Schumacher SS-51A-PE Ship 'N' Shore Fully Automatic/Manual Charger

• For onshore charging needs
• Can be switched to manual mode for special uses
• Accommodates conventional 12-volt batteries
• Has a durable construction with tubular handle
• Prevents overcharging of batteries

Charger got very, very hot when charging but it did charge battery (deep cycle battery). It actually heated up the room it was in. Went to fully charged condition at about 7 amps as opposed to 5 amps that the mfger said it would do. I previously had a Schumacher charger and it worked well for 20 yrs.. I returned charger.

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Excellent Charger, I use to have a similar charger but unfortunately was flooded with Alex Huracan in Mexico, I wait until was completely dry and spray it with WD-40 on the electronic board and the transformer and continue work for another 3 Years

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My copy of this unit is secondhand and at least ten years old. It had no trouble raising my 12V car battery from 11.6V to 12.8V within an hour or two and automatically shutting off.

On first impression, it's heavy, and it buzzed from the moment it was turned on. It also gets hot, but that's to be expected. The AC/DC converter is probably about 75% efficient. If this charger is legitimately rated at 10 amps, that's 1200W at North American voltage, so it's producing 300W of waste heat. That's a lot and probably why it's so heavy. This thing must have a five pound heatsink. I wouldn't leave it on carpet.

Anyway, it's not as pretty as some of the more recent units, but it's stupidproof, durable, and gets the job done. Can't ask for much more.

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Mar2012 Have had my 51A-PE for 12 years and going for another as a gift for Son who needs a Fully Automatic charger that won't over charge his car batteries, and a heavy duty Manual Charger for his Deep Cycle batteries, all in one package. 10amp is good all around size, not too big and not too small. Manual available for viewing

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I purchased this charger to replace the exact same type that I have owned for over 20 years. If I can get the same service from this unit I will be real happy.