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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SUNMORN Battery Terminal Connectors, 0/2/4/6/8/10 AWG Battery Terminals, Heavy Duty Car Battery Terminal, Top Post Multiple Marine Superior Connectivity Long Lasting Easy to Install Versatile (Silver)

SUNMORN Battery Terminal Connectors, 0/2/4/6/8/10 AWG Battery Terminals, Heavy Duty Car Battery Terminal, Top Post Multiple Marine Superior Connectivity Long Lasting Easy to Install Versatile (Silver)

Product ID: 135619888

Details

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

⚡Superior low-resistance conductivity

🔋0/2/4/6/8/10 AWG versatile fit

🛠️Tool-free quick clamp install

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705404₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Color
Silver
Connector Type
Clamp
Contact Material
Nickel

Description

🔌 Connect with Confidence, Power with Pride!

PLUG PLAY SIMPLICITY - Intuitive clamp mechanism lets you install like a pro—no electrician needed, no downtime wasted.
POWER UP WITHOUT PAUSE - Engineered nickel contacts deliver max current flow with minimal resistance for uninterrupted performance.
BUILT TO BRAVE THE ELEMENTS - Corrosion-resistant, rust-proof design stands strong against moisture, vibration, and extreme temps.
ONE CONNECTOR ENDLESS USES - Fits cars, trucks, boats, motorcycles, and RVs—your all-in-one battery terminal solution.
SAFETY THAT SPARKS CONFIDENCE - Insulated terminals and secure clamps reduce risk of shorts and shocks, keeping you and your gear protected.

SUNMORN Battery Terminal Connectors offer heavy-duty, nickel-plated clamps compatible with 0 to 10 AWG wires, ensuring superior electrical conductivity and corrosion resistance. Designed for quick, tool-free installation, these versatile terminals fit a wide range of automotive and marine batteries, delivering reliable, long-lasting performance with built-in safety features to prevent electrical hazards.

Specifications

ASIN	B07QZRKXSL
Best Sellers Rank	#2,518 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Battery Terminals & Ends
Brand Name	SUNMORN
Color	Silver
Connector Gender	Male
Connector Type	Clamp
Contact Material	Nickel
Customer Reviews	4.5 out of 5 stars 5,115 Reviews
Gauge	1.0
Included Components	battery terminal connectors battery terminals
Insulation Material	Copper
Insulation Material Type	Copper
Item Dimensions L x W x H	2.28"L x 1.83"W x 0.72"H
Item Weight	0.02 Pounds
Manufacturer	SUNMORN
Material	Nickel
Material Type	Nickel
Maximum Voltage	12 Volts (DC)
Model	SUNMORN Battery Terminal Connectors
Number of Items	1
Part Number	SUNMORN1556
Specification Met	CE
Stud Size	#2
Terminal	Through Hole
UPC	733205028660
Unit Count	1 Count

Reviews

S**E

4.01.2026

R**D

13.04.2026

S**S

6.02.2026

K**M

20.07.2021

A**.

11.04.2026

J**.

25.04.2026

R**Y

13.02.2026

J**D

31.03.2026

J**J

13.02.2025

M**.

26.07.2023

A**S

25.09.2024

C**.

3.02.2024

V**I

9.02.2024

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