The charger is based of a relatively simple design, employing a 5.2 HP Kubota 4 stroke motor and a 12v car alternator to ... and [Glenn] says that the charger/generator only needs to run about ...

Moreover, a generator can also be a lifesaver in emergency ... lithium rechargeable battery that can be powered by an AC wall outlet, 12V car outlet, or a 60W solar panel (sold separately).