The ECOFLOW DELTA PRO Portable Power Station has a 3600Wh capacity with 3600 watts continuous and 7200 watts peak output to handle your most demanding portable power needs. Combine the DELTA PRO Portable Power Station as many as to two Smart Extra Batteries to triple the runtime. Conveniently recharge your power station via a standard household AC outlet or harness the Sun’s power with solar panels. You can also quickly charge at with an optional ECOFLOW Smart Generator or at an EV station, so you never run out of power while you travel. The Smart Geneartor and EV adapter are sold separately.