Amazon.com has Schumacher Electric Manual Battery Charger & Engine Starter - 12V, 150A with 25A Boost - Heavy Duty Engine Starter & Charger for Standard, AGM, Gel & Deep-Cycle Batteries - 6-Foot Output Cables SC1437 on sale for $100
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Amazon.com has Schumacher Electric Manual Battery Charger & Engine Starter - 12V, 150A with 25A Boost - Heavy Duty Engine Starter & Charger for Standard, AGM, Gel & Deep-Cycle Batteries - 6-Foot Output Cables SC1437 on sale for $100
Model: Schumacher Electric Manual Battery Charger & Engine Starter - 12V, 150A with 25A Boost - Heavy Duty Engine Starter & Charger for Standard, AGM, Gel & Deep-Cycle Batteries - 6-Foot Output Cables SC1437
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I almost bought this a few days ago. I made due with their 15amp $40 charger that costs less and will be easier to store. Apples to Oranges as the 15amp can't jump start but I have jumper cables and the mini battery jump starters work for my needs.
Ive had a 150a unit like this for over a decade. It is good for charging a weak car battery quickly. However it is big and bulky. One thing though, and maybe just mine, the "crank" mode never worked to crank a car with a dead battery instantly. I'd always need to leave it hooked in boost mode for 15-20m then it would crank. If you just want to maintain a cars battery that's in storage get a 2a trickle charger. You don't want to use this for something like that.
Ive had a 150a unit like this for over a decade. It is good for charging a weak car battery quickly. However it is big and bulky. One thing though, and maybe just mine, the "crank" mode never worked to crank a car with a dead battery instantly. I'd always need to leave it hooked in boost mode for 15-20m then it would crank. If you just want to maintain a cars battery that's in storage get a 2a trickle charger. You don't want to use this for something like that.
A small engine may be able to get by with 200A @ 12VDC to run the starter motor. Most cars will need 300 to 500A to crank the engine.
This unit is rated at 150A @ 12VDC, or 1800W. To meet this rating, you'll need to connect the unit to a 15A house breaker, and hope that the AC to DC converter inside the unit is 100% efficient. In summary, this is BS advertising.
To avoid damage to an old battery that cannot run the starter motor, add distilled water to the correct level. Charge the battery for at least one day between 2-5A @ 12VDC and hope that the battery will hold the charge. Most battery maintainer can deliver this current. No need to spend more on a bigger battery charger.
Modern alternators are not designed to charge a dead battery or maintain a weak battery over a long period of time. Clean the battery posts, battery terminals, ground, and alternator terminals. Replace the battery if the remaining power is less than 40% (free load test at Autozone). A $70 Wal Mart battery is cheap compared to several hundreds for an OEM alternator.
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This unit is rated at 150A @ 12VDC, or 1800W. To meet this rating, you'll need to connect the unit to a 15A house breaker, and hope that the AC to DC converter inside the unit is 100% efficient. In summary, this is BS advertising.
To avoid damage to an old battery that cannot run the starter motor, add distilled water to the correct level. Charge the battery for at least one day between 2-5A @ 12VDC and hope that the battery will hold the charge. Most battery maintainer can deliver this current. No need to spend more on a bigger battery charger.
Modern alternators are not designed to charge a dead battery or maintain a weak battery over a long period of time. Clean the battery posts, battery terminals, ground, and alternator terminals. Replace the battery if the remaining power is less than 40% (free load test at Autozone). A $70 Wal Mart battery is cheap compared to several hundreds for an OEM alternator.
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