The CTEK MUS 4.3 POLAR is recommended as a top trickle charger for maintaining vehicle batteries during long periods of inactivityLifestyleOct 7 at 6:52 AM – Oct 7 at 8:05 AM5 outletsUnited StatesBoston HeraldBest Trickle Chargers Oct 6 at 7:39 PMThe Denver PostBest Trickle Chargers Oct 6 at 5:39 PMThe Mercury NewsBest Trickle Chargers Oct 6 at 11:39 PMThe Orange County RegisterBest Trickle Chargers Oct 6 at 4:39 PMThe San Diego Union-TribuneBest Trickle Chargers Oct 6 at 4:39 PM