- Chargers
- ctek
- battery
- charger
- mus
- polar
- 12v
Product Features
Authorized CTEK Dealer
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.
✅ 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.
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
Passenger cars, SUVs, and light trucks
Motorcycles, snowmobiles, and ATVs
Agricultural equipment
Seasonal or stored vehicles exposed to cold weather
Designed specifically for cold climates
Provides safe, maintenance-free charging
Extends battery life and performance
Trusted by drivers, fleet managers, and technicians worldwide