The CTEK MUS 4.3 Polar 12V Battery Charger is engineered specifically for extreme cold conditions, making it the ideal choice for vehicles exposed to harsh winter climates. With advanced diagnostics, temperature compensation, and a patented desulfation process, this smart charger ensures reliable charging and extended battery life in any environment.

Key Features

• ✅ Cold Weather Design – Optimized for reliable charging in sub-zero temperatures.

• ✅ Patented Desulfation – Revives and restores deeply discharged batteries.

• ✅ Comprehensive Diagnostics – Tests battery health and charging performance.

• ✅ Fully Automatic – Simple “connect and forget” operation for ease of use.

• ✅ Safe & Versatile – Spark-proof, reverse polarity protected, and suitable for a wide range of 12V lead-acid batteries.

Specifications

• Input: 220–240VAC, 50–60Hz

• Output: 12V, 4.3A max

• Battery Capacity: 1.2–110Ah (maintenance up to 160Ah)

• Operating Temperature: -22°F to +122°F (-30°C to +50°C)

• IP65 – splash and dust resistant

Applications

• Passenger cars, SUVs, and light trucks

• Motorcycles, snowmobiles, and ATVs

• Agricultural equipment

• Seasonal or stored vehicles exposed to cold weather

Why Choose the CTEK MUS 4.3 Polar?

• Designed specifically for cold climates

• Provides safe, maintenance-free charging

• Extends battery life and performance

• Trusted by drivers, fleet managers, and technicians worldwide