Carlife - **Connector Type:** Quick Connect - **Contact Type:** Normally Open - **Current Rating:** 140 Amps - **Mounting Type:** Surface Mount ## Images ![Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine - Image 1](https://m.media-amazon.com/images/I/61EnhQ8Uh6L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Highly recommend *by M***O on February 24, 2026* It's a good isolator, I like it. Working perfectly with my car. ### ⭐⭐⭐⭐⭐ Great isolator kit *by L***S on March 2, 2026* I've installed a few of these. They're good. I had one dead on arrival but they warrantied it fast. I've probably put around 10 of them in vans and campers. Good product ### ⭐⭐⭐⭐⭐ Battery isolator *by J***S on February 24, 2026* Really good item ## Frequently Bought Together - Smart Dual Battery Isolator 12V 140A Auto or Manual Control, Waterproof Voltage Sensitive Relay(VSR) with Digital Voltmeter for Car, RV, ATV, UTV, Boat, Marine - TKDMR 10pcs 1/0 AWG-3/8 Battery Lugs,Heavy Duty Wire Lugs,Ring Terminals,Battery Cable Ends,0 Guage terminals,Battery Terminal Connectors with 10pcs 3:1 Heat Shrink Tubing - 10pcs 4 Awg - 3/8" (M10) Sanuke Wire Lugs Ring Terminal Connectors Ends, UL Listed Heavy Duty for Battery Cable Lug Wire Electrical Eyelets with 3:1 Dual Wall Adhesive Heat Shrink --- ## 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.gr/products/637356108-smart-dual-battery-isolator-12v-140a-auto-or-manual-control](https://www.desertcart.gr/products/637356108-smart-dual-battery-isolator-12v-140a-auto-or-manual-control) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-05-11*