CTEK Multi US 4.3 Battery Charger

I bought this charger to maintain my car's battery and it does a good job of maintaining battery health if you have a healthy battery that is. The charger has a series of LEDs that show what stage of charging/maintenance it's currently in, which makes it easy to track the charge status of the battery. The only downside is that my battery had a bad cell, but the charger didn't detect this. When I came to start the car, it wouldn't turn over. Since the charger only monitors voltage, it can't detect failures of this type. So, I'm deducting one star from my rating it would be great if a failed cell triggered an error condition in the charger.

This Charger is exactly what I wanted I have 3 Deep Cycle Marine Batteries to Store for the winter. I have hooked these batteries in parallel and It maintains all three at once to the exact battery voltage for extended periods of time. It goes through 8 steps to constantly read and communicate with your battery, charging only to its direct needs and therefore avoiding any possibility of incorrectly charging the battery. Furthermore, by ensuring the battery is conditioned as well as charged, your batteries last significantly longer. Moreover, each CTEK Smart Battery Charger regulates and maintains voltage to protect any sensitive electrical and hi-fi equipment. Now that's smart! Very Highly recommended

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Used to charge my motorcycle and tractor batteries. Love the way this little guy works. Lets you know where you are in the charge cycle. Also tried to charge a bad battery and indicators let me know right away that the battery is no good.

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Best $60 I spent this year, works very well, saved me from buying new batteries for two of my Cars.

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This is the best charger I have ever used to maintain the Battery in my play vehicle (Corvette). Some times this car is not driven for a few months and I have gone through sevral cheap trickle chargers and even a "Battery Tender" but none of them have the technology to properly test and maintain the Optima in my Corvette. I would highly recommend this Item to anyone who wants the best.