--- product_id: 58327865 title: "Fastronix Premium High Current 3/8\" Thru Panel Battery Terminal Connectors USA Made" brand: "fastronix solutions" price: "S/.240" currency: PEN in_stock: true reviews_count: 9 category: "Fastronix Solutions" url: https://www.desertcart.pe/products/58327865-fastronix-premium-high-current-3-8-thru-panel-battery-terminal store_origin: PE region: Peru --- # 440A continuous current 550A momentary spike 7/16" panel thickness fit Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made **Brand:** fastronix solutions **Price:** S/.240 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your panel with premium USA-made connectors! ## Quick Answers - **What is this?** Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made by fastronix solutions - **How much does it cost?** S/.240 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/58327865-fastronix-premium-high-current-3-8-thru-panel-battery-terminal) ## Best For - fastronix solutions enthusiasts ## Why This Product - Trusted fastronix solutions brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pro-Grade Finish:** Pair with Fastronix rubber terminal covers (404-110 & 404-111) for a sleek, professional look that stands out. - • **Copper Core Excellence:** Inner copper core guarantees superior conductivity for high current applications—because performance matters. - • **Power Through Anything:** 3/8" studs rated for a robust 440 amps continuous current, with momentary spikes up to 550 amps—engineered for high-demand setups. - • **Safety Meets Durability:** Durable nylon backing nut eliminates shorting risks, giving you peace of mind in metal panel environments. - • **Seamless Panel Integration:** Fits panels up to 7/16" thick with a precise 1-17/64" hole, ensuring a clean, professional installation every time. ## Overview Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors are USA-made, UL-certified, and designed for high current automotive applications. Featuring 3/8" copper studs rated for 440 amps continuous and 550 amps momentary spikes, these connectors fit panels up to 7/16" thick with a nylon backing nut to prevent shorting. Ideal for professionals seeking reliable, durable, and safe battery terminal solutions with a polished finish. ## Description Product description Standard Features Durable Nylon Backing Nut Forget the trouble of tightening metal backing nuts. Tighten with a 1-3/4" wrench. Keep your panels scratch free without sacrificing strength. 3/8" Nickel Plated Studs Stainless steel terminal nuts for easy installation and removal. Rated to 440A Continuous / 550A Momentary Internal Copper Core for high current transfer Index Notch to Prevent Rotation Mount in panels up to 1/2" thick Install two different ways! Option 1: Drill 1-1/8" hole and file fit the feed thru to prevent rotation. Option 2: Drill 1-1/4" hole and insert feed thru Universal Application Automotive Marine Solar RV/Motorhome Off-Road Made in the USA ## Features - 3/8" Studs Rated to 440 Amps @ 12 Volts with Momentary 550 Amp Spikes - Mount in Panels up to 7/16" Thick in a 1-17/64" Hole - Durable Nylon Backing Nut Eliminates any Question of Shorting and These Can be Mounted in Metal Panels - Inner Copper Core for High Current Applications - Use with Fastronix Rubber Terminal Covers 404-110 and 404-111 for a Professional Installation ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B079K5HB79 | | Best Sellers Rank | #91,226 in Automotive ( See Top 100 in Automotive ) #319 in Automotive Replacement Battery Terminals & Ends | | Brand Name | Fastronix Solutions | | Color | Red and Black | | Connector Type | Stud | | Contact Material | Copper | | Customer Reviews | 4.8 out of 5 stars 593 Reviews | | Insulation Material | Nylon | | Insulation Material Type | Nylon | | Manufacturer | Fastronix Solutions | | Material | Nylon | | Material Type | Nylon | | Maximum Voltage | 12 Volts | | Model | 406-239 | | Number of Items | 1 | | Part Number | 406-239 | | Specification Met | UL | | Stud Size | 3/8 | | Temperature Rating | 221 degree celsius | | Terminal | Stud Terminal | | UPC | 635414975769 | | Unit Count | 1 Count | ## Product Details - **Color:** Red and Black - **Connector Type:** Stud - **Contact Material:** Copper - **Insulation Material:** Nylon - **Terminal:** Stud Terminal ## Images ![Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made - Image 1](https://m.media-amazon.com/images/I/719dWA+khEL.jpg) ![Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made - Image 2](https://m.media-amazon.com/images/I/717YGjPDGCL.jpg) ![Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made - Image 3](https://m.media-amazon.com/images/I/71ROdW41tQL.jpg) ![Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made - Image 4](https://m.media-amazon.com/images/I/71TrGnxWqtL.jpg) ![Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made - Image 5](https://m.media-amazon.com/images/I/81ubiB+iPaL.jpg) ## Questions & Answers **Q: Can I get 2 red terminals?** A: I’ve never seen them sold separately. Maybe try to reach the manufacturer, Fastronix Solutions and ask them. **Q: Any way to use these with Lithium Lifepo4 cells with M6 size terminals?** A: The Internet half whole size is the size of the red bushing going through the metal wall to insulate it from the metal that the 2 terminals on each side will fit your 4 mm cable **Q: I am looking for 5/16 or 3/8" thru panel terminals with a voltage rating of 600 vdc and a current rating of 100 amps. do you have such a product?** A: No **Q: Can i attach my factory (2017 coyote 5.0) neg/pos terminals directly to these to pass thru firewall to my trunk mounted battery?** A: As long as the cables have a 3/8" lug on them you can use this part to pass the power to your new battery location in the trunk. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***N on February 23, 2026* ### ⭐⭐⭐⭐⭐ Review *by A***R on December 8, 2024* ### ⭐⭐⭐⭐⭐ Review *by L***R on October 14, 2025* ## Frequently Bought Together - Fastronix Premium High Current 3/8" Thru Panel Battery Terminal Connectors USA Made - Fastronix 3/8" Stud Terminal Covers Red and 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.pe/products/58327865-fastronix-premium-high-current-3-8-thru-panel-battery-terminal](https://www.desertcart.pe/products/58327865-fastronix-premium-high-current-3-8-thru-panel-battery-terminal) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-05-16*