Hi Everyone,

The thread a few weeks ago about lead poisoning got me thinking about
other hazards in electronics.. Specifically that of recharging lead-acid
batteries and other rechargeables.

I know that recharging car batteries gives off some kind of explosive gas
because it was one of the first things my mig-welding mentor warned me
about unplugging the charger before repairing the car, but I've not found
anything by Googling to elaborate on it.

So would the same warnings hold for other batteries containing lead? I ask
because I've got some 'Sealed Lead Acid' batteries that state they are not
to be charged in a sealed enclosure (which is a bit more oxymoronic than I
like on my safety lables).

And while I'm on it, how about the other more common types, NiCd and NiMH?
Are they all silently producing dubious gasses? Google only seems to want
to tell me about regulations in constructing the actual battery :/

Cheers,

Tim

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