CTEK Multi US 3300 12V Smart Battery Charger Review

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(More customer reviews)I own two of these excellent chargers - they are very simple to operate and very durable.
The chargers are weatherproof, and you can permanently mount them in the engine compartment with the provided ring terminals, or just use the alligator clips.
The charger has a battery status indicator (low / full), and settings for Motorcycle, Car, or Gel battery. The charger cycles from trickle current, to pulses, and shuts off when the battery is full. There is no better charger for winter storage battery tending, bringing nearly dead batteries back to life, or just recharging boat batteries slowly overnight.
Finally, I should mention that the current version of the 3300 has some improvements over the already excellent older version (I now have one of each). The latest version includes:
- Heavier gauge wiring
- Much heavier and more durable alligator clips
- A nice zip-up storage case

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Four-step Automatic Battery Charging Cycle There is no need for any specific knowledge of batteries or their charging methods; the Multi US 3300 will take care of it. The Multi US 3300 utilizes a four-step automatic charging cycle. First, patented desulphation functionality allows for possible reconditioning of batteries that have lost significant power due nonuse. This is followed by Bulk Charging, when 80% of charging takes place; then Absorption Charging which completes charging up to virtually 100%; and finally Pulse/Maintenance Charging, in which the battery receives a pulse of electricity when the voltage drops below 95%, keeping the battery in perfect condition indefinitely when it is not used. If the battery is loaded and the battery’s terminal voltage drops to 12.9V the charger automatically switches back to the beginning of the four-step cycle. Also, the Multi US 3300 can be connected for months and it is specifically developed for seasonal vehicles.

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Porsche Battery Maintainer Review

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(More customer reviews)I own a 2008 Porsche Cayman that sits in my garage for 2 to 3 weeks between drives. Although I was told to use a battery maintainer or risk getting a dead battery, I did not. Well, I learned the hard way and my battery did in fact die. It cost me $400 for Porsche to replace the battery and test the system. I immediately ordered this item to prevent such a thing from happening going forward. It is very simple to use...plug the charger into a standard wall outlet, the other end into your cigarette lighter outlet in the car. The wire is so thin that you can close the door without kinking the wire. I highly recommend this product to avoid the same costly mistake I made!

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Simple and safe battery charging via the cigarette lighter socket, recommended after the vehicle has been left standing for longer periods. This will fit all late model Porsches.

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