will any red connectors match up ? are they universal ? or do they have to be same brand an model ?

Based on reviews I read before buying them you cannot plug these into other brands.

.Will these fit 12 gauge wire? I need to put 2 12gauge in each terminal pin for fog lights.

These are WAY too big for 12 gauge wire; they are built for 2-4 ga but any size that can be pinched in the silver connectors will work. Richard Nielsen is wrong.

The pins can be inserted two ways. Which ways does the hook on the pin go, Toward the metal conatct or away. I am guessing away.

The hook goes toward the metal as it is the locking mechanism that locks it into the housing. Basically it's the exact opposite of what you were imagining but dont worry, if you mess up you can use a little screw driver or whatever else to depress the metal locking tab and remove the pin to reinsert the opposite way. I did several of these all at once on a multiple battery unit and accidentally did one or two of them backward and you can depress tab and pull them right out. But the hook has to catch on the metal tab. If you try and do it the way you were thinking the pins will not lock in place and can and will slide out every time you disconnect and because of the lock meant to grab the tab on the housing, you may never be able to disconnect these if the two locking ends get locked inside of the casing. I dont know, I dont want to try or find out.

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2PCS Pack 2-4 Gauge 175A Battery Cable Quick Connect/Disconnect Plugs

Product ID: 309854053

Details

Color
Red
Connector Type
Quick
Contact Material
Copper
Insulation Material
Rubber
Terminal
Pin Terminal

⚡12-36V operating voltage

🔋175A current capacity

🛠️Fits 2-4 gauge wire

$30.02

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your gear in seconds — don’t get left unplugged!

BUILT TO LAST - Durable polycarbonate housing with rubber boot covers for rugged use
UNIVERSAL FIT - Compatible with 2-4 gauge wires, perfect for winches, trailers & more
HIGH VOLTAGE READY - Supports up to 36V continuous, 600V max standing voltage for versatile applications
EFFORTLESS POWER SWAPS - Quick connect/disconnect design for seamless device changes
PLUG PLAY SIMPLICITY - Identical connector ends allow easy installation without confusion

The MUYI 2PCS Pack Quick Connect/Disconnect Plugs deliver a robust 175A current capacity and support 12-36V systems, designed for 2-4 gauge wires. Crafted from sturdy polycarbonate with protective rubber boots, these connectors ensure fast, reliable power connections for winches, trailers, and electric vehicles. Easy to install with identical ends for flexible wiring, they combine durability and convenience for professional-grade electrical setups.

Specifications

ASIN	B08KW2W9TW
Best Sellers Rank	#20,519 in Automotive ( See Top 100 in Automotive ) #12 in Towing Winch Quick Connect Systems
Brand Name	MUYI
Color	Red
Connector Gender	Male
Connector Type	Quick Disconnect
Contact Material	Copper
Customer Reviews	4.5 out of 5 stars 497 Reviews
Included Components	rubber cap
Insulation Material	Rubber
Insulation Material Type	Rubber
Item Dimensions L x W x H	3.11"L x 2.11"W x 1"H
Item Type Name	battery quick connect/disconnect plugs
Item Weight	300 g
Manufacturer	MUYI
Material	Polycarbonate
Material Type	Polycarbonate
Maximum Voltage	36 volts
Model	SKU21085
Number of Items	2
Part Number	SKU21085#3
Specification Met	UL
Stud Size	2-4 Gauge
Terminal	Pin Terminal
Warranty Description	3 Month Warranty

Reviews

H**D

Good quality and right priced!

The connectors are super high quality and durable. The only thing I wish it came with are handles to help with the connect/disconnect. Otherwise, this item is exactly what I was looking for. You need to use a pneumatic crimper. The leads provided are super tough and hard. Follow the instructions in the video and you will be ok. Used this on my standalone energy storage for my diy solar system.

11.07.2023

M**R

Good for the price

Work good for leads on a winch

6.08.2026

M**N

Works okay

In use to add a 1000 watt inverter to a battery system when needed. All parts seems to be good quality.

25.02.2026

B**S

Absolutely thrilled.

I ordered this setup to hook and unhook the second battery in my Astro van.this way I can use the rear battery for my inverter to run my guitar amp etc. Imagine my face when I opened the package and realized this unit could be used on railroad, forklift,etc. If they can be used for a train yo7 know it's a great product.you can't have trains broken down all over the place with a bad battery connector. I will now be driving with complete confidence that I am safe and secure. Now my next task is to keep the battery behind my front seat from falling over and spilling acid on the floor and smelling like sulfuric acid. I'm sure it'll be easy because I have this fine battery connector.

13.01.2022

H**D

GREAT!

These make connecting and disconnecting my RV batteries a snap. Well built and easy to install if you are somewhat mechanically and electrically inclined. I tinned the wires then filled the connectors 1/2 full with melted solder then soldered the wires into the connectors vs renting a heavy duty crimper.

21.06.2024

C**S

Good item

Nice item. I soldered my cable ends on with the ends provided with this item. Good quality.

22.07.2025

T**T

Easy connections

Items work fantastic

24.09.2025

W**W

Good item

Appears to be a good product and it should work well.

3.05.2025

Z**R

Good quality

28.01.2022

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Good experience, but the tracking updates could be better.

2 months ago

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