Choose a suitable port and keep heat in mind before your next drive.
Match the power bank input, charger and cable. Charging speed depends on all three.
The car USB port can top it up. Check the manual for output power before expecting a fast charge.
Use a compatible car charger and cable. A higher charger rating cannot override the power bank input limit.
Use only in a ventilated outdoor area. Never run the engine in an enclosed garage.
Never leave it charging in a hot parked car. Keep it off the dashboard and out of sunlight.
Use the power bank wall charger. Keep below both inverter and vehicle socket limits.