The Growatt Vita 550 Portable Power Station is designed to power most of your essential devices and electronics with a 600W output rating. Equipped with a 538Wh LiFePO4 battery, the VITA 550 is designed to handle most medium-duty needs in the field, with a long-life battery supporting many charge cycles. With an onboard charger, users don't need to carry any external charging bricks to charge the unit out in the field.