Very high-capacity and expandable stations

Here the capacity of the station itself matters less than the capacity it can reach once the add-on batteries are connected.

These systems are built to grow with the need: start with the main unit, add one or more expansion batteries, and capacity climbs from 2 to 25 kilowatt-hours depending on the range. This is the entry point to full household backup, and the only format that can keep a house running for several days. The things to examine are the real cost of each added kilowatt-hour, often better value than the base unit, the output power which must keep pace with the growing capacity, and the connection method: some models wire into a dedicated panel, others remain limited to their own sockets.

No product matches these criteria.

Our selection

Jackery Explorer 2000 Plus

See price and availability (8)

Jackery's big expandable: 2042 Wh and 3000 W, expandable up to 24 kWh, with a 1400 W solar input and 95-minute mains charging.

  • Capacity: 2042 Wh (LiFePO4, expandable to 24 kWh)
  • Power: 3000 W (surge 6000 W)
  • Solar: Up to 1400 W (2 inputs)
  • Recharge: 0 to 100% in 95 min (mains)
  • Expandable up to 24 kWh, 5-year warranty
The Jackery Explorer 2000 Plus is a premium station built to last and grow with your needs. Its 2042 Wh LiFePO4 battery and 3000 W inverter (6000 W surge) power a home, a van or a worksite, and its modular architecture lets you add up to 5 batteries for 12 kWh, or even 24 kWh by pairing two units. With its 1400 W solar input, 95-minute mains charging, UPS function and app control, it is a scalable backup and self-consumption solution, backed by a 5-year warranty.
Several years after its launch, the Jackery Explorer 2000 Plus remains one of the most accomplished large expandable stations, and our test confirms why. On the bench, its 3000 W (6000 W surge) ran a panel of heavy loads (induction hob, grinder, fridge, lighting) without flinching, and the 95-minute mains recharge is a real comfort when time is short. Its flagship argument remains expandability: you start from 2042 Wh and climb to 12 kWh with five add-on batteries, or even 24 kWh by pairing two units, ideal modularity to size a home backup or self-consumption over time. The 1400 W solar input recharges fast in the sun, the UPS function protects sensitive devices, and the app control (Wi-Fi and Bluetooth) is complete. Two honest caveats: the weight (27.9 kg, thankfully on wheels with a telescopic handle) and the fact that it has been replaced on some markets by the lighter but less expandable Explorer 2000 v2. If scalability and power come first, the 2000 Plus remains a very solid, proven choice.
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EcoFlow Delta Pro Ultra

4299.00€ (7)

EcoFlow's modular home system: 6 to 30 kWh per inverter (up to 90 kWh), 7200 W and an online UPS to back up an entire house.

  • Capacity: 6144 Wh per battery (expandable to 30 kWh)
  • Inverter: 7200 W (up to 21.6 kW in triple)
  • UPS: Online, switchover under 20 ms
  • Solar: Up to 5600 W (dual MPPT)
  • Modular home system up to 90 kWh
The EcoFlow Delta Pro Ultra is not a simple portable station but a genuine backup and self-consumption system for the whole home. A base module combines a 7200 W inverter and a 6144 Wh LiFePO4 battery, expandable to up to 5 batteries per inverter (30 kWh) and up to 3 inverters (90 kWh, 21.6 kW). With its online UPS (switchover under 20 ms), its 5600 W solar input and its five charging methods, it secures a complete home for days. An infrastructure investment, to be connected via the transfer switch by a certified electrician.
The Delta Pro Ultra changes category: it is no longer a portable station but a brick of domestic energy infrastructure, and it must be judged as such. On our bench, a base module (inverter + one battery) powered a home load panel (fridge, router, lighting, pump, occasional induction hob) without flinching, and the online UPS switched the whole thing under 20 ms during our simulated outages, without a single flicker. The 7200 W available on a single inverter is what truly sets it apart from 2 to 4 kW stations: you plug in heavy loads without thinking. Expandability is the other killer argument: up to 30 kWh per inverter, 90 kWh and 21.6 kW with three inverters, you size it to a home's real needs. The 5600 W solar input and the five charging methods also make it an excellent self-consumption core. Two common-sense caveats: the price (from 4299 euros for the base module) and the installation, since the transfer switch requires a certified electrician and incurs costs. So it is not an impulse buy, but for anyone wanting to secure a whole house or aim for autonomy, it is one of the most accomplished modular solutions on the market.
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R4000 Allpowers R4000 3456Wh portable power station
Deal

Allpowers R4000

See price and availability (5)

3456Wh and 3600W in a wheeled format: the big station that backs up the whole home, recharges to 100% in one hour and is controlled by voice.

  • Capacity: 3456 Wh (LiFePO4)
  • Power: 3600 W (6000 W surge)
  • Recharge: 0-100% in about 1h
  • Comfort: Touchscreen, voice, wheels
  • 3456Wh, 3600W, 1h recharge, mobile
The Allpowers R4000 is a premium 3456 Wh portable power station that delivers 3600 W continuous, with a surge up to 6000 W for the most demanding appliances. Its LiFePO4 battery targets over 3500 cycles at 80% capacity, a mark of longevity. It recharges from 0 to 100% in about one hour (mains, EV charger or solar), and is controlled via touchscreen, voice or app. With its wheels and telescopic handle, it moves easily despite its capacity. The ideal solution for home backup, the van or the worksite.
The R4000 clearly plays in the big-station league, and you feel it from the first use. Its 3600 W swallow an induction hob, a space heater or heavy tools without flinching, and the 6000 W surge mode helps out with motor start-ups. We loved the express recharge: on mains, it is back to full in one hour, which changes everything when you want to top it up between two outages. The wheels and telescopic handle make its 40-odd kg far easier to move than we feared, and the touchscreen is clear. Voice control is a nice gimmick, the app more useful day to day to monitor charging. The LiFePO4 battery is reassuring on lifespan. The only real caveats: the weight remains substantial (this is not a hiking station), and the fan makes itself heard during fast charging or under heavy load. For a home backup reserve, a converted van or a worksite, it is a power beast with a very aggressive capacity/price ratio on sale.
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EcoFlow Delta Pro 3

£2799.00 (4)

4096Wh and 4000W output to power a whole home, quiet (30 dB) and expandable up to 12 kWh: the home backup station par excellence.

  • Capacity: 4096 Wh (LiFePO4, 4000 cycles)
  • Output: 4000W (X-Boost 6000W)
  • Expandable: From 4 to 12 kWh (add-on batteries)
  • Recharge: 0 to 80% in 1 h, solar 2600W
  • 4096Wh, 4000W, home backup
The EcoFlow Delta Pro 3 is a 4096Wh power station built for whole-home backup and the most demanding uses. It delivers 4000W of continuous output (up to 6000W with X-Boost), enough to power heavy appliances, from a washing machine to an EV charger. Expandable from 4 to 12 kWh with extra batteries, it switches over in under 10 ms during an outage, recharges 0 to 80% in one hour and stays very quiet (30 dB at 2000W). A true plug-and-play home power plant on wheels.
We put the Delta Pro 3 through its paces as a home backup power plant, and the experience is close to that of a fixed installation, without the building work. The 4000W output powers heavy loads no 2 kWh station can hold: washing machine, hob, large tools, and even EV charging in a pinch, with an X-Boost that climbs to 6000W for peaks. Its 4096Wh cover a good part of the house for several hours, and the expansion up to 12 kWh turns the whole thing into a multi-day reserve. What surprises most is the quiet: at 2000W, you barely hear it (30 dB), less than a fridge, real comfort indoors. The under-10 ms switchover kept our setup running during simulated cuts, router, fridge and lighting included. The wheels and telescopic handle help, but let's be honest: at over 50 kg, you move it, you don't carry it, and installation with a transfer switch requires an electrician. For serious, scalable home backup, it is one of the best references on the market.
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Jackery Explorer 3000 v2

See price and availability (4)

3072Wh and 3600W to run almost the whole home: fridge, hobs, tools. A high-capacity station that stays movable and recharges in under 2 hours.

  • Capacity: 3072Wh (LiFePO4 battery)
  • Power: 3600W continuous, 7200W peak
  • Outputs: 3 AC outlets, 2 USB-C 100W, 2 USB-A, 1 car socket
  • Recharge: Full in 1h48 mains, up to 1400W solar
  • 3600W and UPS backup for the whole home
The Jackery Explorer 3000 v2 is a high-capacity 3072Wh portable power station with a LiFePO4 battery, delivering 3600W continuously (7200W peak). It powers nearly every appliance at home or in an RV and acts as backup power thanks to its 0.02-second UPS switchover. Compact for its class (27 kg, with wheels and a handle), it fully recharges in 1h48 from the mains and accepts up to 1400W of solar input. Its battery lasts 4000 cycles and is controlled via the Jackery app.
The Explorer 3000 v2 plays in the big-station league, yet it stays surprisingly manageable for 3 kWh: the wheels and telescopic handle spare your back, which is not a given at this capacity. In practice its 3600W handled everything we plugged in, including two induction hobs and a kettle at once, without flinching. Over an RV weekend, the 3072Wh covered the fridge, charging the e-bikes and the lighting without watching the gauge. The backup feature is the real argument at home: plugged in during an outage, the switchover is instant (0.02 s), fast enough not to reboot a computer or a router. Recharging is impressive, under two hours from a regular socket. The only downsides are the weight, still hefty for a flight of stairs, and a price that reserves it for those with a genuine need for high capacity. A solid choice for serious autonomy.
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Fossibot F3600 Pro

See price and availability (4)

Powerful enough to back up the whole home: the Fossibot F3600 Pro delivers 3600W, stores 3840Wh expandable to 11520Wh and recharges at full speed.

  • Capacity: 3840Wh (expandable 11520Wh)
  • Power: 3600W (7200W surge)
  • Battery: LiFePO4, 4000+ cycles
  • Extras: UPS, WiFi/Bluetooth app, wheels
  • 3600W and 3840Wh expandable to 11520Wh, ultra-fast charging
The Fossibot F3600 Pro is a high-end portable power station of 3840Wh and 3600W (7200W surge), designed for long camping trips, backup power and heavy needs. Its LiFePO4 battery (4000+ cycles) is expandable to 11520Wh with additional modules, and its ultra-fast dual-mode charging fills up in record time. It includes a UPS mode to protect sensitive devices during outages, app control (WiFi/Bluetooth) and a wide range of ports. Mounted on wheels, it carries a large reserve anywhere. The F2400's big sister, for those who want more power and reserve.
The Fossibot F3600 Pro clearly plays in the big-station league, at a price that stays aggressive. What strikes you first is the power: with 3600W continuous (and a 7200W surge), it handles an induction hob, a space heater, a kettle or power tools without flinching, where 2000W stations stall. Its 3840Wh reserve lasts a good day for a fridge plus a few devices, and above all, you can add batteries to climb to 11520Wh, enough for real multi-day backup power. LiFePO4 technology reassures on lifespan (4000+ cycles) and safety. In use, the ultra-fast charging is a real comfort: you fill up in a handful of hours from the mains. The UPS mode switches over fast enough to protect a computer or a router during an outage, and the app lets you monitor and adjust the station remotely. The wheels and handle are welcome given the substantial weight. The only small caveats: it stays heavy and bulky (the price of capacity), and the fan is audible under heavy load. But for anyone after a powerful, expandable and durable station, the F3600 Pro is excellent value.
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R3500 V2 Allpowers R3500 V2 2880Wh portable power station
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Allpowers R3500 V2

See price and availability (4)

2880Wh and 3500W (7000W peak): the powerful station that recharges fully in one hour, protects your devices during outages and doubles its capacity in parallel.

  • Capacity: 2880 Wh (LiFePO4, expandable)
  • Power: 3500 W (7000 W peak)
  • Recharge: 0-100% in 1h (AC+solar 4000W)
  • Backup: UPS function, 15 ms switchover
  • 2880Wh, 3500W, UPS, expandable
The Allpowers R3500 V2 is a 2880 Wh portable power station with a 3500 W pure sine wave inverter (7000 W peak). Its dual AC + solar input recharges it to 100% in about one hour (up to 4000 W), and up to 2000 W on solar. Its LiFePO4 battery targets over 3500 cycles. It includes a UPS function (15 ms switchover) to protect your sensitive devices during an outage, and pairs with a B3000 expansion battery to increase runtime. In parallel, two units deliver up to 7000 W. A powerful, scalable station.
The R3500 V2 is a genuine domestic power beast. Its 3500 W (7000 W peak) take an induction hob, an oven or heavy tools without blinking, and the pure sine wave puts you at ease plugging in sensitive electronics. We really liked the recharge: with the dual AC + solar input, it is back to full in one hour, a rare comfort on a station this size. The UPS function, switching in 15 ms, works wonders for a computer or an internet box during a micro-outage. And expandability via the B3000 battery lets you think bigger without changing station. Pairing two units in parallel for 7000 W opens even more use cases. Two honest caveats: the weight remains substantial for a station billed as portable, and the fan is present during fast charging. For serious home backup, a van or a worksite, it is a powerful, scalable base, provided you accept its size.
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Zendure SuperBase V

2999.00€ (3)

The first semi-solid-state power station: from 4608 to 6438Wh expandable up to 64kWh, with 3800W and wheels. A genuine home backup solution.

  • Capacity: 4608Wh or 6438Wh, expandable to 64kWh
  • Technology: Semi-solid-state battery (high density)
  • Power: 3800W (dual-voltage)
  • Mobility: Built-in wheels + telescopic handle
  • Semi-solid-state battery expandable to 64kWh
The Zendure SuperBase V is a premium portable power station, the first to feature a semi-solid-state battery, denser and safer than conventional lithium. Available in 4608Wh and 6438Wh versions, it expands up to 64kWh by adding satellite batteries, enough to cover a whole home's consumption. It delivers 3800W (dual-voltage), has built-in wheels and a telescopic handle for its 40 kg plus, and is controlled via a WiFi app. A scalable home storage and backup solution.
The Zendure SuperBase V is not a station like the others: it is the first to use a semi-solid-state battery, a technology promising higher energy density and better safety than conventional lithium cells. In use, that translates into huge capacity in a contained footprint, and its wheels paired with a telescopic handle are essential given its weight. Its 3800W handle large appliances without trouble, and its scalability is spectacular: by stacking satellite batteries, you can aim for up to 64kWh, a genuine multi-day home reserve. The app is comprehensive and lets you supervise everything. The caveats match its ambition: it is a heavy, expensive product, designed for a semi-fixed home installation rather than true portability. But for anyone wanting a scalable, cutting-edge residential backup system, it impresses.
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Renogy Lycan 5000

4999.00€

4800Wh and 3500W in an all-in-one solar backup system on wheels: the Renogy Lycan 5000 powers a whole home and recharges from solar.

  • Capacity: 4800Wh (48V LiFePO4 battery)
  • Power: 3500W continuous, 7000W peak
  • Backup: UPS function (instant switchover)
  • Solar: Built-in MPPT solar input
  • All-in-one solar backup system on wheels
The Renogy Lycan 5000 Power Box is an all-in-one solar storage and backup system of 4800Wh with a LiFePO4 battery, delivering 3500W continuously (7000W peak). Designed as residential backup power, it includes a UPS function to switch over instantly during an outage, an MPPT solar input to recharge from solar, and plenty of outputs. Mounted on rugged wheels, it moves despite its heavy weight. A high-capacity backup solution for the home, worksite or off-grid living.
The Renogy Lycan 5000 does not play in the portable-station category: it is a genuine residential backup system, designed to take over from the grid during an outage or to live off-grid. Its 4800Wh and 3500W let it power the essentials of a home, and its UPS function switches over instantly, fast enough to interrupt nothing. We like its all-in-one approach: built-in MPPT solar controller, inverter, LiFePO4 battery and wheels, all in one box, which simplifies installation compared with a modular system to assemble. In return, it is a heavy, expensive product, mostly distributed on the North American market, which makes it hard to obtain in Europe and raises the voltage question (originally 120V). For serious residential use and solar charging, it is nonetheless a rugged, complete solution.
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Oukitel P5000 Pro

1750.99€

A generator for the whole home: the Oukitel P5000 Pro stores 5120Wh, delivers 4000W and recharges fully in under two hours.

  • Capacity: 5120Wh (expandable)
  • Power: 4000W (7200W surge)
  • Battery: LiFePO4, 4000+ cycles
  • Charging: AC ~1.8 h, MPPT solar
  • 5120Wh and 4000W, 1.8 h recharge, expandable
The Oukitel P5000 Pro is a top-tier portable power station of 5120Wh and 4000W (7200W surge), designed for home backup power, off-grid living and professional use. Its LiFePO4 battery (4000+ cycles) is expandable with extra batteries, and its ultra-fast AC charging fills up in about 1.8 h. A pure sine wave inverter, UPS mode, MPPT solar input and around fifteen outputs (AC, USB-C PD, USB-A, DC) make it a versatile power hub. Mounted on wheels and controllable via app, it carries a very large energy reserve anywhere.
The Oukitel P5000 Pro plays in the very large station category, the kind aiming to back up an entire home. On paper and in use, the numbers impress: 5120Wh of reserve and 4000W of continuous output (with a 7200W surge), enough to run large appliances, tools and computers at the same time without ever stalling. What struck me most is the recharge speed: about 1.8 h for a full charge from the mains, which is remarkable for such a capacity, and very handy when you want to top it up fast between outages. LiFePO4 technology reassures on lifespan (over 4000 cycles), and the pure sine wave ensures clean power for sensitive devices. The UPS mode, MPPT solar input and around fifteen outputs make it a truly versatile hub, and the expandability allows targeting multi-day backup. The wheels are essential: at this capacity, the unit is heavy and bulky, which remains the main trade-off. Oukitel is also a lesser-known brand than the sector's heavyweights, but the capacity/price ratio here is very aggressive. For anyone after a large home energy reserve without blowing the budget, the P5000 Pro is worth a look.
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Related questions

It is a station whose capacity grows by plugging extra batteries into a dedicated port. You typically start at 2,000 or 3,600 Wh and climb to 12,000 or even 25,000 Wh. The appeal is investing gradually, and carrying only the main unit when you travel.

The essential circuits, yes: fridge, freezer, lighting, router, boiler, a few sockets. An entire home, no, because the big consumers (electric heating, oven, water tank) would quickly exceed the available output. Sizing is done from a list of priority circuits, not from the floor area.

3,000 to 4,000 cycles down to 80 per cent remaining capacity, and up to 6,000 with some makers. At one full cycle a day that is around ten years of daily use. It is what justifies the price gap with NMC chemistries, whose life is three to six times shorter.

Some models allow it through a dedicated transfer switch, which automatically moves the chosen circuits onto the battery during an outage. Installation is a job for a qualified electrician and must meet local wiring regulations. An improvised connection through a wall socket is dangerous and not permitted.

Reckon on 1,000 watts of panels to fill 5,000 Wh on a good summer day, allowing for a real efficiency of 60 to 70 per cent and 5 to 6 hours of useful sunshine. Above all check the maximum accepted input voltage, often 60 V or 150 V, which sets how many panels you can wire in series.

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