---
product_id: 291534966
title: "Fastronix Solutions Premium High Current 3/8\" Thru Panel Battery Terminal Connectors"
brand: "fastronix solutions"
price: "S$80"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/291534966-fastronix-solutions-premium-high-current-3-8-thru-panel-battery
store_origin: SG
region: Singapore
---

# 440A Power 3/8" Studs Durable Nylon Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors

**Brand:** fastronix solutions
**Price:** S$80
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Connections!

## Quick Answers

- **What is this?** Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors by fastronix solutions
- **How much does it cost?** S$80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/291534966-fastronix-solutions-premium-high-current-3-8-thru-panel-battery)

## 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

- • **Safety First:** Durable nylon backing nut prevents shorting, ensuring a secure connection.
- • **Professional Finish:** Pair with Fastronix rubber terminal covers for a sleek, professional installation.
- • **High-Performance Core:** Inner copper core designed for high current applications, delivering reliability.
- • **Unmatched Power Handling:** Rated for 440 Amps @ 12 Volts, with momentary spikes up to 550 Amps!
- • **Versatile Mounting Options:** Easily mounts in panels up to 7/16" thick with a simple 1-17/64" hole.

## Overview

The Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors are engineered for high-performance applications, boasting a robust 440 Amp rating at 12 Volts and momentary spikes of 550 Amps. Designed for easy installation in various panel thicknesses, these connectors feature a durable nylon backing nut to prevent shorting and an inner copper core for optimal conductivity. Ideal for professionals seeking reliability and safety in their electrical setups.

## Description

The Fastronix Premium Feed Thru is perfect for any high current applications where power must be fed through a panel. The 3/8" studs allow your battery connections to remain tight during the roughest conditions. Installation is simple by drilling a 1-17/64" hole through any panel up to 7/16" thick. Combine these with Fastronix terminal covers and you'll have professional looking wiring your friends will envy! Maximum torque on the 3/8" studs is 212 in-lbs. Applying too much torque to the studs may cause damage.

## 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 |
|---------------|-------|
| Manufacturer | Fastronix Solutions |
| Brand | Fastronix Solutions |
| Package Dimensions | 16.41 x 11.81 x 6.1 cm; 249 g |
| Item model number | 406-239 |
| Exterior | Nylon |
| Manufacturer Part Number | 406-239 |
| Amperage | 440 Amps |
| Voltage | 12 Volts |
| Item Weight | 249 g |

## Product Details

- **Colour:** Red and Black
- **Connector type:** Stud
- **Contact material:** Copper
- **Insulation material:** Nylon
- **Stud size:** 0.375 inch

## Images

![Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors - Image 1](https://m.media-amazon.com/images/I/719dWA+khEL.jpg)
![Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors - Image 2](https://m.media-amazon.com/images/I/717YGjPDGCL.jpg)
![Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors - Image 3](https://m.media-amazon.com/images/I/71ROdW41tQL.jpg)
![Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors - Image 4](https://m.media-amazon.com/images/I/71TrGnxWqtL.jpg)
![Fastronix Solutions Premium High Current 3/8" Thru Panel Battery Terminal Connectors - 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.

## 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

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**Shop now:** [https://www.desertcart.sg/products/291534966-fastronix-solutions-premium-high-current-3-8-thru-panel-battery](https://www.desertcart.sg/products/291534966-fastronix-solutions-premium-high-current-3-8-thru-panel-battery)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-17*