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Schumacher SE-70MA 10 Amp Fully Automatic Deep-Cycle Charger

4.1 out of 5 stars 103 customer reviews
| 9 answered questions

Price: $87.25 & FREE Shipping
Only 3 left in stock.
Ships from and sold by JB Tool Sales.
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  • Has reverse polarity protection
  • Prevents overcharging of batteries
  • Accommodates both 12 and 24-volts for deep-cycle batteries
  • Includes manual override switch
  • Charges both deep-cycle and automotive batteries
  • This product cannot be shipped to Oregon or California
16 new from $75.61
$87.25 & FREE Shipping Only 3 left in stock. Ships from and sold by JB Tool Sales.

Frequently Bought Together

  • Schumacher SE-70MA 10 Amp Fully Automatic Deep-Cycle Charger
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  • E-Z Red SP101 Battery Hydrometer
Total price: $96.45
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Product Information

Technical Details

Brand Schumacher
Item Weight 14.8 pounds
Product Dimensions 5 x 11 x 10 inches
Item model number SE-70MA
Manufacturer Part Number SE70MA

Additional Information

ASIN B0002TP2C0
Customer Reviews
4.1 out of 5 stars 103 customer reviews

4.1 out of 5 stars
Best Sellers Rank #33,896 in Automotive (See top 100)
#149 in Automotive > Motorcycle & ATV > Parts > Electrical > Batteries
Shipping Weight 18.4 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available June 29, 2004

Warranty & Support

Warranty, Parts:Parts
Product Warranty: For warranty information about this product, please click here

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Product Description

This fully automatic deep-cycle charger is a 12 and 24-volt charger for deep-cycle batteries. Its 10-amps charge a deep-cycle battery in 7-11 hours and an automotive battery in 3-5 hours. It is fully automatic and will not overcharge the batteries. The manual override switch allows users to switch to manual operation for special applications.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I purchased one in February 2012 and one to replace it in August, 2012 while the other went in for warranty repair/replacement.

I bought it to charge my bank of 10 AGM batteries configured for 24 volts for my solar power system, as a back up if the batteries got too low and it was cloudy. I loaned it to a friend so he could charge his similarly configured system, and it came back dead, and the meter stuck at 3 amps. I thought he might have done something wrong but I sent it in and the manufacturer replaced it. I ordered another one in the interim.

Well, it wasn't my friend's fault. Same thing happened to me. I have the charger on a voltage-controlled outlet. When the batteries go low, my inverter is cut off and the commercial power switches on so the charger can charge the batteries to avoid a build up sulfur on the plates. One day I come home from work, and the charger was very hot, meter stuck on 3 amps, and it wasn't charging.

(Added this comment 1/9/2014) I thought the second charger was out of warranty, but I have to give the manufacturer credit: It has a 2 year warranty. I sent the second one in and they replaced it with a repaired, functional unit.

When I called Schumacher, the technician on the line told me that this battery charger wasn't designed to charge batteries that were wired in parallel. My response was that I read the owner's manual from cover to cover and there was no mention of this. He had nothing to offer in response. (End of inserted comment.)

Bottom line: It works fine for charging my boat's trolling motor batteries. However, it doesn't seem to have any protection circuitry in it, so don't use it for charging 1000 amp hour battery banks. That's not what it was designed for.
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First of all, a high quality 24V air-cooled charger like this is approx $132+ without S&H. I have Schumacher Chargers and they all operate very well for the price. The weak point on these chargers is "whimpie" wiring that is usually the cause of problems or alleged failures of the unit. If you are not "technically inclined" and have problems, ask a friend or acquaintance who can check the unit. The most common flaw, in my experience, is the connection near the alligator clips, since this area gets the most movement. A continuity check of the wiring can usually locate the fault. Also, since this unit does not have an on/off switch, I simply plug it into a power strip equipped with an on/off switch. A simple fix can save unnecessary replacement of a good unit. In my experience, Schumacher provides a cost effective product considering the price and the service.
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By Kevin on November 14, 2010
Verified Purchase
I've had the LED type chargers and you really don't know if it's working right or not. With this charger and the analog gauge, you always know what's going on.
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By LEE on August 8, 2010
Verified Purchase
Best 24 volt charger for trolling motor batteries . If you are looking for a charger look no further . Switches back from 12 volt to 24 volt . 2 amp trickle charges so you can leave it on all night .
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Verified Purchase
After about a half a dozen uses, the needle started getting "whacky"? What I mean is you get different readings on the same battery without doing anything. Hard to explain. Appears to be a good solid unit. 24 volt was a nice feature you won't find for this price. Worked perfectly the first few times, but now I can't tell what it's doing? The warranty says 5 years but you have to pack it up send it (postage will be very high) and not sure what the bill might be or when you'll get it back?
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Verified Purchase
I purchased to replace the dumb charger that came with cordless 24 volt lawn mower. The charger that came with the mower did not shut its self off when the battery was fully charged, which means I had to time how long it was charging or cause damage to the battery. With the Schumacher the meter shows how much its charging (amps), and shows how it gradually reduces the charge as the battery reaches capacity, eventually shutting its self off. No risk of over charging the battery. The only negative is that the charger gets quite hot, even when it has charged the battery and essentially turns its self off. For this reason I am hesitant to leave it connected to a battery long term, even thought it will not over charge the battery. The 12 and 24 volt switch will also be handy for charging car batteries. The price was very reasonable compared to other chargers.
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Verified Purchase
It works as advertised. Would be more convenient to use if it had an ON-OFF switch. As it is, On and Off are accomplished by plugging it in and unplugging it.
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Verified Purchase
My wife is an artist who uses two 12 volt AGM batteries to power 9, 6 Watt LED he lights in her art show booth. Those batteries must be charged every night so they are ready for the next day when they run from 10 AM until 5 pm and sometimes longer. When you connect this charger, put it on automatic and 24 volts you can sleep well knowing the batteries will be fully charged by morning. This is a heavy duty charger in two ways...it can charge two batteries at once and it's heavy. While we charge two batteries at a time, it can easily be switched to charge just one. We couldn't be more satisfied and would recommend it to anyone.
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