Want to protect that beautiful glass display, keep that aluminum back scratch - free, or just keep your battery charged on the go? (imore.com)
Its 3.0 - litre petrol V6 is coupled to an electric motor / generator unit to keep the battery charged in transit. (motoring.com.au)
A solar panel on the probe's flat head keeps its battery charged, so it can perform its functions and remain connected to your Wi - Fi network 24/7. (techhive.com)