- 500W Alternator Charger, 5x; faster than traditional in-vehicle auxiliary power outlets. Top up 1kWh in only 2.1 hours - A 3-in-1 fast charger, maintainer, and jump starter keeps your battery in mint condition - Compatible with third-party portable power stations - 3-step easy installation - Suitable for a variety of vehicles, including SUVs, pickups, and RVs - Expands existing RV house battery capacity * The 500W Alternator Charger comes with an XT60 cable, but does not support reverse charging & battery maintenance functions with the XT60 cable. To enable reverse charging & battery maintenance functions, purchase the XT150 cable and use with an EcoFlow DELTA Series product. * When used with third-party portable power stations, the 500W Alternator Charger does not support reverse charging & battery maintenance functions. * A DELTA Pro to Smart Generator Adapter is required to connect the Alternator Charger to DELTA Pro.