--- product_id: 267379374 title: "Stinger SGP35 500-AMP Relay and Isolator, Black" brand: "stinger" price: "€ 215.57" currency: EUR in_stock: true reviews_count: 5 category: "Stinger" url: https://www.desertcart.gr/products/267379374-stinger-sgp35-500-amp-relay-and-isolator-black store_origin: GR region: Greece --- # 500 AMP high current capacity Water-resistant phenolic plastic Prevents primary battery drain Stinger SGP35 500-AMP Relay and Isolator, Black **Brand:** stinger **Price:** € 215.57 **Availability:** ✅ In Stock ## Summary > ⚡ Keep your power game strong and your batteries thriving! ## Quick Answers - **What is this?** Stinger SGP35 500-AMP Relay and Isolator, Black by stinger - **How much does it cost?** € 215.57 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/267379374-stinger-sgp35-500-amp-relay-and-isolator-black) ## Best For - stinger enthusiasts ## Why This Product - Trusted stinger brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** 100,000 mechanical cycles for unmatched durability - • **Battery Guardian:** Automatically isolates secondary battery to prevent drain - • **Effortless Integration:** Simple ignition-triggered operation for plug-and-play convenience - • **Powerhouse Performance:** Handles up to 500 amps for ultimate battery control - • **Universal Compatibility:** Works seamlessly with all 12V alternators and charging systems ## Overview The Stinger SGP35 is a rugged, water-resistant 500-amp relay and isolator designed to protect your primary battery by automatically separating secondary batteries when the ignition is off. Built for durability with a 100,000 cycle lifespan and universal 12V compatibility, it ensures efficient power management and extends battery life in demanding automotive setups. ## Description Made of Water resistant black phenolic plastic, has a 100,000 mechanical cycle life and 500 amp contact rating. Stinger's high current relays are the most efficient and reliable way to add secondary batteries to your system. This new for 2011 item has the highest current handling capability to date. Simply connect these relays to operate when the ignition is turned on. The battery system will remain separate while the ignition is off, preventing system drain. Compatible with all types of alternators and charging systems. Review: Excelente calidad - Excelente relay para conectar 2 pilas Review: Sal - Installed work perfectly 👌 ## Features - 500 AMP High Current Relay/Isolator - Prevents primary battery discharge - Power on demand - Extends battery life - Universal 12 volt applications ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B004WDPZEW | | Best Sellers Rank | #71,568 in Automotive ( See Top 100 in Automotive ) #74 in Automotive Accessory Power Relays | | Brand | STINGER | | Brand Name | STINGER | | Coil Voltage | 12 Volts (DC) | | Connector Type | Screw | | Connector type | Screw | | Contact Current Rating | 500 Amps | | Contact Material | Copper | | Contact Type | Normally Open | | Contact material | Copper | | Contact type | Normally Open | | Current Rating | 500 Amps | | Current rating | 500 Amps | | Customer Reviews | 4.6 out of 5 stars 639 Reviews | | Global Trade Identification Number | 00609098800365 | | Included Components | product, manual | | Item Weight | 748 g | | Manufacturer | Stinger | | Minimum Switching Voltage | 12 Volts (DC) | | Model | SGP35 | | Mounting Type | Socket Mount | | Mounting type | Socket Mount | | Number of Terminals | 2 | | Operation Mode | Automatic | | Part Number | SGP35 | | Specification Met | UL | | UPC | 609098797771 609098800365 | | Unit Count | 1 Count | | Wattage | 6000 watts | ## Product Details - **Connector type:** Screw - **Contact material:** Copper - **Contact type:** Normally Open - **Current rating:** 500 Amps - **Mounting type:** Socket Mount ## Images ![Stinger SGP35 500-AMP Relay and Isolator, Black - Image 1](https://m.media-amazon.com/images/I/71de-ff9nCL.jpg) ![Stinger SGP35 500-AMP Relay and Isolator, Black - Image 2](https://m.media-amazon.com/images/I/71c2177nFnL.jpg) ![Stinger SGP35 500-AMP Relay and Isolator, Black - Image 3](https://m.media-amazon.com/images/I/71xQMT-I2dL.jpg) ![Stinger SGP35 500-AMP Relay and Isolator, Black - Image 4](https://m.media-amazon.com/images/I/71WAci6RiNL.jpg) ![Stinger SGP35 500-AMP Relay and Isolator, Black - Image 5](https://m.media-amazon.com/images/I/81YG1Il8MwL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente calidad *by B***Z on 28 August 2025* Excelente relay para conectar 2 pilas ### ⭐⭐⭐⭐⭐ Sal *by S***S on 17 May 2026* Installed work perfectly 👌 ### ⭐⭐⭐⭐⭐ Five Stars *by C***N on 21 August 2017* good service and good product ## Frequently Bought Together - Stinger SGP35 500-AMP Relay and Isolator , Black - 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 - BOJACK 0/2/4 Gauge ANL Fuse Holder and 200 Amp ANL Fuses for 0 2 4 8 Gauge AWG Fuse Block, Fuse Box, Automotive Fuse Holder 200A (Pack of 2) --- ## 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/267379374-stinger-sgp35-500-amp-relay-and-isolator-black](https://www.desertcart.gr/products/267379374-stinger-sgp35-500-amp-relay-and-isolator-black) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-10*