---
product_id: 352971594
title: "10pcs 4 Gauge 5/16\" Wire Connectors, Battery Copper Lugs Terminals"
brand: "sanuke"
price: "$19.98"
currency: USD
in_stock: true
reviews_count: 13
category: "Sanuke"
url: https://www.desertcart.us/products/352971594-10pcs-4-gauge-5-16-wire-connectors-battery-copper-lugs
store_origin: US
region: United States of America
---

# 600V max voltage rating 4 AWG heavy-duty gauge Heat shrink tubing 3:1 dual wall 10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals

**Brand:** sanuke
**Price:** $19.98
**Availability:** ✅ In Stock

## Summary

> ⚡ Connect Like a Pro, Seal Like a Boss!

## Quick Answers

- **What is this?** 10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals by sanuke
- **How much does it cost?** $19.98 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/352971594-10pcs-4-gauge-5-16-wire-connectors-battery-copper-lugs)

## Best For

- sanuke enthusiasts

## Why This Product

- Trusted sanuke brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Flared openings and pre-cut shrink tubes speed up your workflow—perfect for pros and DIYers alike.
- • **Pro-Grade 4 AWG Copper Lugs:** Engineered for maximum conductivity and durability with 100% annealed electrolytic copper.
- • **Heavy-Duty & High Temp Rated:** Built to withstand up to 257°F and 600 volts for reliable, long-lasting connections in demanding environments.
- • **Versatile Application Spectrum:** Ideal for marine, solar, automotive, and home electrical projects—join thousands upgrading their setups now.
- • **Seal & Protect with Dual Wall Heat Shrink:** Color-coded 3:1 adhesive tubing ensures moisture-proof, corrosion-resistant, and professional-grade insulation.

## Overview

Sanuke’s 10-piece 4 AWG 5/16" copper wire connectors kit includes heavy-duty ring terminals and color-coded 3:1 dual wall adhesive heat shrink tubing. Rated for 600V and 257°F, these UL-certified copper lugs deliver superior conductivity, corrosion resistance, and moisture protection—perfect for professional-grade electrical, marine, solar, and automotive applications.

## Description

Sanuke 10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals | Heavy Duty Battery Cable Ends for 4 AWG Wires, 10pcs 3:1 Dual Wall Adhesive Heat Shrink Tubes(UL), Electrical Crimp Lugs: desertcart.com: Industrial & Scientific

Review: Worked great on my flexible 4 AWG wires for my 24V system - I recently used the 4 AWG Terminal Connectors Ends for my 24V DIY power bank system, and they worked great! These heavy-duty connectors fit perfectly on my flexible 4 AWG wires, providing a secure and reliable connection. The dual wall adhesive heat shrink is a standout feature. It shrinks down tightly, providing excellent insulation and protection against moisture and corrosion. During testing, I found that the heat shrink worked nicely, sealing the connections effectively without any issues. The build quality of these connectors is impressive—they feel sturdy and durable, ensuring long-lasting performance. So far, I have no complaints about their functionality. They’ve proven to be a reliable and efficient solution for my electrical projects, and I wouldn’t hesitate to buy them again. If you need robust and reliable wire lugs for your battery cable or power bank projects, these connectors are a great choice. They deliver excellent performance and peace of mind, making them a valuable addition to any DIY toolkit.
Review: Great buy - Product was as described and work as expected

## Features

- ☆『4 AWG Wire Connectors Kit』Package includes 10pcs 4 gauge - 5/16" (M8) heavy duty ring terminals, plus 10 pcs color-coded 3:1 dual wall adhesive heat shrink tubing (5 red + 5 black) for professional, polarity-identified connections.
- ☆『High Copper Materials』All the battery lugs are made of 100% annealed electrolytic grade copper for maximum conductivity. All the 3:1 shrink tube is well made of high quality material, thick and durable.They are both for up to 600V, 257 degrees Fahrenheit which ensures its safe and reliable.
- ☆『Reliable and Easy to Use』Terminals with heavy duty construction improves high temperature durability and closed design seals out the moisture, ensure connection reliability; high standard flared opening for easy wire insertion.The wire shrink wraps are all pre-cut into the most common sizes which improve your work efficiency.
- ☆『Wide Applications』These battery cable ends are safe and reliable, great for distribution box, marine, golf carts, solar panels, home applications, etc.Heat Shrink Tubing is Ideal Used for Vehicle, Motorcycle, Boat, DIY Electrical Wirings and Other Outdoor Applications.
- ☆『Professional Copper Lugs』These high-quality copper terminals feature corrosion-resistant properties for solid and stranded wires. Marine-grade heat shrink tubing with heat-activated adhesive provides an impermeable seal against salt water and liquids. Available in 8, 6, 4, 2, 1/0, 2/0, 4/0 AWG with stud options (1/4", 5/16", 3/8", 1/2") — select above.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B092ZM6XY3 |
| Best Sellers Rank | #1,705 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Ring Terminals |
| Brand Name | Sanuke |
| Color | Bare Copper |
| Connector Gender | Female |
| Connector Type | Ring |
| Contact Material | Copper |
| Customer Reviews | 4.8 out of 5 stars 6,459 Reviews |
| Gauge | 4 |
| Included Components | 10pcs 4 gauge-5/16'' wire connectors , 10pcs of 3:1 heat shrink tubing |
| Insulation Material | Non-Insulated |
| Insulation Material Type | Non-Insulated |
| Item Dimensions L x W x H | 0.6"L x 0.6"W x 1.77"H |
| Item Highlight | Heavy Duty Battery Cable Ends for 4 AWG Wires, 10pcs 3:1 Dual Wall Adhesive Heat Shrink Tubes(UL), Electrical Crimp Lugs |
| Manufacturer | Sanuke |
| Material | Copper |
| Material Type | Copper |
| Maximum Voltage | 600 volts |
| Model | SAG4516-10PK |
| Number of Items | 10 |
| Part Number | SAG4516-10PK |
| Specification Met | UL |
| Stud Size | 5/16 |
| Temperature Rating | 257 degree fahrenheit |
| Terminal | Ring Terminal |
| Unit Count | 10 Count |

## Product Details

- **Color:** Bare Copper
- **Connector Type:** Ring
- **Contact Material:** Copper
- **Insulation Material:** Non-Insulated
- **Terminal:** Ring Terminal

## Images

![10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals - Image 1](https://m.media-amazon.com/images/I/61cw7B0KkKL.jpg)
![10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals - Image 2](https://m.media-amazon.com/images/I/71Eh88FHYmL.jpg)
![10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals - Image 3](https://m.media-amazon.com/images/I/61xSM397ZgL.jpg)
![10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals - Image 4](https://m.media-amazon.com/images/I/71zSbbioYGL.jpg)
![10pcs 4 Gauge 5/16" Wire Connectors, Battery Copper Lugs Terminals - Image 5](https://m.media-amazon.com/images/I/71Ow5HLOgaL.jpg)

## Available Options

This product comes in different **Color, Size, Number Of Items** options.

## Questions & Answers

**Q: is this for 4awg marine wire**
A: yes but i don’t know about using in salt water but it works on my car

**Q: How wide is the M6 1/4" from edge to edge in mm? Thanks**
A: 1/4 inch =  6.35 MM .  Just over 6MM  I hope that is what you need .

**Q: Does this include glueless heatshrik?**
A: It includes heat-shrink. Not sure if it's glueless. I just heated up and it shrunk to fit.

**Q: are they solid copper? or copper clad? or plated?**
A: I believe they are solid copper. When scratched with a file I do not see any color difference and they are not magnetic.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked great on my flexible 4 AWG wires for my 24V system
*by D***D on July 6, 2024*

I recently used the 4 AWG Terminal Connectors Ends for my 24V DIY power bank system, and they worked great! These heavy-duty connectors fit perfectly on my flexible 4 AWG wires, providing a secure and reliable connection. The dual wall adhesive heat shrink is a standout feature. It shrinks down tightly, providing excellent insulation and protection against moisture and corrosion. During testing, I found that the heat shrink worked nicely, sealing the connections effectively without any issues. The build quality of these connectors is impressive—they feel sturdy and durable, ensuring long-lasting performance. So far, I have no complaints about their functionality. They’ve proven to be a reliable and efficient solution for my electrical projects, and I wouldn’t hesitate to buy them again. If you need robust and reliable wire lugs for your battery cable or power bank projects, these connectors are a great choice. They deliver excellent performance and peace of mind, making them a valuable addition to any DIY toolkit.

### ⭐⭐⭐⭐⭐ Great buy
*by W***N on September 9, 2026*

Product was as described and work as expected

### ⭐⭐⭐⭐⭐ Good Quality
*by A***T on July 18, 2026*

Good quality seamless connectors. Heat shrink seems to fully seal where it attaches to the wire and connector. Crimped well and provided a secure fit.

## Frequently Bought Together

- 10pcs 4 Awg - 5/16" (M8) Sanuke Wire Lugs Ring Terminal Connectors Ends, UL Listed Heavy Duty for Battery Cable Lug Wire Electrical Eyelets with 3:1 Dual Wall Adhesive Heat Shrink
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-11*