Noco B603

NCP2 Battery Corrosion Terminal Protectors - 6-Pack

The NOCO B603 NCP2 Battery Terminal Protectors are engineered to shield battery terminals from the destructive effects of corrosion. Pre-saturated with NOCO's industry-trusted NCP2 formula, these fiber washers form a long-lasting barrier against acid fumes, salt, and moisture. Simple to install and highly effective, they are a must-have for any vehicle or equipment relying on reliable battery performance.

Features

With easy drop-on installation, these terminal protectors offer a clean, no-mess way to improve battery reliability and reduce maintenance. The red and green color coding ensures quick polarity identification, making them ideal for technicians, fleet operators, and everyday users. Compatible with top-post batteries in cars, trucks, boats, RVs, and more, they prevent power loss and corrosion-related failures.

Advanced Options

Constructed from durable, non-woven synthetic felt, the B603 protectors resist deterioration from battery acid, vibration, and extreme temperatures.

Product Key Features

• Protects battery terminals from corrosion and acid damage

• Pre-saturated with NOCO's NCP2 corrosion preventative formula

• Color-coded pads for easy polarity identification (red/green)

• Quick, tool-free installation around battery posts

• Ideal for automotive, marine, RV, and power sport batteries

• Fiber-based, non-woven design resists moisture and acid

Reliability & Performance

. Whether in marine environments or under-the-hood heat, these pads retain their shape and effectiveness. The integrated NCP2 chemical delivers consistent protection without drying out or losing potency over time.

Key Features (Bullet List)

• Pre-saturated with NOCO NCP2 corrosion preventative

• Protects battery posts from acid corrosion

• Red (positive) and green (negative) for easy ID

• Non-woven, fiber-based, acid-resistant construction

• Installs easily on top-post battery terminals

• Works in automotive, marine, RV, and fleet applications

Specification	Details
Model Number	B603
Product Type	Battery Terminal Protectors
Quantity	6-Pack (3 red, 3 green)
Material	Non-woven synthetic felt
Pre-Treated	Yes, with NCP2 Corrosion Preventative
Use	Protects battery terminals from corrosion
Polarity ID	Color-coded (red = positive, green = negative)
Compatibility	Top-post lead-acid battery terminals
Installation	Manual - slip over terminal post
Application Areas	Automotive, marine, RV, power sports, fleet
Operating Temp Range	-40 °F to 250 °F (-40 °C to 121 °C)