On Tue, 2 Nov 2004, steve szmidt wrote: > > It is quite true for some classes of batteries. E.g. some Li-ion batteries > > will explode if charged (or in the case of rechargeable batteries charged > > with the wrong voltage / polarity). They pack quite a punch as well. The > > normal household alkaline batteries are safe as far as I know though. > > And at that you need enough amperage to blow it. Normal charge is not enough, > your charger should blow a fuse long before. Not what you find in normal home > charging equipment.
For non-rechargeable Li-ion cells the required energy input can be relativly small, if they are not internally protected. Those designed for soldering on to a pcb may be unprotected as the required circuitry is expected to be on the pcb. The ones I have encountered were safe even if shorted, but not if charged. Even a relatively small charging current can initiate a runaway energy release. It all depends on what kind of battery it is. I would expect all household batteries to be safe or we would have heared of a lot more explosions. If it is dangerous, they will be dumb. Peter _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users