Hi Tony, For what it is worth...not internal but very light and stay at a full 12V running an FT817 for a long time... http://www.maplin.co.uk/Module.aspx?ModuleNo=346013&TabID=1&C=SO&U=strat25&doy=search&ma=Maplin%20Minigorilla%99%20Cheap%20Deals#spec
73 Graham G3VZV ----- Original Message ----- From: <[email protected]> To: <[email protected]>; <[email protected]> Sent: Monday, June 21, 2010 6:32 PM Subject: [amsat-bb] Re: Batteries for FT 817 > > In a message dated 21/06/2010 17:27:29 GMT Standard Time, > [email protected] writes: > > I use 2 FT817s for portable ops, and have been disappointed in the > battery > performance. Last year, I bought replacement batteries from Batteries > America, the FNB-72xe, rated at 9.6v. at 2000mAh. There's no noticable > difference between these new batteries and the originals. > > The batteries charge to just over 11.0 volts, but quickly drop through 10 > volts, as indicated by the voltage reading that appears when the rigs are > turned on. Maybe this is just normal behavior for a 9.6 v. battery. Is > this what you would expect? Has anyone found a battery with a higher > voltage > rating and/or one that will maintain a higher voltage for an appreciable > period--and fits into the 817? Every bit of power helps! > > Many tnx and 73, > Tony, N2UN > LM 183 > > > > Hi Tony. > > Not sure about fitting in the FT817....But there are a lot of people over > here participating in "summits on the air" driving / walking / climbing > to > the top of a peak and making some QSOs. The FT817 is very popular and > they > all seem to be using 3 series Lithium polymer cells. > According to the hype, the lithium polymers weigh nothing hold nearly > infinate charge and finally discharge within a few seconds of the natural > lifespan of the operators radio. > > Whatever the reality, they may be worth investigating. > > Regards > > David G0MRF > _______________________________________________ > Sent via [email protected]. Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
