12v DC 5 amp Diaphragm pump, need help to wire

[AfricaUnite]

Hey guys I bought the above mentioned pump. It only came with bare leads (Red black) Im no electrician, so if anyone knows where to get a DC adapter to wire this too would be much appreciated. Ive done a lot of soldering and used heat shrink tubing for my computer wiring before but I dont really know where to get this adapter. I assume a hardware store would have one but if I cant get one with these exact specs (12V 5A) Can I safely go for one with higher amperage? Many thanks from a far-from-handyman.

[Tater]

Any auto type 12volt battery /or charger with 5 amp or better rating should do the job.

[HookLine]

Can I safely go for one with higher amperage? Many thanks from a far-from-handyman.

Yes. In fact a bit higher amp rating is better, more head room. But the voltage must be the same level and type (12v DC).

[new_moonshiner]

less strain on the charger if you used a battery and a charger to back it up..

[goose eye]

deep cycle batery if you goin that path.

radio shack

[MrWrong]

Now, not to come off as a jerk, but being the high tech redneck in these parts I'll make it simple.

You need a 12 volt battery (from a car or something) and a battery charger for it that will be at least 5 Amps, more is better in this case.

Unlike what was implied by Tater there, you most likely cann't do it with the charger alone. Some chargers have built in protection circuits to keep you from using the charger as an easy way to convert AC (household current) to DC (car battery). It's another couple books worth of war stories on how I know this.

You hook the Red Wire up to the + side of the battery and the black upto the - side of the battery. Hook the charger to the battery and you're in business.

Good luck

[Likkerslurper]

But dont leave it permanently on charge unless you want to be wiping battery acid & bits of battery off of the ceiling. Been there & got the t-shirt on this one.

Phil.

[AfricaUnite]

Thats great thanks guys, im going to keep an eye out for a used car battery

[wineo]

Theres one other thing you could use that would be less hassle than having a car battery to worry about.Get a 12v regulated power supply.
The kind you could run a cb radio off of.They come in all sizes,and you wouldnt need a real big one.A 5 or 6 amp would be big enough.
wineo

[new_moonshiner]

you could always look for a deep cycling marine battery and hook the charger to it from experience I have left the battery charger on during use when the battery is charged on most chargers I have found is the shut down when Battery is fully charged .. something along the lines of a Marine Battery would be good...

[AfricaUnite]

Wineo - You got me thinking, Could I use a computer power supply? Even cheap computer power supplies at 12V have 10-14A ratings. I have a very good power supply out in my shed that is 20A on the 12V.

The only problem I see with batteries is the bulk. The pump is only 10 inches long and weighs about 8lbs. Not large by any means, attaching a car battery would make it a fairly bulky item.

New Moonshiner, thanks for the point I just remembered I have 2 old Deep cycle marine batteries up at the cottage. If my power supply idea dosent work out I can grab those for free. Otherwise I know a guy who has many many cars and has many many old car batteries.

[wineo]

Those computer power supplys should work fine if the voltage is right.
wineo

[cannon.co.tn]

A PC power supply is a switching supply, you'll have to find the control lines. It's been a long time since I've played hardware guy IRL but if you have a properly rated powersupply (PC or otherwise) there is no reason for a battery. Power supplies are typically rated at continuous duty so intermittent and start-up capabilities are usually quite a bit higher. One of the main limits on the rating is due to the ability of the PS to dissipate the heat when running. A higher startup or intermittent load will not instantly overheat the PS but running continually at or slightly above the rated capacity will shorten the life of the power supply and due to the heat can pose a fire risk.

I shop at a place called wierdstuff (they have a website too) and they often have tons of laptop power supplies that would work just fine to drive a 5 amp pump. I didn't see any on their website but they keep them in stock for $10 or so.

Here are some of the big Lab-style power supplies wineo was talking about:
http://shop3.outpost.com/search?cat=-45 ... e=pDisplay" onclick="window.open(this.href);return false;" rel="nofollow

[goose eye]

car battery aint deep cycle.
deep cycle is made to be run down time an time again
car batterys aint they made to have a constant full charge but not
over full charge.

[cannon.co.tn]

car battery aint deep cycle.
deep cycle is made to be run down time an time again
car batterys aint they made to have a constant full charge but not
over full charge.

yep
yep
and yep.

[Tater]