If you have a stop/start car and only doing short journeys and/or long periods where it's idle then this is essential to keep the battery in good order. While the car is idle it still draws power from the battery depleting it so this used once a month will restore and condition the battery. Vey well made and so easy to connect up then just leave it to automatically do it's work. You will notice the difference after it has been used. It can be left connected as automatically stops charging and goes into care mode once the battery has reached the optimum charge. There are cheaper ones from other companies on the market but the reviews show this one to be the best in performance and value.
Verified purchase: Yes | Condition: Pre-owned
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