--- product_id: 500563927 title: "400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck" brand: "sopoby" price: "¥10131" currency: JPY in_stock: true category: "Sopoby" url: https://www.desertcart.jp/products/500563927-400pcs-solder-seal-wire-connectors-sopoby-self-soldering-heat-shrink store_origin: JP region: Japan --- # Double-wall waterproof seal Self-soldering heat shrink tech 400-piece pro-grade kit 400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck **Brand:** sopoby **Price:** ¥10131 **Availability:** ✅ In Stock ## Summary > ⚡ Seal the deal with every connection — waterproof, worry-free, and wired to last! ## Quick Answers - **What is this?** 400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck by sopoby - **How much does it cost?** ¥10131 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/500563927-400pcs-solder-seal-wire-connectors-sopoby-self-soldering-heat-shrink) ## Best For - sopoby enthusiasts ## Why This Product - Trusted sopoby brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Self-Soldering:** Integrated solder ring melts evenly at optimal heat, creating a flawless, long-lasting electrical connection without extra tools. - • **Versatile All-Weather Use:** Ideal for motorcycles, boats, RVs, and off-road vehicles—engineered to withstand extreme conditions and keep your connections solid. - • **Rugged Abrasion Resistance:** Premium polyolefin tubing shields wires from cuts, scuffs, and harsh environments—perfect for automotive and outdoor projects. - • **Unrivaled Waterproof Protection:** Double-wall design with hot melt adhesive locks out moisture and prevents wire slippage for marine-grade durability. - • **Optimized Electrical Performance:** Tin-plated copper barrels ensure superior current flow and minimal voltage drop, reducing downtime and wiring failures. ## Overview The Sopoby 400PCS Solder Seal Wire Connectors combine advanced double-wall waterproofing and self-soldering heat shrink technology to deliver reliable, durable electrical connections. Designed with premium polyolefin insulation and tin-plated copper barrels, these connectors excel in harsh environments like marine, automotive, and outdoor applications. This comprehensive kit streamlines wiring projects by eliminating the need for separate soldering tools, ensuring professional-grade results with every use. ## Description 400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck: desertcart.com: Industrial & Scientific ## Features - BETTER WATERPROOF SOLUTIONS: Double wall design, Hot Melt Adhesive inside ensures wires strongly connected and prevent wires slipping from the terminal; Polyolefin outside tubing provides insulation and improves pullout strength - PREMIUM SOLDER SEAL RING: Tubing reduces in size, the enough solder will melt and flow through the stripped wires, ensure a long lasting connection for your application - ABRASION RESISTANCE HEAT SHRINKABLE TUBE: Premium tube materials are specially designed to be used in harsh environments. Protect the wires and cables from abrasion, cutting, scuffing and low impact situations - EXCELLENT WIRE CONTACT: The tin barrel provides increased current flow, and ensures less voltage drop, preventing wiring failures and reducing equipment downtime - WIDE APPLICATIONS: Excellent stability, water resistance and electrical conductivity provide durable connection for motorcycle, off-road vehicles, lawn tractors, RVs, fish finder and marine application. Widely used on multiple projects of your Christmas lights, ships with high waterproof requirements motorcycle stereo, boat electronics, equipment switches ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BKSJQC9Q | | Best Sellers Rank | #23,788 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #134 in Butt Terminals | | Brand Name | Sopoby | | Color | Green, Blue, Red | | Connector Gender | Male | | Connector Type | Butt Splice | | Contact Material | Copper | | Customer Reviews | 4.7 out of 5 stars 1,675 Reviews | | Insulation Material | Polyolefin | | Insulation Material Type | Polyolefin | | Manufacturer | Sopoby | | Material | Polyolefin | | Material Type | Polyolefin | | Maximum Voltage | 12 volts_of_direct_current | | Model | Amazon-Sop-1115US | | Number of Items | 400 | | Part Number | Amazon-Sop-1115US | | Temperature Rating | 125 degree celsius | | Terminal | Butt Terminal | ## Product Details - **Color:** Green, Blue, Red - **Connector Type:** Butt Splice - **Contact Material:** Copper - **Insulation Material:** Polyolefin - **Terminal:** Butt Terminal ## Images ![400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck - Image 1](https://m.media-amazon.com/images/I/81ghYg+iX9L.jpg) ![400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck - Image 2](https://m.media-amazon.com/images/I/71vm5t-ZmTL.jpg) ![400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck - Image 3](https://m.media-amazon.com/images/I/71TIyWbcA9L.jpg) ![400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck - Image 4](https://m.media-amazon.com/images/I/71e-WzOKkUL.jpg) ![400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck - Image 5](https://m.media-amazon.com/images/I/71BamIwmVmL.jpg) ## Frequently Bought Together - 400PCS Solder Seal Wire Connectors, Sopoby Self Soldering Heat Shrink Butt Connector Solder Sleeve Waterproof Insulated Electrical Butt Splice Wire Terminals for Marine Automotive Boat Truck - SEEKONE Mini Heat Gun, 350W 2-Temp Settings 500℉ & 842℉（260℃& 450℃） Fast Heat Hot Air Gun Tool with Reflector Nozzle and 4.9Ft Long Cable Overload Protection for Crafting, Vinyl Wrap and Shrink Tubing - Eventronic 400 Pcs Heat Shrink Tubing Kit-3:1 Ratio Adhesive Lined,Marine Grade Shrink Wrap - Industrial Heat-Shrink Tubing - Black --- ## 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.jp/products/500563927-400pcs-solder-seal-wire-connectors-sopoby-self-soldering-heat-shrink](https://www.desertcart.jp/products/500563927-400pcs-solder-seal-wire-connectors-sopoby-self-soldering-heat-shrink) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-08*