CTEK Multi US 7002 12V Battery Charger Review

Average Reviews:

(More customer reviews)I first saw CTEK battery chargers featured on Dream Car Garage, and they spoke highly of it. Superior electronics, technology, etc, etc. Being an avid car and boat enthusiast, I also saw ads in some publications and decided to try it out. Right of the box I thought "WOW" is this thing small (about 12"x4"x2"), and less than 3 pounds. I researched CTEK through the homepage and saw that it is approved for Optima batteries which I have for my classic cars and my boat. I used this charger on my trolling motor batteries and took readings before and after use. I fully charged my batteries with my old charger and the batteries read 12.4 and 12.9 volts. I plugged the CTEK charger in and put it in RECON mode and took readings the next morning. The batteries read 14.4 volts and 14.6 volts. The CTEK charger was able to pump in some extra power! I took my boat out, trolled all day, I barely tapped into the 2nd battery. I took my boat out a couple more times with the same results. UNBELIEVABLE! Before I used to pray I was getting back to the launch ramp, and now I'm barely using my second battery! It's made me a believer. Even though it's waterproof, I did't mount it because only single bank. Maybe they will come out with a multi-bank charger. If they do, I will definitely buy that charger too. I am very impressed with this charger. Only downside, the manual doesn't explain charger functions all that well, but it's really not hard to figure out. 5 Stars from me!

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Product Description:
CTEK Power's Multi US 7002 is a primary switch mode battery charger with pulse maintenance, representing state-of-the-art technology for battery charging. The Multi US 7002 features multiple charging modes, as well as a unique 8-step charging curve. Taken together these refined and new technologies allow the Multi US 7002 to move far beyond the capabilities of other 12V chargers, even to the point of determining whether a battery can hold the charge given, and in the process ensure that each of your lead-acid vehicle batteries gets the best possible care.

Eight-step Automatic Battery Charging Cycle
Going forward, there is no need for any specific knowledge of batteriesor their charging methods; CTEK's Multi US 7002 will take care of that.Once you switched to the preferred mode, the charger takes its own readingsand then begins to charge the battery in 8 steps. These include: desulphation,allowing for possible reconditioning of batteries that have lost power duenonuse.; Soft Start, which charges until the battery's terminal voltagehas risen to a preset level; Bulk, in which primary charging to approximately80% occurs; Absorption, a final charging stage where voltage is kept ata preset level; Analysis, during which charging a suspended and voltagemeasured; Recondition, where the battery is fed a constant current of 1.5Aand maximum voltage of 15.7V; Float, during which constant voltage is maintained;and finally Pulse/Maintenance Charging, in which the battery receives apulse of electricity when the voltage drops below 95%, keeping the batteryin perfect condition indefinitely when it is not used. The Multi US 7002is also perfectly suited for Optima Yellow Top batteries and can also beconnected for months, which is ideal for seasonal vehicles.