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Yeah, I noticed this one at SparkFun the other day;https://www.sparkfun.com/products/8882They have some neat little parts on that site.
After enabling sleep for the display, I ran a current draw test. 6ma draw for the Arduino + OKL2 in standby mode. If I turn off the "On" LED on the arduino, I bet it will be less than 1/2 that. This is without putting the arduino to sleep. There may end up being no real need for sleep on it after all.
What I am concerned with is charging and letting the charger terminate with it powered on. Thus far I have only left it on the charger up to 8.4v displayed and unplugged with the mod is turned on. The only time I have the let the charger terminate is when the box is turned off. Will a 6ma draw keep the charger turned on and end up overcharging the batteries?