On Sat, 8 Feb 2014 11:25:48 +1300, RussellMc wrote: :: 20 of these in series (with balancing) at about $200 :-) Is that a series/parallel combination? The datasheet states 2v70 nominal,=20 so 10 in series would equal a 24V battery, no? Colin -- cdb, colin@btech-online.co.uk on 8/02/2014 =20 Web presence: www.btech-online.co.uk =20 =20 Hosted by: www.justhost.com.au =20 =20 This email is to be considered private if addressed to a named individual= =20 or Personnel Department, and public if addressed to a blog, forum or news= =20 article. =20 =20 =20 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .