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Hi, thanks to everyone who answered my question regarding halogen bulbs. While Hechinger is new to me too, I suspect that we are talking 6 or 12 volt bulbs. A 12 volt bulb with 8 NiCads (10 volts) proved no good- I tried long time ago. (That was Radio Shacks 20W/12V incidentally). All I got was yellow mush. Also, halogens need to be powered within 10% of their stated voltage for the halogen cycle to be activated so a 12 volter isn't for me. I followed up on the leads I got and did find that Bulbman, Las Vegas, Nevada, U SA: 1 800 648 1163 sells the 15 W/10.5 Volts GE794 G-4 base halogen bulb for less than $6 ($5 s/h added). Just for the record not all halogen bulbs are born equal. There are differences in the quartz (breakability), the coating (reflects infrared heat for more efficiency), the internal gases (halogen or xenon halogen etc), the seals (the legs expand a large amount during heating/cooling), the filament (don't know much about the filament or how it is built/doped) and how the filament is attached to the filament support "pillars". There might be other issues too that I don't know about. Having spent some time worrying about lightbulbs, I wonder if divers would/could comment on how long (in approximate hours if possible) various bulbs can be expected to last. I'm especially interested in the numbers from people who don't switch their lights on/off much (that includes not testing batteries in the light right after they come off the charger) because I want to get a grip on how long a bulb will last in *continues* use. I'll summarize and post if anything significant turns up. thanks, john 015
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