jrr
New Member
Posts: 17
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Post by jrr on Mar 21, 2013 18:18:38 GMT
This didn't really occur to me, but 6 volt battery chargers are a bit of a rarity now. I don't like battery chargers anyway because they can be quite crude and if you actually read the instructions, some tell you to disconnect the battery from the vehicle to avoid damaging the cars charging system etc. Solution: Well I use a Farnell regulated power supply just like this one, I got mine from ebay and it didn't cost much, about £30 max. www.ebay.co.uk/itm/Farnell-E30-1-Stabilised-Power-Supply-FREE-P-P-/400442773133?pt=UK_BOI_Electrical_Test_Measurement_Equipment_ET&hash=item5d3c3fce8dIt can only deliver one amp so it might take two days to charge a flat, but it's safe to keep it connected permanently and you can set it to a limited current, I set mine to about 7 volts and 0.2 amps, when the voltage increases the current drops, so you won't fizz up the electrolite. It's also very useful for testing components, and experimenting. I mean to fit a small socket to the front of the car, as I have to my Mcycle, so that I can just run out a lead and plug in. Important to use a fuse where you connect to the battery! I have found to my cost that if you let a battery sit neglected for too long it dies.
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Post by macplaxton on Mar 21, 2013 20:32:36 GMT
Lidl do an "Ultimate Speed" smart charger from time to time for shirt buttons. It does 6v, but only at around 0.8A, but then again they only claim in good for motorcycle 6V batteries. Took about 3 days to charge 6v car battery. Got a couple of old-school tin box Selmar ones now. I'll get a pic later. When I was a nipper and for many moons since, my dad had one of these in the garage. A Davenset Senior 5A. Davenset_Senior_Battery_Charger_6V_12V_002.jpg by macplaxton, on Flickr
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thebear54
DAF Nut
Those who say it can't be done, should not interupt the people doing it !
Posts: 1,426
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Post by thebear54 on Mar 21, 2013 23:22:28 GMT
6 Volt/12 volt combination charges are still very common here in the States. The two units I have here will put out 2 amps even when set on 6 volt and completely recharge a battery almost overnight.
Very handy (also very necessary) tool to have around.
John
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Post by spunkymonkey on Mar 21, 2013 23:41:24 GMT
Argos were doing a 6 amp 6 / 12v one about 18 months back (cos we got one). Seems to work well enough but it's a little too electronic for me - personally I prefer a simple transformer and diodes so you can over-charge if you need to (useful sometimes for slightly dud cells)
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andrewthe33
Bigger Belter
I don't know what you've done to me, sir, but you've done me the power of good!
Posts: 158
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Post by andrewthe33 on Mar 28, 2013 21:55:52 GMT
I recently bought a charger from Screwfix (and no, it's NOT an internet dating agency...) that does 12 volts fast and trickle charge and 6 volt trickle charge. It's a realy solid bit of kit & I use it to keep all my batteries topped up.
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