Buy here: https://shareasale.com/r.cfm?b=153790... This video by Drone Tech Review documents the installation and testing of an Ecoflow Alternator Charger. Here's a summary: The Ecoflow Alternator Charger is a device that allows you to charge your EcoFlow power stations (Delta and higher) while your car engine is running. (0:27-1:05) It's helpful because car batteries can provide a reliable charging source when you're away from the grid and solar panels might be too slow or inconvenient. (0:30-0:45) The installation involves connecting two wires from the alternator to the charging box, and then plugging the box into your EcoFlow device. (1:57-3:11) Important Lessons Learned: The charger has an on/off switch that must be activated to begin charging. (3:24-3:41) You need the EcoFlow app to control the charger and ensure it's connected to the power station. (3:55-5:00) Additional Features: Charges up to 800 watts. (1:05, 5:24) Can be used to charge other power stations by daisy chaining. (6:51-7:50) Essentially, this video provides a helpful guide for anyone considering using an Ecoflow Alternator Charger to keep their power stations topped up on the go.