I've been using this CTEK Polar charger/servicer for 5 years and it still works as does the battery I bought it for. I don't drive my grooming, but short trips and it has lasted a long time. I usually had to charge the battery when I wanted to leave. Now I just unplug the charger and the battery is fully charged. The feature I love about this charger is that it remembers the setting from the last time you used it. I have an AGM battery and need to use the AGM setting. I just bought a second one of the same charger as a backup in case the first one stops working. I recommend this charger. It just works!
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