Will these work on my terminals for boat batteries?

Yes, as long as it is a top post battery. Be sure to check size of opening on the terminal you plan on buying. The bigger the battery, the bigger the terminal on the battery. Hope this helps.

I see the video of the negative not tightening. I have the same problem. What have others done to make it tight?

Hello, you can use 2 x Adjustable Spacers. I used the Spacers that came with it. It’s a-tight fit using the Spacers.

What is the block made of? looks like aluminum. what is the hardware made of? is it coated or solid brass ?

the hardware made of Nickel plated. Protective cover made of plastic. they d ok have a great connection and show a very good accurate reading on the volt metter.

My battery has one cable, but this terminal has two holes?

SUNMORN Battery Terminal Connectors, 0/2/4/6/8 AWG Inputs, Battery Terminal, Battery Post Terminals, Positive Negative For Car RV Truck Marine Boat

Do you get both postive and negative terminals?

If your car Both original + and - lead battery terminals were shot with frayed and broken wires, you did not have to replaced the entire cable assemblies.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Battery Terminal Connectors, SUNMORN 0/4/8/10 Gauge Heavy Duty AMP Car Battery Terminals Connector, Shims Positive & Negative, with Special Tools, 1 Pair

Battery Terminal Connectors, SUNMORN 0/4/8/10 Gauge Heavy Duty AMP Car Battery Terminals Connector, Shims Positive & Negative, with Special Tools, 1 Pair

Product ID: 361841880

Details

Colour
Silver
Connector Type
Clamp
Contact Material
Nickel
Insulation Material
Copper
Terminal
Through Hole

⚡Low resistance for max current flow

🔋Heavy-duty 0/4/8/10 gauge compatibility

🛠️Includes special tools for easy install

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VT8717

Duties & taxes included

In stock

Sold byAmazon VanuatuDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Connect with confidence—power up like a pro!

SEAMLESS POWER FLOW - Precision nickel clamps minimize resistance for uninterrupted energy delivery.
PLUG PLAY SIMPLICITY - User-friendly clamp mechanism with included tools—no expert needed.
SAFETY FIRST ENGINEERING - Insulated terminals prevent shorts and sparks, ensuring peace of mind.
BUILT TO BRAVE THE ELEMENTS - Corrosion-resistant design endures extreme temps, moisture, and vibrations.
UNIVERSAL FIT FOR EVERY RIDE - Compatible with cars, trucks, boats, motorcycles, and RV batteries.

SUNMORN Battery Terminal Connectors offer heavy-duty, nickel-plated clamps compatible with 0/4/8/10 gauge batteries. Engineered for superior conductivity and corrosion resistance, they include special tools for quick installation and feature insulated terminals for enhanced safety. Trusted by thousands with a 4.5-star rating, these connectors deliver reliable, long-lasting performance across automotive and marine applications.

Specifications

ASIN	B07QZRKXSL
Brand Name	SUNMORN
Colour	Silver
Connector Gender	Male
Connector Type	Clamp
Contact Material	Nickel
Customer Reviews	4.5 out of 5 stars 4,332 Reviews
Included Components	battery terminal connectors battery terminals
Insulation Material	Copper
Insulation Material Type	Copper
Item Dimensions L x W x H	5.8L x 4.6W x 1.8H Centimeters
Item Weight	0.02 Pounds
Manufacturer	SUNMORN
Material	Nickel
Material Type	Nickel
Maximum Voltage	12 Volts (DC)
Model Number	SUNMORN Battery Terminal Connectors
Number of Items	1
Part Number	SUNMORN1556
Specification Met	CE
Stud Size	#2
Terminal	Through Hole
Terminal Type	Through Hole
UPC	733205028660
Unit Count	1.0 Count

Reviews

J**J

13.02.2025

R**D

13.04.2026

C**.

3.02.2024

S**S

6.02.2026

R**Z

27.09.2023

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