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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Battery Terminal Connectors, 0/2/4/6/8 AWG Battery Terminals, Heavy Duty Car Battery Terminal, Top Post Multiple Battery Terminal, with Shims Protector Cover

Product ID: 454857750

Details

Colour
Silver
Connector type
Screws
Contact material
Gold
Insulation material
Plastic
Terminal
Screw Terminal

⚡High conductivity with 82% copper content

🔋Supports 0/2/4/6/8 AWG cables

🛡️Corrosion-resistant nickel plating

€ 97.44

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Description

🔌 Power up your ride with connectors that mean business!

SECURE GOLD SCREW CLAMPS - Ensures cables stay firmly in place under heavy loads
OPTIMIZED FOR AUDIO MARINE USE - Perfect for advanced car audio, lighting, and marine battery systems
QUICK RELEASE EASY INSTALLATION - Fast swap with included shims and protective covers—no mechanic needed
HEAVY DUTY NICKEL PLATED DURABILITY - Resists corrosion and reduces current loss for reliable power delivery
UNIVERSAL MULTI GAUGE COMPATIBILITY - Fits 0 to 8 AWG cables for versatile battery setups

SUNMORN Battery Terminal Connectors deliver heavy-duty, corrosion-resistant performance with universal fit for 0-8 AWG cables. Featuring nickel plating and gold screw clamps, they ensure secure, efficient power transfer ideal for automotive, marine, and audio applications. Quick-release design with protective covers and adjustable shims makes installation fast and hassle-free.

Specifications

ASIN	B07QZRKXSL
Brand	SUNMORN
Colour	Silver
Connector Gender	Male
Connector Type	Screws
Contact Material	Gold
Customer Reviews	4.5 4.5 out of 5 stars (4,506)
Insulation Material Type	Plastic
Item Weight	0.02 Pounds
Manufacturer	SUNMORN
Manufacturer Part Number	SUNMORN888888888
Material	Zinc Alloy Nickel Plated
Model Number	SUNMORN Battery Terminal Connectors
Number of Items	1
Terminal	Screw Terminal
UPC	733205028660
Unit Count	1.0 count

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€ 97.44

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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