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If you want a higher efficiency, you'd be better off using a 6V battery. You can't run servos off 14V, anyway.Maximum voltage regulation efficiency is always when the battery voltage and the regulated voltage difference is the smallest.
am running everything off a 6V Ni-MH right now, but i'm tired of the 6 V battery having to be recharged 3 times for every 1 time i charge the Li-Ion
On a side note, Admin, I read in another post that you work for the Navy on UUV's, which coincidentally, I do to. I work on a base in Florida; NSWC PCD; are you anywhere near here?
What mAh is your 6V at? I use a 4500mAh for my ERP giving me 30+ min of play time.billhowl's suggestion looks good, too.Naval Research Laboratory, Washington, DCThis is what I'm working on:http://www.societyofrobots.com/robot_fish.shtml
The Robotics i work with are for the Navy's MCM ( Mine Counter-Measures ), UUV's that hunt down mines in various environments, and I would love to document what i do like you have, but since the program is mostly Secret Clearance or higher, they wouldn't like that very much. If you ever come to the Florida Pan-handle, i can show you around the base since you are a DoD employee.