KEY FEATURES - Charge 1kWh in only 1.3 hours while you drive - A 3-in-1 fast charger, maintainer, and jump starter - Expands existing RV battery capacity - Safety-assured for any journey - Clean, easy install - Suitable for versatile vehicles (SUVs, pickups, RVs) THE ECOFLOW 800W ALTERNATOR CHARGER. The Ecoflow 800W Alternator Charger is the industry's first drive charge plug in power solution. Charge your Ecoflow power station at up to 800W – that's up to 8 time faster than the standard car charging method. WHAT IS THE ECOFLOW 800W ALTERNATOR CHARGER? The EcoFlow Alternator Charger provides up to 800W of charging power while on the go, allowing you to charge 1kWh in just 75 minutes. It connects to your vehicle's alternator, which generates substantial power .