The Article is at http://www.pcpro.co.uk/realworld/354151/why-are-laptop- batteries-more-expensive-than-lawnmower-batteries
In the article one of the examples he mentions are the Ryobi’s ONE+ power tool battery packs which are 18V. On Tuesday 15 December 2009 03:19:33 pm Aaron Burt wrote: > On Tue, Dec 15, 2009 at 02:31:11PM -0800, Dwight Hubbard wrote: > > Since we have some hardware hackers on the list. > > > > I saw this article about the price difference between laptop and lawn > > tool lion batteries. Which got me thinking, how difficult would it be to > > build a cheap garden tool battery into a laptop power cable. > > It'd be nice to see the article. > > A couple remarks off the top of my head: > * My laptop takes 19V, most power tool batteries are less than that. Which > means a DC-DC converter with 5-15% power loss. Add to that the loss inlap > the laptop's internal power supply. > * Hopefully you can find a good way to hook up to the battery w/o damaging > the charging contacts. Otherwise, you're buying/making a charger as > well. > > All that said, power-tool batteries can be a pretty good deal, especially > when you already have the tools and charger. > > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug > -- Dwight Hubbard Owner Effective Automation Solutions Website: http://effectiveautomationsolutions.com Email: [email protected] Phone: (503) 941-0327 Redhat Certified Engineer - RHCE #804007137224095 VMware Certified Professional - VCP #18529 _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
