Review on 🔋 CTEK MUS 4.3 POLAR Extreme Climate 12V Fully Automatic 8-Step Battery Charger by Eric Williamson

I live in an area with an average temperature of 20°F. in winter and drops to -10F intermittently for 2-3 days. This holder/charger is used for dueling batteries for wagons (not for engines) for my application. I have 1 charger for both batteries and connect + to 1 battery and - to the second battery. This is an EXCELLENT UNIT. I bought a CTEC extension cord and installed my CTECH in a convenient location. I ran an extension cable to the battery using the O terminals on the battery's screw terminals. Please refer to the factory specifications of this charger. I won't go into detail. BUT THIS IS A GREAT charger/maintainer that uses very little power after automatically going into maintenance mode. Like most RV owners, we bought them all. None compares to this one in size, case mountability, and ease of installation. Now for the intended purpose. It's been plugged in since early October and has never flipped my switch plugged into an external 110v outlet on the GFI circuit. It automatically went through each stage and then went into maintenance and kept an eye on my battery. Never switched off, I check often for peace of mind, everything works! And it works fine. BUY WITH CONFIDENCE.