a good solution is to get an auto adapter and run off a dc output like the gcigarette lighter. KGH >From: "Jim Fidler" >Reply-To: "Jim Fidler" >To: >Subject: Re: TWL: Laptop Inverter >Date: Mon, 20 May 2002 16:14:44 -0500 > >Mel > >I think it is possible but not likely that the non-sine wave power could >cause a laptop's charger to act up and over charge or undercharge the >battery. The laptop chargers are electronic devices and could be affected >if the waveform is very "ugly". I'm sure you couldn't have this problem if >you use their IPS-300 pure sine wave inverter but you'll pay a lot more than >for a little 40 or 50 watt standard inverter. > >But I'd be very hesitant to ever run my laptop without the battery >installed. I think that the battery provides significant protection against >voltage spikes that could harm your laptop's circuits, especially when you >are using a non-sine wave inverter in a boat. I'd even bet that some >laptops won't run on the AC or car adapters when the battery is missing, >just for this reason. > >I looked at Analytic's website and did not find the statement about removing >the laptop battery. However I did read one other recommendation that makes >a lot of sense. The say that it is bad to connect an (large) inverter to >the same battery bank that is used to run your boat's electronics, >(especially the autopilot). Large inverters can feed back considerable 60 >Hz ripple into the battery and thus into all electronics powered by that >battery bank. Of course, they say that their products don't have this >problem like their competitor's do. > >I've used my little 40 watt (cheap) inverter quite a bit with my laptop >(battery always installed) and haven't had any problems that I knew about. > >Jim Fidler "Fiddlesticks" >_______________________________________________ >http://lists.samurai.com/mailman/listinfo/trawler-world-list ------------------------------------------------------------------------ Send and receive Hotmail on your mobile device: Click Here