--- product_id: 451266024 title: "HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed" brand: "huanchain" price: "1681190₫" currency: VND in_stock: true reviews_count: 13 category: "Huanchain" url: https://www.desertcart.vn/products/451266024-huanchain-indoor-outdoor-black-extension-cord-50-ft-waterproof-16 store_origin: VN region: Vietnam --- # Super flexible vinyl cable Waterproof & weatherproof 50 ft heavy-duty reach HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed **Brand:** huanchain **Price:** 1681190₫ **Availability:** ✅ In Stock ## Summary > ⚡ Power up anywhere, anytime — the extension cord that works as hard as you do! ## Quick Answers - **What is this?** HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed by huanchain - **How much does it cost?** 1681190₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/451266024-huanchain-indoor-outdoor-black-extension-cord-50-ft-waterproof-16) ## Best For - huanchain enthusiasts ## Why This Product - Trusted huanchain brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First, Always:** ETL listed with extra-large plugs & strain relief to prevent shocks & breaks - • **Flexibility That Lasts:** High-flex vinyl resists bending damage and tangles, even in cold temps - • **Extended Reach, No Limits:** 50 feet of power freedom for indoor & outdoor projects - • **Built to Brave the Elements:** Waterproof, flame & corrosion resistant for all-weather reliability - • **Effortless Handling & Storage:** Hooked socket design plus reusable storage straps for neat, safe use ## Overview The HUANCHAIN 50 ft 16/3 gauge extension cord delivers reliable 13A, 125V, 1625W power with ETL safety certification. Designed for both indoor and outdoor use, it features waterproof, flame-resistant, and corrosion-resistant vinyl construction that remains flexible even in extreme cold. Its extra-large NEMA 5-15P plugs and strain relief design enhance safety and durability, while the convenient hook and storage straps make handling and storage effortless. Perfect for professionals and DIYers who demand dependable, long-lasting power solutions. ## Description Product description Review: Heavy-Duty, Reliable, and Perfect for Outdoor Use - I’m really impressed with this HUANCHAIN 50ft extension cord! The quality is excellent — it’s thick, durable, and clearly built to handle both indoor and outdoor use. The waterproof design is a huge plus, especially for powering outdoor lights, tools, or holiday decorations. It’s handled rain and damp conditions without any problems. The 16/3 gauge wire provides a strong, steady connection, and the cord stays flexible even in cold weather — no stiff or tangled mess like cheaper cords. The 50-foot length gives me plenty of reach for yard projects, and the black color blends in nicely. Overall, this is a well-made, dependable extension cord that feels like it’ll last for years. Great value for the price — I’d definitely buy HUANCHAIN again! Review: Great buy! - Exactly what I ordered. Sturdy and reliable cord. Definitely recommend! Great price! ## Features - Extra Size for Safety: Extra size Male NEMA 5-15P power plug and Female NEMA 5-15R power socket for safety; 50 ft extension cord has high insulation safety performance to prevent electric shock; ETL/cETL Listed for safe approval - Power Rating and Application: 3 Prong black extension cord 50 Feet 16AWG SJTW power outside extension cord rating 13Amps 125V 1625Watts; Flame resistant, Waterproof Weather resistant, Cold-resistant (-50°C), corrosion resistant Suitable for indoor and outdoor, home office use extension cable; Please note: 16 awg extension cord does not apply to heaters - High Flexible: HUANCHAIN high flexible Vinyl extension cable cords have better bending resistance and prevent them from breaking during long-term movement, bending, and pulling; Super soft feel, easy to unfold when used - Hook & Strain Relief Design: The plug and socket end have a strain relief design; which is not easy to break when bent and used; The socket has a hook design; which is easy to plug and unplug and can be hung in a humid environment; making it safer to use - What You Get: Black outdoor extension cord 50 ft; Each outdoor extension cord has storage straps packing and is easy to repack and recycle after use; Open the storage straps when power is on and unfold the 50ft extension cord more safe ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09TGQYRYT | | Best Sellers Rank | #59 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Extension Cords | | Brand | huanchain | | Case Material Type | vinyl | | Color | Black | | Connector Gender | Male-to-Female | | Customer Reviews | 4.7 out of 5 stars 6,015 Reviews | | Gauge | 16/3 | | Input Current | 13 Amps | | Item Length | 50 Feet | | Manufacturer | huanchain | | Model Number | HUANCHAIN-PC-50FT-16AWG | | Number Of Conductors | 3 | | Number of Outlets | 1 | | Plug Format | Type B | | Plug Type | Type B | | Power Cord Prong Count | 3 | | UL Listed | Yes | | Unit Count | 1.0 Count | | Voltage | 125 Volts (AC) | | Wattage | 1625 watts | ## Product Details - **Brand:** huanchain - **Color:** Black - **Connector Gender:** Male-to-Female - **Plug Format:** Type B - **Voltage:** 125 Volts (AC) ## Images ![HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed - Image 1](https://m.media-amazon.com/images/I/71o76BnHGVL.jpg) ![HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed - Image 2](https://m.media-amazon.com/images/I/71xKxRBtlFL.jpg) ![HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed - Image 3](https://m.media-amazon.com/images/I/71fgU-t9W0L.jpg) ![HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed - Image 4](https://m.media-amazon.com/images/I/81EsM4+L0LL.jpg) ![HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Electric Cable, ETL Listed - Image 5](https://m.media-amazon.com/images/I/81vgV8vH92L.jpg) ## Available Options This product comes in different **Color, Size, Style** options. ## Questions & Answers **Q: Is the male part waterproof? If i plug it into an outdoor socket that would be exposed to rain, does thay create a hazard?** A: No. ive never seen a cord with a seal or gasket that would make it waterproof when plugged into an outlet. **Q: Can this be used outdoors to charge my computer and phone?** A: Dear friend, thanks for your question. Yes, this an Indoor/Outdoor extension cord. You can charge your computer and phone outdoor with 25ft / /50ft extension cord. **Q: Can it be used for an indoor mini fridge?** A: Yes **Q: Is this light weight at almost 4 pounds that a senior citizen lady could use with her blower to blow off her patio or her garage?** A: I am a senior citizen lady and it is not too heavy for me to use with my electric lawn mower. I am happy with the purchase. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Heavy-Duty, Reliable, and Perfect for Outdoor Use *by S***S on November 5, 2025* I’m really impressed with this HUANCHAIN 50ft extension cord! The quality is excellent — it’s thick, durable, and clearly built to handle both indoor and outdoor use. The waterproof design is a huge plus, especially for powering outdoor lights, tools, or holiday decorations. It’s handled rain and damp conditions without any problems. The 16/3 gauge wire provides a strong, steady connection, and the cord stays flexible even in cold weather — no stiff or tangled mess like cheaper cords. The 50-foot length gives me plenty of reach for yard projects, and the black color blends in nicely. Overall, this is a well-made, dependable extension cord that feels like it’ll last for years. Great value for the price — I’d definitely buy HUANCHAIN again! ### ⭐⭐⭐⭐⭐ Great buy! *by K***N on May 6, 2026* Exactly what I ordered. Sturdy and reliable cord. Definitely recommend! Great price! ### ⭐⭐⭐⭐⭐ Extension cord *by C***E on May 2, 2026* Cheaply made but has strong plugends. I wish the insulation was like more like the heavy duty outside extension. Cords. This cord is still good especially for the price. The male and female ends are high grade plugs it looks like. Just wish they woulda placed a thicker outer insulation over the extension cord but it’s water proof and can be used outside it’s worth buy for long cord for the price ## Frequently Bought Together - HUANCHAIN Indoor Outdoor Black Extension Cord 50 ft Waterproof, 16/3 Gauge Flexible Cold-Resistant Appliance Extension Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Heavy Duty Electric Cord, ETL - HUANCHAIN Indoor Outdoor Black Extension Cord 25 ft Waterproof, 16/3 Gauge Flexible Cold-Resistant Appliance Cord Outside, 13A 1625W 16AWG SJTW, 3 Prong Heavy Duty Electric Cord, ETL - Cablelera Power Cord Extension and Splitter, NEMA 5-15P to NEMA 5-15R x 2, 16 AWG, 13A, 125V (ZWACPQAG-14) 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.vn/products/451266024-huanchain-indoor-outdoor-black-extension-cord-50-ft-waterproof-16](https://www.desertcart.vn/products/451266024-huanchain-indoor-outdoor-black-extension-cord-50-ft-waterproof-16) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-21*