These are pictures of two way telemetry units, it will display individual cell voltages on screen of up to 10 cells, auto detects number of cells itself , it will also display total pack voltages, it will display up to 100amps on load, it will also give you watts on screen, digital readout of temps on the motor, the batteries, and also the speed controller.
In the menus you can change the displays and give you percentages left in packs, you can display R.P.M, you can also go into menu and change when the batteries trip voltages are to come on and give a bleep, you can change warnings on temp to what ever you want, and also change all parameters of warning to plane in flight or to boat on water, meaning upgrading software when in flight or what ever you have got it in.
Phil Middleton and myself are designing multiples of different units at the moment. Screen can be plugged into a computer usb and you can see all the data that has been logged and also on the screen on the handheld unit as you are using it, etc.
As you can see technology has come on in leaps and bounds in the last few years and no one or any other company has developed any thing near this yet.