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Christian Vogel vogelchr at vogel.cxHi, >> i guess 5v DC and + in the middle? The pinout is GND/-, Temperature, Vbat/+. GND/- is at the PCB edge, Vbat/+ is towards the center. My phone will power up if I supply 3.6V to the terminals and hold the "red" button for 2 seconds. http://lh6.ggpht.com/_zKkNaqX3vkM/S63udOqgDkI/AAAAAAAAAs4/iAv6TXijru8/s1600-h/c123_battery_terminals%5B3%5D.jpg http://lh6.ggpht.com/_zKkNaqX3vkM/S63uYkMqq8I/AAAAAAAAAsw/AchCy85Z63g/s1600-h/c123_battery_compartment%5B3%5D.jpg http://lh4.ggpht.com/_zKkNaqX3vkM/S63uTomYZrI/AAAAAAAAAso/hwjG4jTsEBU/s1600-h/c123_battery%5B3%5D.jpg Chris