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Hi All,

I am currently searching for heating solutions on a medical product i am working on which requires heating 50mls of water from 20 to 50 degrees celsius in 2 to 5 minutes. The water solution is contained in either a hard or flexible resevoir and therefore i am looking at flexible heating options. I have done calculations which indicate that 7.3 kilojoules is required to heat the solution and thus 24 watts within 5 mins. just wondering if it is possible to do it using batteries as we want a compact unit if possible and what is the most efficient heating solution.

 Hope to hear from someone soon and kind regards,

 Howe 

Howe,

I have had good results using lipo batteries

this link is where I have bought

http://www.all-battery.com/index.asp?PageAction=VIEWCATS&Category=354 

Buy one with a PCB and only use the charger that goes with these....lipo's can catch fire if not handled properly

Good luck