NOCO E404 Battery Terminal Cleaner Spray
Where to Buy
| Retailer | Price | Last seen | Buy |
|---|---|---|---|
D dexterclearance.com | $2.08 | Feb 3, 2025, may have changed | Buy Now |
 Amazon 30-day returns (in store too) | $3.16 | Feb 3, 2025, may have changed | Buy Now |
 Instacart | $3.16 | Aug 14, 2022, may have changed | Buy Now |
 Walmart 90-day returns (in store too) | $3.16 | Feb 3, 2025, may have changed | Buy Now |
A AUTOZONE | $4.79 | Aug 20, 2024, may have changed | Buy Now |
Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.
Pros
- •Effectively removes corrosion from battery terminals with ease and leaves them clean and free of dirt.
- •The yellow foaming spray targets corrosion precisely and reveals acid leaks by turning pink/red, helping diagnose battery issues.
- •Works quickly, showing results within 2-4 minutes, making cleanup fast and straightforward with water or a sponge.
- •Improves electrical connections and current flow, potentially boosting vehicle cranking ability.
- •Performs equal to or better than other battery cleaners users have tried.
- •Neutralizes acid safely on battery terminals.
- •Simple and reliable in operation, making it easy for DIYers and pros alike.
- •Does not produce strong or offensive fumes during use.
- •Useful beyond car batteries, effective for restoring vintage items and children's toys.
Cons
- •May require multiple applications for heavily corroded terminals to achieve thorough cleaning.
- •Does not remove very hard corrosion by itself; often recommended as a follow-up after pre-cleaning with household items like white vinegar and salt.
- •Can be a bit messy during use and requires rinsing the terminals with water afterward.
- •The nozzle head is not securely attached and can pop off easily, causing application difficulties and potential product waste.
Bottom Line
The NOCO E404 Battery Terminal Cleaner Spray is a fast-acting and effective solution to clean and neutralize battery corrosion while helping to detect acid leaks through its color-changing foam. It’s a reliable choice if you're looking for an easy-to-use, quick fix that also improves your battery’s electrical connections. However, if you have stubborn or heavy corrosion build-up, you might want to pre-clean with vinegar or consider a product that targets tougher corrosion more aggressively. Overall, this cleaner is great for routine battery maintenance and restoration projects alike, making it a handy spray to have around.
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Discussion
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