2021 PORTABLE MODEL: 218200C FAST 45W CAR CHARGER INCLUDED Content: Zopec Battery, Universal Wall Charger, fast 45W Car Charger, travel pouch, user manual, and nice white storage box. HAVE 3 OPTIONS FOR SOLAR CHARGERS (40W, 60W, 100W) for different weather conditions. (separate purchase) Common Uses: Camping/Hiking with CPAP 3 – 4 nights. RV over night with humidifier (mid-level) Silver Level UPS Technology: Uninterrupted sleep when power outages occur! UPS supports CPAP and BiPap. Must turn off Humidifier and Heated Tube. Battery stays at 100% as standby power. AutoSwitch to battery power instantly with sensors. Normally uses wall power with pass-through. Doesn’t hurt battery life plugged in 24/7. Ultra-High Battery Capacity: 288 Wh / 80 Ah. (about 1 car battery but only 3.5 lb.!) Sleep 8 - 12 hours with humidifier (up to mid-level) but no heated tube Sleep 21 - 32 hours without humidifier and heated tube (up to 4 nights of sleep!) NOTE: It will not get 8+ hours using heated tube. Use Explore Oxygen for heated tube. Solid State Peltier Cooling: Battery is 100% Silent! No cooling fans. Panasonic Lithium Ion Cells: Same brand as Tesla vehicles use! Smallest, lightest, best quality! Super Light and Compact: 3.5 lb. 7.75” x 5.5” x 1.75” in. (1 car battery weighs 40 lb.!) AC Outlet 110V (US): Works with all machine brands and models. Very Easy to Use! Just plug in the battery! No need for special adapters, inverters, or voltage matching! Powers Mac/PC laptops, internet modems, phones, tablets, lights, or any device < 120W Content: Battery, wall charger, fast car charger, travel pouch, user manual, storage box. Solar Panel Charger (optional): Allows travelling in remote areas. Fast 40W charging. Recharge Time: Less than 8 hours. Unlimited Linking Technology: No limit on linking up batteries to get more capacity! *** NOTE: NOT FAA/TSA Compliant for Air Travel (over 160 Wh Limit) *** All Zopec items are not elgible for our standard return policy, please call if you have any return questions.