Continuous Oxygen Flow at 5 Liter/Min: 4XL = ~4 hrs, 8XL = ~8 hrs
Runs all makes and models. Wall Charger and Car Charger Included.
Charge with Zopec Solar Charger in 10 hours (sold separately)
Battery Service Life: 5-8 years. Weight: 4XL: 24 lbs, 8XL: 40 lbs.