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Jan. 10, 2014 @ 1:54a by ArtieLange
posted: Jan. 10, 2014 @ 1:53a
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It's a trickle-charger/maintainer. I keep my motorcycles & lawn tractor on them, so that in the springtime, they're fre... (more)
mrdjman (Jan. 11, 2014 @ 7:04a)
Yes - essentially a float charger with ability to deliver up to 2A - which is not much. Much prefer to wait a bit and buy... (more)
Appelski (Jan. 12, 2014 @ 11:31a)
Typical car battery: 60 amp*hours This charger/maintainer max output: 2 amps
(60 amp*hours)/(2 amps) = 30 hours to fully... (more)
larrymoencurly (Jan. 12, 2014 @ 3:50p)
DieHard Battery Charger/Maintainer Brings Fully Automated Charging from the Convenience of Your Vehicle
Fully automated and lightweight, the DieHard Portable Battery Charger/Maintainer is a great handy tool for use during emergencies. This portable charger is perfect for use on 6 and 12 volt lead-acetate batteries. Keep your batteries fully charged and ready to go when you need them most.
Featuring the Float Mode Monitoring, this DieHard Battery Charger/Maintainer prevents batteries from overcharging, while its Reverse Hook-Up Protection makes it safe for continuous performance. This charger includes 50 amp battery clamps which help you maintain batteries of cars, RVs, boats, motorcycles, lawn tractors, ATVs, snowmobiles or antique and classic cars. Bring home this battery charger and start up all your winter equipments with ease.
Fully automated, the DieHard Portable Battery Charger/Maintainer is ideal for use on most vehicles Float Mode Monitoring slow charges 6V and 12V batteries at a rate of 2 and 4 amp, and prevents them from overcharging Accessories include 50 amp battery clamps, 12V accessory plug and permanent ring connectors for efficient charging Available in black Item Weight: 2.8 lbs. Three-year free replacement warranty
bhavin66 said: Not a jump starter in real terms. Remove the battery, charge it up and connect it back and you got a jump. You sure about that? It says it is for use on most vehicles, not on most batteries. The way I read it, that implies one needn't detatch the battery.
Toddler said: bhavin66 said: Not a jump starter in real terms. Remove the battery, charge it up and connect it back and you got a jump. You sure about that? It says it is for use on most vehicles, not on most batteries. The way I read it, that implies one needn't detatch the battery. you are right. i misread the instructions. But it does say keep it as far as possible from battery to be charged.
Bizatch said: This is not powerful enough to jumpstart a car.. Heck, it's not powerful enough to even charge up a rather dead battery.
This is ONLY good for maintaining a charge on a battery. Like a car battery you used 1 time to start a car./ Or a deep cycle battery that hasn't been used much since it's last charge.
I have a couple of these (or at least, I have the three years ago version of these). They work just fine on completely dead batteries, they just take a long time (a day or two). If a battery is only half dead, like it's got power but you can't quite get the engine to turn over, it'll charge it to where you can start the car in four or five hours.
Bizatch said: Heck, it's not powerful enough to even charge up a rather dead battery This doesn't make any sense, there is no increased charging amperage requirement the farther a battery becomes discharged, just time. And in fact it's much less destructive to batteries to charge them slower.
My own recent dead battery experience with another charger: charged from 60% to 100% in about five hours, left it float charging overnight to boot.
Next morning - no start, not even a weak attempt to start. So batteries do just 'go' at some point. I'm guessing a 'cell' or its equivalent was dead and that the 100% charge didn't account for this condition at all.
My plan for this unit is to just keep my battery 'happier' when conditions warrant it, like when overnight is crazy cold as it was this past week and when I have not started the car in a week.
You are very Welcome. Mine has come in handy a couple of times, that and the small air compressor are the 2 best things I've bought for my car. I don't know how many times I had a flat tire and aired it up and was able to drive somewhere to get it fixed.
I got this at Kmart on black friday for 14.99. This thing is actually very small. It only measures about 6"x3"x2", but it looks bigger in the photos. The only problem I have with the unit is that it does not auto shut off when battery is fully charged. Not sure if it is defective. So far I have only used it once to charge the battery in my wife's car. Took about 5-6 hrs to go from ~12.2(no-start) to 12.9V.
It's a trickle-charger/maintainer. I keep my motorcycles & lawn tractor on them, so that in the springtime, they're fresh as a daisy, and will start right up. If your battery freezes (especially in the cold weather most of us had last week...) you'll get left stuck in your driveway some morning when you need to get to work. These maintainers help alleviate that.
esoterica said: Bizatch said: Heck, it's not powerful enough to even charge up a rather dead battery This doesn't make any sense, there is no increased charging amperage requirement the farther a battery becomes discharged, just time. And in fact it's much less destructive to batteries to charge them slower. Typical car battery: 60 amp*hours This charger/maintainer max output: 2 amps
(60 amp*hours)/(2 amps) = 30 hours to fully charge a completely dead battery But charging is only about 60% efficient: (30 hours)/(0.60) = 50 hours
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