An excellent article about properly maintaining modern rechargeable batteries. http://www.howtogeek.com/169669/debunking-battery-life-myths-for-mobile-phones-tablets-and-laptops/ David Chittenden, MSc, MRCAA Email: [log in to unmask] Mobile: +64 21 2288 288 Sent from my iPhone VICUG-L is the Visually Impaired Computer User Group List. Archived on the World Wide Web at http://listserv.icors.org/archives/vicug-l.html Signoff: [log in to unmask] Subscribe: [log in to unmask]