Schumacher SE-4022 Manual Wheeled Battery Charger and Tester

• Equipped with cooling fan for high-performance and long life
• Accommodates both 6 and 12-volt batteries
• Helps in fleet operations
• Analyzes electrical and starting system problems
• Includes two rotary switches and a voltmeter

This charger is a very nice charger. Prospective buyers should be aware (I was) that there is no automatic shut-off when battery is fully charged. There is a timer to regulate the length of charging time. I did not realize by the specs & write up that the "tester" was a simple volt meter. I already own 3 or 4 of those on different testers. Even though there is a convenience factor to the meter being mounted in the charger I would not have paid so much more for it had I realized a voltmeter was all that it is. Also I would have liked to see a sturdier set of wheels & tires that would make it roll better in gravel & dirt. I am certain that the high quality of this charger will give me many years of service. The 3 year manufacturers warranty is great. Shipping time was excellent.

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Someone said the tester was just a voltmeter, so I got it because a voltmeter is adequate for a quick test at the car. But it is a voltmeter that only goes up to 12.7 volts!!!! And it has no numbers on it. Despite the fact the meter says "charging system" condition on it, it is only capable of measuring battery voltage. The meter is pegged in the green with 12.7 volts. (resting Voltage for a fully charged battery) Which means if you believed the word "good" on the "charging system" meter, you'd think the alternator was charging, but it may not be. It only tells you if the battery is charged or not (with the car off, and no surface charge on it). The manual explains that is it testing the battery, but it is not labeled well on the charger, and in the advertising.

Good, inexpensive manual charger, but VERY limited "tester".

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I bought this charger after my hand held smart charger stopped working. I wanted a charger that had ample boost capability. I have used this charger a couple of times now and has worked flawlessly. I'm very pleased with its performance and very happy with the price. Please be aware that this is NOT a smart charger. I have owned several smart chargers (both high quality, $150 and low quality, $79)in the past and they have all either failed or were not accurate. This unit works very simple. Set the timer select the proper amperage and let it work. If you are unable to operate a manual charger I would recommend searching for good quality smart charger with very good reviews.

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This is a great charger. I ordered it and received it three days later with standard shipping charges. Pretty impressive huh!!!

The only bad thing is the plastic, injection molded tires that come with the unit. They are hollow and pretty thin. I can't imagine they would last any length of time if it is moved around frequently. I did not even put them on the unit. I went to Home Depot and bought some hard rubber tires with metal wheels and had to buy some bushings as the axle on the unit is fairly small. It is now a great unit! Schumacher should just spend a little bit more for better tires and charge four or five dollars more.

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Fast, free shipping and discounted price made for a great value purchase. Have used to charge dual batteries for diesel trucks. Works great! Did not start truck in start mode until 10 minutes of charge on completely dead batteries, but that may be normal for any charger in 200 amp start mode. Casing very thin, and wheels light duty, which is just fine unless you are in an abusive environment. The wheels work fine because the unit is not very heavy. I am very happy with this unit and would highly recommend it so long as you know how to calculate how long to charge your batteries (although the timer could have a larger time range for charging dual, parallel connected batteries). This is a manual charger that you can set the charge time for up to 2-1/2 hours at user selectable 40 or 2 amps. I don't trust my memory to leave it charge in continuous mode.