On Sun, 24 Jun 2012 02:36:03 -0700, you wrote: >Check out this: > >Voltage: 3v >Nominal Capacity: 65mAh >Nominal Discharge current: 200=B5A >Max pulse discharge current: 75mA ...but the voltage at that current is going to be pretty low.=20 If it needs to be a coin cell, then you're going to need a capacitor/superc= ap to supply high current pulses A very small li-poly will be close to the size of a coin cell and should ea= sily be able to supply the current you need=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .