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  • Schumacher PSW-70300A 12 Volt Manual or Automatic High Performance Charger
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Schumacher PSW-70300A 12 Volt Manual or Automatic High Performance Charger


List Price: $365.99
Price: $299.95 & FREE Shipping. Details
You Save: $66.04 (18%)
Only 10 left in stock (more on the way).
Ships from and sold by Amazon.com.
  • For charging 12V battery systems
  • 300 Amp engine start, 70 Amp rapid charge, 40 and 20 Amp fast charge and 4 Amp slow charge
  • Large face, clear-view ampere and volt meters have easy to read graduated scales
  • Chrome-plated handle has a rubber grip and unique non-conductive clamp rest
  • This unit is a durable, heavy-duty steel cabinet with wide-track wheels
See more product details
17 new from $299.95
Special Shipping Information: This product cannot be returned to Amazon.com because it uses flammable liquids and gases, is classified as a hazardous material, or meets other criteria. Learn more

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Frequently Bought Together

Schumacher PSW-70300A 12 Volt Manual or Automatic High Performance Charger + Schumacher PSJ-2212 DSR ProSeries 2200 Peak Amps Jump Starter and Portable Power Unit
Price for both: $441.59

Buy the selected items together


Product Information

Technical Details
BrandSchumacher
Item Weight47.7 pounds
Product Dimensions21 x 16.2 x 20 inches
Item model numberPSW-70300A
Manufacturer Part NumberPSW70300A
  
Additional Information
ASINB002Y0EP64
Best Sellers Rank #209,503 in Automotive (See top 100)
Shipping Weight48.5 pounds (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
Date First AvailableNovember 20, 2009
  
Warranty & Support
Warranty, Parts: Parts
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Product Description

This high performance charger operates as fully automatically or manually. For charging 12V battery systems, the unit offers over-sized heavy-duty selector switches and rotary output switch selects between, 300 Amp engine start, 70 Amp rapid charge, 40 and 20 Amp fast charge and 4 Amp slow charge. The precision timer controlled operation offers a 2.25 hour timer with Off and Hold positions for controlled or continuous recharging. Large face, clear view ampere and volt meters have easy to read graduated scales. The tubular chrome plated handle has a rubber grip and unique non-conductive clamp rest. Includes an array of clamps and cables, 600 Amp heavy duty, chrome plated steel ultra grip clamps, 6-foot long heavy duty commercial gauge welding grade cables and extra long 9 foot AC line cord. A high volume cooling fan makes for efficient cooling and longer duty cycles. This unit is a durable, heavy duty steel cabinet with wide track wheels.

Customer Questions & Answers

Customer Reviews

3.4 out of 5 stars
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Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Jane Gallagher on February 20, 2013
Verified Purchase
Update: I am removing one star because of what I consider lame warranty service. The short version of the story: the timer dial mechanism broke and I called the manufacturer to get a replacement. I was given two options: send the entire charger to Texas for evaluation and repair (it's heavy and would probably cost $40 to ship) or purchase the replacement part. The manufacturer will not just send a replacement timer, even if I sent the broken one back. The impression I'm left with is that the manufacturer is trying to discourage warranty returns and in the process generate more sales.

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I purchased this charger for a fire house to replace a similar, 20-year-old Snap-On charger that had finally given out.

Pros:
* Durability - Not quite as solid as our old Snap-On charger, but acceptable in this day and age when every piece of metal and plastic seems to be thinner than a comparable part from the past. Seems to be built well enough for "fire house" use (and abuse) as well as use in a repair shop and/or home garage. Certainly well above the "made in China" or "Harbor Freight" quality level.
* Microprocessor control, etc. - Relatively goof-proof settings mean less chance that people who think they know what they're doing (but don't) will damage batteries or vehicle electronics (or themselves) by setting the controls incorrectly or hooking up the cables backwards. Yellow (charging) and green (charged) indicator lights as well as amperage draw and voltage meters give a good indication of what's actually going on during the charge beyond "oh, the fan in the charger is running, so something must be happening." The timer makes a very subtle "tick" so you know it's not stuck.
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4 of 4 people found the following review helpful By Davepl on November 28, 2012
Verified Purchase
I eventually settled on this model because once you get this large the "automatic" feature seems to be harder to find, but this one has it. Otherwise you're setting an amperage (like 40A) and a time, and you need to get it right or risk cooking the battery. This removes that risk (unless you choose to use the manual modes, which are all still there).

Decent quality, but it won't likely be an heirloom you pass down through the generations. My first one arrived caved in (and the box was undamaged). Of course Amazon handled that surperbly, but it still added a few days until I had a properly working unit.

This model has both voltage and amperage gauges, and they're analog.

Keep in mind that bigger is not always better. Even though this is rated at putting out 300A, I can't get a normal car battery to take more than 100 or so at best. I presume that's a function of the internal resistance of the battery, but there is indeed a limit to how fast you can charge a lead acid battery. 300A might be overkill for automotive stuff (but might be handy for large trucks, campers, golf cars, etc).
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2 of 2 people found the following review helpful By Michael J. McGowan on December 6, 2012
Verified Purchase
This unit was received in damaged condition. I read a previous review written about this item and completely agree with that reviewer - that person's first unit was also damaged. The unit comes in its own cardboard box with no outer box and the handle is packed tightly against the cabinet of the unit with very little clearance to the cardboard box. Therefore, if it is banged against other packages during shipping, it is very likely to be damaged. Hard to believe the manufacturer doesn't know this - or doesn't care, I guess. The unit looks like it will work OK, but the shipping packaging is very poor. Large dents on the sides and top of the unit. With Amazon's return policy, you cannot return this item and must dispose of it as "hazardous material". (Remember, this weighs about 40 pounds). I ended up talking with an Amazon customer service person and she was very helpful. They offered to order a replacement unit or fully refund my purchase price. I opted to try ordering again. She processed an order for another unit for me at no charge so I will see how that one looks/works when it arrives. Good luck if you order one of these! Follow up comment: Amazon sent a replacement unit to me within 5 days. It was triple-packed in cardboard boxes and arrived with no damage. Works great - have had to use it to jump an older 5.0 L engine and with a dead battery twice and engine started right up - this unit has plenty of power!
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2 of 2 people found the following review helpful By Stephen Hawkes on March 21, 2013
Verified Purchase
This tool offers a range of useful features, which are not available on cheaper devices such as genuine quick charge and starting capabilities. The auto charge feature is better than it was on my last charger because it brings the state of charge close to full. Useful meters indicate what is happening.
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