CTEK MUS 4.3 Polar 12V 4.3A Battery Charger – Cold Weather (56-958)

CTEK 56-958 MUS 4.3 Polar 12V 4.3A Battery Charger – Cold Weather is specially designed for charging and maintaining 12V lead-acid batteries in extremely cold conditions, down to -22°F (-30°C). This fully automatic, advanced microprocessor-controlled charger offers outstanding performance with an 8-step charging cycle, including a patented desulphation program and a unique reconditioning function for recovering deeply discharged and stratified batteries. The MUS 4.3 POLAR is ideal for use in harsh environments like snowmobiles, motorcycles, and other cold-weather vehicles, ensuring battery health even during extreme conditions.

Features:

Specially designed for cold weather with a Snowflake mode for optimal performance down to -22°F (-30°C).Patented 8-step charging process, including battery testing, charging, and maintenance to maximize battery life.RECOND mode restores deeply discharged and stratified batteries.Fully automatic operation—simply connect and select the program, and the charger takes care of the rest.Safe to use with reverse polarity protection, spark-free operation, and short-circuit proof.Compatible with a wide range of 12V lead-acid batteries (Wet, MF, AGM, GEL) from 1.2Ah to 110Ah (up to 160Ah for maintenance).Splash-proof and dustproof (IP65 rating) for durability in tough conditions.AC and DC cables adapted for low-temperature use, perfect for outdoor winter conditions.

Benefits:

Ideal for use in extreme cold, providing reliable battery maintenance and charging in freezing temperatures.Extends battery life by providing optimal charging and reconditioning features.Ensures safety with spark-free operation and protection from reverse polarity and short circuits.Convenient plug-and-play operation—just connect and forget.

Technical Specifications:

Model: 56-958Input Voltage: 100-120VAC, 50-60HzCharge Voltage: 14.4 / 15.0 / 15.8 VMinimum Battery Voltage Required: 2.0VCharge Current: Max 4.3 AType of Charger: 8-step, fully automatic charging cycleBattery Types: 12V lead-acid batteries (Wet, MF, AGM, GEL)Battery Capacity: 1.2-110 Ah, up to 160 Ah for maintenanceDegree of Protection: IP65 (Splash and dustproof)Warranty: 5-year warranty