What is the difference between the 404 and the 403SS? One is 10 times the cost of the other?

E403 is REMOVE Battery Cleaner. E404 is REMOVE+ Battery Cleaner with Acid Detector.

Can I use this to clean green corrosion on my fish finder power supply port and plug?

Yes, this is a very good product to remove.

Does it clean oxidation?

Yes this item will clean the terminals

Noco E404 12 25 Oz Battery Terminal Cleaner Spray Corrosion

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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Description

⚡ Clean terminals, charged life — don’t let corrosion slow you down!

SPRAY RINSE REVIVE - Easy spray-on, rinse-off formula saves time and keeps your battery terminals spotless.
CORROSION GONE IN SECONDS - Foaming action instantly neutralizes and dissolves battery corrosion for peak performance.
BOOST YOUR BATTERYS POWER - Improves electrical connections and current flow for faster, more reliable vehicle starts.
UNIVERSAL FIT FOR EVERY RIDE - Works seamlessly on all battery types, terminals, and cables—car, truck, or motorcycle.
PINK ALERT FOR BATTERY HEALTH - Unique acid detector turns pink on contact, so you never miss hidden corrosion.

The NOCO E404 Battery Terminal Cleaner Spray is a 12.25 oz aerosol designed to instantly neutralize and remove battery corrosion with a fast-acting foaming agent that also detects acid presence by turning pink. Compatible with all vehicle battery types, it enhances electrical connections and improves cranking power, making it an essential maintenance tool for reliable vehicle performance.

Reviews

S**O

24.04.2026

A**R

26.03.2026

C**S

24.03.2026

A**N

20.09.2025

M**S

1.04.2026

D**E

27.03.2026

R**N

28.04.2026

A**R

7.02.2026

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Customer service was outstanding when I had questions about the product.

2 days ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Best Sellers Rank	#8,162 in Automotive ( See Top 100 in Automotive ) #7 in Electrical Cleaners
Customer Reviews	4.6 out of 5 stars 1,945 Reviews

NOCO E404 12.25 Oz Battery Terminal Cleaner Spray and Corrosion Cleaner with Acid Detector

Description

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Common Questions