--- product_id: 144102933 title: "120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals" brand: "sopoby" price: "$23.18" currency: USD in_stock: true category: "Sopoby" url: https://www.desertcart.us/products/144102933-120pcs-solder-seal-wire-connectors-sopoby-heat-shrink-waterproof-solder store_origin: US region: United States of America --- # Double-wall waterproof seal with hot melt adhesive Solder melts at 138℃ for seamless fusion Abrasion-resistant polyolefin tubing 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals **Brand:** sopoby **Price:** $23.18 **Availability:** ✅ In Stock ## Summary > 🔧 Seal the deal with every connection—waterproof, durable, and ready to perform! ## Quick Answers - **What is this?** 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals by sopoby - **How much does it cost?** $23.18 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/144102933-120pcs-solder-seal-wire-connectors-sopoby-heat-shrink-waterproof-solder) ## 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 - • **Versatile for Every Project:** Perfect for automotive, marine, off-road, and even holiday lighting setups—connect with confidence. - • **Unmatched Waterproof Protection:** Double-wall design with hot melt adhesive locks out moisture and prevents wire slippage. - • **Optimized Electrical Performance:** Tin-plated copper barrels reduce voltage drop and boost current flow reliability. - • **Effortless, Long-Lasting Connections:** Solder ring melts precisely to fuse wires, ensuring a durable, maintenance-free bond. - • **Rugged Durability for Harsh Environments:** Premium abrasion-resistant tubing shields wires from cuts, scuffs, and impacts. ## Overview The Sopoby 120PCS Solder Seal Wire Connectors kit features heat-shrinkable, double-wall insulated terminals with built-in solder rings that melt at 138℃ for secure, waterproof connections. Designed with abrasion-resistant polyolefin tubing and tin-plated copper barrels, these connectors support AWG 26-10 wires, withstand temperatures from -67℉ to 257℉, and deliver reliable electrical conductivity for automotive, marine, and industrial applications. ## Description 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals: desertcart.com: Industrial & Scientific ## Features - 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 - 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 - 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 | B07S62KYSL | | Best Sellers Rank | #10,310 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #66 in Butt Terminals #3,199 in Electrical Equipment | | Brand Name | Sopoby | | Color | Yellow, Blue, Red, White | | Connector Gender | Male | | Connector Type | Solder | | Contact Material | Copper | | Customer Reviews | 4.6 4.6 out of 5 stars (15,382) | | Gauge | AWG 26-10 | | Insulation Material Type | Polyolefin | | Manufacturer | Sopoby | | Material Type | Polyolefin Tubing with Hot Melt Adhesive & Solder inside | | Maximum Voltage | 600 Volts | | Model | Sopoby334 | | Number of Items | 120 | | Part Number | Sopoby334 | | Specification Met | ① Minimum Shrink Temperature: 80℃, ② Minimum Temperature for Solder to Melt: 138℃ | | Temperature Rating | Working Temp: -67℉ - 257℉ | | Terminal | Butt Terminal | | Unit Count | 120 Count | ## Product Details - **Color:** Yellow, Blue, Red, White - **Connector Type:** Solder - **Contact Material:** Copper - **Insulation Material:** Polyolefin - **Terminal:** Butt Terminal ## Images ![120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Waterproof Solder Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals - Image 1](https://m.media-amazon.com/images/I/716J9uhDZ4L.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Do you offer larger than 250 count sets?** A: Yes **Q: Is it possible to make a 3-way connection with these?** A: It is possible, yes, but it’s a little tricky. Two of the wires end up being twisted together and inserted into one side and the third wire ends up on the other side. You’ll likely have to use the next size up to accommodate the double strand. I’d recommend adding heat shrink to the side with the single wire, as it may not seal as well as the other side, since it’s stepped up. The connections I made this way have been in service on my car for more than two years without any issue. **Q: Do these connectors work on 14 awg solid copper wire (in 14/2 waterproof cable) laid underwater to a small island (110 vac)?** A: Hi friend, we are so sorry to tell you that these solder connectors are not suitable for solid copper wire. Actually they are designed for stranded wire. We recommend you to use heat shrink crimp butt connectors. It woule be safer for your projects after the solid copper wire being crimped and heat shrinking. If you have any additional questions, just contact us seller. We will do our best to assist you. Thank you! **Q: Can this be used with AC electrical?** A: It can be used with any wire. You have to find the size that you need. My husband used it on a beacon light that goes on top of your vehicle and it works really good. ## Frequently Bought Together - 120PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Waterproof Butt Connector Kit Insulated Automotive Marine Electrical Wire Terminals - 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 - Ginsco 580 pcs 2:1 Heat Shrink Tubing Kit 6 Colors 11 Sizes Assorted Sleeving Tube Wrap Cable Wire Kit for DIY --- ## 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.us/products/144102933-120pcs-solder-seal-wire-connectors-sopoby-heat-shrink-waterproof-solder](https://www.desertcart.us/products/144102933-120pcs-solder-seal-wire-connectors-sopoby-heat-shrink-waterproof-solder) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-06*