[schnedan]

and it needs to be on to charge at full speed.

What is meant by full speed? Do you refer the Quick Charge standard?
Are there any plans to do "better" battery management like only charge / discharge the battery between 10-90% to enhance lifetime?


Just a note: Rockbox has a nice feature, if you press and hold the home-button while connecting with usb, the device does not establish a data connection, just use the power.