“The description says "Rechargeable Li-Ion battery plugs into a standard electrical socket."
Is a cord that plugs the battery into an electrical socket included?
Is this lantern compatible with a 9-volt outlet in a car using the proper adapter? Please comment on the port for the charging cord. Is it only the USB port, or is there a second port?
The USB cord can be used with a proper car adapter, wall socket adapter or laptop. •Rechargeable Li-Ion battery charges when USB cord is attached to any of these devices. The lantern can be used to charge other devices.
You can view the full instructions here: http://ucogear.com/assets/documents/TETRA_instructions.pdf