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VK3ABK > TECHNI 05.08.04 09:37l 24 Lines 937 Bytes #999 (0) @ WW
BID : 31333_VK3KAY
Read: GUEST
Subj: Charging car batteries.
Path: DB0FHN<DB0MRW<OK0PKL<OK0PPL<DB0RES<ON0BEL<7M3TJZ<SP7MGD<ZL2TZE<VK3KAY
Sent: 040805/0732Z @:VK3KAY.#WEV.VIC.AUS.OC #:31333 [Wendouree] $:31333_VK3KAY
From: VK3ABK@VK3KAY.#WEV.VIC.AUS.OC
To : TECHNI@WW
Hello all Techies.
In August 'Silicon Chip' (Australia's World Beating Electronics Magazine)
a reader asks about a 'Safe Battery Charger For Cars' He is concerned by
high voltage pulses, apparently mains borne, getting into the electronics
of modern cars. This is a situation often reported in the car world.
My son's 1981 Ford carries the warning to 'Disconnect the battery before
charging'. I have done this with my 1981 Mitsubishi, since I apparently
destroyed diodes in the alternator when the car was a few years old.
Battery charger leads are sold with spike suppressors 'to prevent this'.
But! The 'Silicon Chip' people replied to the reader, saying, " We know of
no reason why you should have to disconnect your car's battery when you
connect a mains-powered charger." No if's or but's there!
Who, or what, is correct in this controversial question?
73. Dick. VK3ABK.
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