Growatt VITA 550 Portable Power Station 538Wh - Compact LiFePO4 Power With 600W Output
Published on 09/04/2026 at 08:50 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
The Growatt VITA 550 Portable Power Station 538Wh is a compact battery-powered generator built around a 538Wh LiFePO4 pack, offering up to 600W of continuous AC output and brief surges to 1200W to cover short power spikes. With a weight of about 17.99 lb and dimensions of roughly 12.2 x 8.4 x 7.8 inches, it targets US users who want a grab-and-go box that can sit on a porch, in an RV or under a desk without taking over the space.Review specs from Camera Jabber
Battery, Output And Charging Performance
At the core of the VITA 550 sits a LiFePO4 battery with a rated capacity of 538Wh, paired with an inverter that delivers 600W of continuous AC power and can handle peaks up to 1200W, giving some headroom for devices that draw more at start-up like small compressors or kitchen appliances.Capacity and output figures The unit also supports a Watt+ or X-Boost style function that allows it to power loads above the nominal 600W rating on specific compatible devices, pushing effective output up to about 1050W under controlled conditions.Watt+ output description
Charging performance is one of the selling points. Connected to AC mains, the VITA 550 can go from 0% to full in around 1.6 hours in its faster charge mode using a roughly 500W input, while a normal charge pace lowers the input to about 300W and stretches the time to about 3.5 hours for users who prefer gentler charging.AC charging times and modes For off-grid use, the station accepts solar input up to 240W with MPPT control, allowing it to reach full charge in about 2.5 hours in strong sun when paired with sufficient panel capacity.Solar input figures
Ports, Design And App Control
The Growatt VITA 550 surrounds its battery with a broad set of outputs for mixed device loads. It offers three 120V AC outlets rated at 600W combined continuous output with 1200W surge capability, multiple USB-A ports including at least one quick-charge port, a 100W USB-C port suitable for modern laptops, a 12V car outlet around 132W maximum, a pair of 12V DC barrel jacks, and a 15W wireless charging pad on top, bringing the total to around 11-13 usable outputs depending on configuration.Port layout and wireless charging That mix aims to keep phones, tablets, cameras, small fridges and lights running from one box without daisy-chaining adapters.
The enclosure stays compact at about 12.2 inches long, 8.4 inches wide and 7.8 inches tall, with a weight quoted around 17.99 lb, so it is noticeably lighter than many higher-capacity stations but heavier than mini packs.Dimensions and weight details The casing includes a top handle, status display and ventilation, and internal management relies on a battery management system and MPPT control to balance safety and efficiency, backed by a two-year limited warranty on the device.Warranty and management specs
Beyond hardware, the VITA 550 can be monitored and controlled through Growatt's app, often referred to as the MyGro app, which uses Wi-Fi and Bluetooth connectivity to show real-time power flows, remaining capacity and charge status while allowing basic control of output modes.App control features That software layer is designed to complement the on-device display and buttons for users who keep the station tucked away or integrated into RV or small home setups.
Growatt VITA 550 Portable Power Station Details
Growatt provides full specifications, charging options and accessory information for the VITA 550 Portable Power Station on its dedicated product pages.
Manufacturer, US Presence And Pricing
Growatt markets the VITA 550 under its own consumer brand for portable power, and in the United States the relevant sales and service entity is Growatt USA Inc., based in Northridge, California, which lists contact details for sales and service support for US customers.Growatt USA contact information That US presence supports distribution of the VITA 550 through domestic retail and direct channels.
Pricing for the Growatt VITA 550 can vary by bundle and promotion. A review that references the official website lists a regular price of around $529, with promotional discounts dropping it to about $459 at the time of that publication, highlighting its position in the midrange segment of compact power stations.Indicative pricing figures US electronics retailers also list packages that pair the 538Wh station with foldable solar panels, positioning it as a kit for camping, RV and basic home emergency use.Bundled kit listing
How It Compares In The Portable Power Segment
Within the class of compact LiFePO4-based portable power stations, a 538Wh capacity and 600W continuous output place the Growatt VITA 550 in a middle ground between smaller 300-400Wh boxes aimed mainly at phones and lights and larger 1000Wh-plus units built for heavy appliance loads. Its ability to fully recharge in roughly 1.6 hours from AC at around 500W input stands out, as slower-charging competitors in similar capacity ranges often take several hours longer at lower input rates.Charge speed comparison context
Weight around 17.99 lb keeps the VITA 550 relatively portable compared with larger stations that can easily exceed 25 lb at higher capacities, though ultralight alternatives with smaller batteries remain easier to carry for single-device use.Weight figure for comparison The mix of 11 or more outputs, including 100W USB-C and wireless charging, gives it an edge over older designs that still lack high-power USB-C or wireless pads, and the LiFePO4 chemistry with over 3000 cycles to about 80% capacity promises a longer service life than many NMC-based stations in the same power bracket.Cycle life and chemistry details
Placement And Use Case Verdict
The Growatt VITA 550 Portable Power Station 538Wh fits best for US users who need a compact, mid-capacity box that can power multiple small devices, networking gear or light appliances during short outages, camping trips or tailgate events without moving into the weight and price of kilowatt-hour-class stations. Its 538Wh battery, 600W continuous output, 1200W surge capability and fast 1.6 hour AC recharge help bridge everyday convenience and emergency readiness, while the solar input up to 240W keeps it relevant for off-grid use with suitable panels.Use case overview In a segment where capacity, output flexibility and charging speed define the experience, the VITA 550 presents a balanced midrange option for campers, RV users and homeowners looking for a compact backup solution rather than a whole-home battery.
Growatt VITA 550 Portable Power Station Facts
- Product: Growatt VITA 550 Portable Power Station, 538Wh
- Manufacturer: Growatt USA Inc., Northridge, CA
- Category: Portable power station (LiFePO4 battery)
- Capacity: 538Wh LiFePO4 battery pack
- AC output: 600W continuous, 1200W surge
- Dimensions and weight: 12.2 x 8.4 x 7.8 in, 17.99 lb device weight
- Price: Around $529 list, with discounts to about $459 (as of 09/04/2026)
- Target audience: US campers, RV owners and homeowners needing mid-capacity portable backup power
