EcoFlow Stream AC 5000
With 5024 Wh of LiFePO4 and up to 3000 W of AC exchange, the EcoFlow Stream AC 5000 adds storage to a solar setup you already own, with no inverter to buy.
Characteristics
- Capacity: 5024 Wh (LiFePO4)
- AC exchange: Up to 3000 W, charge and discharge
- Expandable: Up to 15 kWh per tower, 90 kWh across towers
- All weather: IP65, -4 °F to 131 °F (-20 °C to 55 °C)
- Adds to an existing solar setup, no inverter needed
Detailed overview: EcoFlow Stream AC 5000 home battery, no built-in inverter
The EcoFlow Stream AC 5000 is the inverter-free version of the new Stream 5000 generation, announced by EcoFlow on 20 August 2026. Where the plain Stream 5000 carries its own inverter for a brand new setup, the AC version connects straight over AC to a balcony solar system that is already in place, provided it already has a microinverter. It is therefore pure energy storage, aimed at people who already own a solar kit and simply want to store the surplus instead of letting it flow back to the grid.
Its 5024 Wh LiFePO4 battery exchanges up to 3000 W with the setup, both charging and discharging, and EcoFlow rates it for 10,000 cycles and a 15 year design life, backed by a 10 year manufacturer warranty. The casing is IP65 rated against rain and dust, with an operating range of -4 °F to 131 °F (-20 °C to 55 °C), which allows outdoor installation or an unheated room. A near instant UPS switchover port is also listed, to keep priority circuits powered during an outage.
The system is modular: a single unit already covers a household's evening consumption, and adding EB5000 extension batteries takes a single tower up to 15 kWh. Combining several towers, EcoFlow states a total capacity of up to 90 kWh, a positioning that goes well beyond balcony storage and into full home storage territory.
The product has just been announced and, at the time of writing, is confirmed available for order on the UK EcoFlow store, with several other European markets still on pre-order; no US retailer currently lists it, and EcoFlow has not announced a US launch date. The price shown here is the one seen at launch and may change in the following weeks. No customer reviews are available yet.
Full specifications
Detailed characteristics (EAN: 4895251687355)
Battery
| Technology?Battery chemistry; LiFePO4 lasts far longer and can be fully discharged, gel/AGM is maintenance-free and cheaper. | LiFePO4 (lithium) |
|---|---|
| Energy?Stored energy in watt-hours. | 5024 Wh |
| Cycle life?Rated number of charge/discharge cycles, at the stated depth of discharge. | 10000 cycles |
| Expandable up to?Maximum capacity reachable with add-on modules. | 15072 Wh |
Power and protection
| Output power?Maximum power delivered (for storages with a 230 V output). | 3000 W |
|---|---|
| Built-in BMS?Battery management system protecting against overcharge, deep discharge, short-circuit and overcurrent (lithium batteries). | Yes |
| Low-temperature protection / heating?Cuts off or heats charging in cold weather to protect the lithium cells. | Yes |
Solar section
| Micro-inverter?Power of the inverter that feeds energy back into the home grid. | 800 W |
|---|
Connectivity
| Bluetooth?Monitoring and settings via an app over Bluetooth. | Yes |
|---|---|
| Wi-Fi?Remote control and updates over Wi-Fi. | Yes |
Durability and format
| Ingress protection?Water and dust resistance (IP rating). | IP65 |
|---|---|
| Weight?Weight of the battery. | 98.3 lb (44.6 kg) |
| Dimensions (L × W × H)?Length × width × height, in millimetres. | 11.6 × 11.3 × 19.3 in (295 × 287 × 489 mm) |
Availability and warranty
| Market launch?Date the model first became available on the European market. Useful to place its generation: technology moves fast in this segment, and a device several years old may be at the end of its commercial life. | August 2026 |
|---|---|
| Warranty?Length of the manufacturer's warranty. | 10 years |
Comparison
How does the EcoFlow Stream AC 5000 compare with other high end solar storage batteries, for searches like "best 5kWh solar storage battery"? Here is how it stacks up against two references already in the catalogue: the Anker Solix Solarbank 4 E5000 Pro and the Zendure SolarFlow 2400 AC.
| Criterion | Stream AC 5000 | Solix E5000 Pro | SolarFlow 2400 AC |
|---|---|---|---|
| Capacity | 5024 Wh | 5024 Wh | 2880 Wh |
| Built-in inverter | No, AC coupling only | Yes, with 4 MPPT | Yes, AC coupling |
| AC exchange | 3000 W | 2500 W | 2400 W |
| Expandable | 15 kWh (90 kWh networked) | Up to 30 kWh | Up to 17.28 kWh |
| Price seen | ≈ $2029.65 | ≈ $2571.25 | ≈ $1623.45 |
In short, the Stream AC 5000 targets a precise use case: adding storage to a setup that already has its own inverter, without paying for redundant electronics. Against it, the Solarbank 4 E5000 Pro costs more but includes everything, panels included, with the widest expansion in the comparison. The SolarFlow 2400 AC remains the cheapest option, but with a much lower base capacity. For anyone who already runs a working balcony solar kit, the Stream AC 5000 is the most direct way to grow its storage capacity.
Related video
Video: EcoFlow AC 5000 Review | UK First Look at the New 5kWh Home Battery - Published on 07/08/2026
Frequently asked questions: EcoFlow Stream AC 5000 home battery, no built-in inverter
Yes, but not built into the battery: the Stream AC 5000 connects over AC to a microinverter you already have. That is what sets it apart from the plain Stream 5000, which carries its own inverter for a brand new setup.
Both share the same 5024 Wh capacity, but the Stream 5000 includes an inverter to start a solar setup from scratch, while the Stream AC 5000 has none and only adds storage to an existing system.
Yes. EB5000 extension batteries take a single tower up to 15 kWh, and combining several towers brings the stated total capacity up to 90 kWh.
Not yet through a US retailer. It is confirmed orderable on the UK EcoFlow store, with several other European markets still listing it as pre-order at the time of writing, but no US launch date has been announced. This listing will be updated as soon as a US order option appears.
Its casing is IP65 rated against rain and dust, with a stated operating range of -4 °F to 131 °F (-20 °C to 55 °C), which allows outdoor installation or placement in an unheated room.
Yes, like any grid-connected solar installation, though the paperwork depends on where you live: registration in the Marktstammdatenregister in Germany (no separate grid-operator notification needed since the Solarpaket I reform), a declaration to Enedis in France (plus a Consuel safety certificate if wired into a dedicated circuit), a communication to the local distributor under CEI 0-21 in Italy, and registration under the RD 244/2019 self-consumption regime in Spain. Check the current rules where you live before commissioning it.
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