No battery mode

means the mode of operation when the battery charger is connected to the main electricity supply and the battery is not connected to the charger.

Open-placement wireless charger

means a federally regulated inductive wireless charger that does not incorporate a physical receiver locating feature (e.g., by a physical peg, cradle, locking mechanism, magnet etc.) to repeatably align or orient the position of the receiver with respect to the transmitter.