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Solarbank 4 Pro vs STREAM 5000

A Versus B

Choose the EcoFlow STREAM 5000 if you want the higher rated output: up to 3,000 W on-grid and off-grid, at 45.4 kg. Choose the Anker SOLIX Solarbank 4 Pro if IP66 and Anker's Home Assistant integration matter more. Its on-grid settings top out at 2,500 W and it weighs 50 kg. Both are 5,024 Wh LiFePO4 packs with 5,000 W of PV input across four MPPTs. Neither is better for everyone; it depends on whether you want the higher rated output or IP66 and Home Assistant.

Anker SOLIX Solarbank 4 Pro

5,024 Wh LiFePO4 balcony battery with 5,000 W PV input, on-grid settings up to 2,500 W, IP66, and a listed Home Assistant integration.

Best if IP66 and Home Assistant matter more than output

Score63%
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EcoFlow STREAM 5000

5,024 Wh LiFePO4 battery with 5,000 W PV input, up to 3,000 W on-grid and off-grid output, IP65, and a 45.4 kg weight.

Best if you want the higher rated output

Score80%
Check Price
7 attributes6 differences13 pros/cons
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6Sources
10Data Points
Sources:Anker SOLIX — Solarbank 4 E5000 Pro (opens in new tab)·Anker SOLIX — Solarbank 4 E5000 Pro datasheet (opens in new tab)·EcoFlow — STREAM series specs (opens in new tab)·EcoFlow — STREAM series support (opens in new tab)·EcoFlow — STREAM series product FAQ (opens in new tab)·Anker — official Home Assistant README (opens in new tab)
TL;DRVoice-ready

Choose the EcoFlow STREAM 5000 if you want the higher rated output: up to 3,000 W on-grid and off-grid, at 45.4 kg. Choose the Anker SOLIX Solarbank 4 Pro if IP66 and Anker's Home Assistant integration matter more. Its on-grid settings top out at 2,500 W and it weighs 50 kg. Both are 5,024 Wh LiFePO4 packs with 5,000 W of PV input across four MPPTs. Neither is better for everyone; it depends on whether you want the higher rated output or IP66 and Home Assistant.

Deciding factor: EcoFlow STREAM 5000 for the higher rated output. Anker SOLIX Solarbank 4 Pro for IP66 and Home Assistant.

Key fact: Both list 5,024 Wh and 5,000 W of PV across four MPPTs. Anker's on-grid settings top out at 2,500 W and IP66. EcoFlow lists up to 3,000 W and IP65.

Jump to full verdictSee all attributes

Our Verdict

AI-assisted

Higher rated output: EcoFlow STREAM 5000. EcoFlow lists on-grid and off-grid output up to 3,000 W, and lists 45.4 kg. Weather rating and Home Assistant: Anker SOLIX Solarbank 4 Pro. The datasheet lists IP66, 50 kg, and on-grid settings up to 2,500 W. Anker's Home Assistant README includes this model. Same storage on the spec sheets: 5,024 Wh LiFePO4, 5,000 W PV, four MPPTs. Neither is better for everyone; it depends on whether you want the higher rated output or IP66 and Home Assistant.

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A

Choose Anker SOLIX Solarbank 4 Pro if

Best if IP66 and Home Assistant matter more than output

E

Choose EcoFlow STREAM 5000 if

Best if you want the higher rated output

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Key Differences at a Glance

  • Who it is for:IP66 and Home Assistant vs Higher rated output
  • On-grid output:✓ EcoFlow STREAM 5000 wins(800 W or 3,000 W vs 600, 790, 800, or 2,500 W)
  • Off-grid output:✓ EcoFlow STREAM 5000 wins(3,000 W vs 2,500 W)
See all 6 differences

Key Differences

6 attributes compared head-to-head

AS
2Anker SOLIX Solarbank 4 Pro
EcoFlow STREAM 5000 leads1 tie
ES
3EcoFlow STREAM 5000
  • Who it is for

    Anker SOLIX Solarbank 4 Pro

    IP66 and Home Assistant

    EcoFlow STREAM 5000

    Higher rated output

  • On-grid output

    Anker SOLIX Solarbank 4 Pro

    600, 790, 800, or 2,500 W

    EcoFlow STREAM 5000

    800 W or 3,000 W(winner)

  • Off-grid output

    Anker SOLIX Solarbank 4 Pro

    2,500 W

    EcoFlow STREAM 5000

    3,000 W(winner)

  • Ingress rating

    Anker SOLIX Solarbank 4 Pro

    IP66(winner)

    EcoFlow STREAM 5000

    IP65

  • Weight

    Anker SOLIX Solarbank 4 Pro

    50 kg

    EcoFlow STREAM 5000

    45.4 kg(winner)

Full Comparison

AAnker SOLIX Solarbank 4 Pro
EEcoFlow STREAM 5000
On-grid output
600, 790, 800, or 2,500 W
800 W or 3,000 W
Off-grid output
2,500 W
3,000 W
Ingress rating
IP66
IP65
Weight
50 kg
45.4 kg
AC charging
Up to 2,500 W
Up to 3,000 W input, 2,500 W into the main battery
Home Assistant
Listed in Anker's official integration
—
Expansion
Main unit plus 5 BP5000 packs, up to 30 kWh
Up to 2 expansion batteries (15 kWh on a host); up to six hosts (90 kWh)

Pros & Cons

9 pros·4 cons across both

AS
ES
AS

Anker SOLIX Solarbank 4 Pro

+5-3

Pros

IP66 and 50 kg (Anker datasheet)
5,024 Wh LiFePO4, 5,000 W PV, four MPPTs (Anker datasheet)
On-grid settings of 600, 790, 800, and 2,500 W
10-year warranty and a 15-year product lifespan on the datasheet
Listed in Anker's official Home Assistant integration

Cons

On-grid and off-grid output top out at 2,500 W, against 3,000 W on the STREAM 5000
50 kg, against 45.4 kg on EcoFlow's specs page
The 10,000-cycle line is not paired with a retention percentage in the datasheet
ES

EcoFlow STREAM 5000

+4-1

Pros

Up to 3,000 W on-grid and 3,000 W off-grid (EcoFlow specs)
45.4 kg, IP65, 10-year warranty (EcoFlow specs)
5,024 Wh and 10,000 cycles to 60% retention (EcoFlow specs and product FAQ)
Up to two expansion batteries, 15 kWh on a host, and up to 90 kWh with six hosts

Cons

IP65, against IP66 on the Solarbank 4 Pro

Frequently Asked Questions

6 questions

  1. The stated pack size is the same: 5,024 Wh. Anker lists LiFePO4 and 5,024 Wh. EcoFlow lists 5,024 Wh, and EcoFlow says the cells are lithium iron phosphate (LiFePO4). Storage size alone does not separate them.

  2. The EcoFlow STREAM 5000, on the upper settings each company states. EcoFlow lists on-grid output of 800 W/3,000 W and off-grid output of 3,000 W. Anker lists on-grid output settings of 600, 790, 800, and 2,500 W, and off-grid output of 2,500 W.

  3. Anker lists IP66. EcoFlow lists IP65. Those are the codes each company states. No separate hose test is added. EcoFlow says the STREAM 5000 can be used indoors or outdoors and recommends a ventilated, cool, shaded place.

  4. Both list 5,000 W of PV across four MPPTs, 1,250 W per tracker, and a maximum PV voltage of 60 V. Anker also lists an MPPT voltage range of 16 to 50 V. EcoFlow lists the PV input voltage as a 60 V maximum and does not give that 16 to 50 V range.

  5. Anker's official Home Assistant README lists the Solarbank 4 E5000 Pro, over local Modbus TCP. Check the current docs before you buy, because that can change.

  1. No. Both are about 5 kWh storage systems with multi-kilowatt inverter settings. 800 W is one stated on-grid setting for each product, not the whole product.

Analysis: Anker SOLIX Solarbank 4 Pro vs EcoFlow STREAM 5000

The EcoFlow STREAM 5000 is the pick when the higher rated inverter output is the point. The Anker SOLIX Solarbank 4 Pro is the pick when IP66 and the documented Home Assistant integration matter more than that extra output. Neither is better for everyone; it depends on whether you want the higher rated output or IP66 and Home Assistant.

Battery and solar input

Anker lists a LiFePO4 battery, 5,024 Wh, and a single-device rated power of 2,500 W. EcoFlow lists 5,024 Wh. EcoFlow says the cells are lithium iron phosphate (LiFePO4). Both list 5,000 W of PV input, four MPPTs, and 1,250 W per tracker. Both list a maximum PV voltage of 60 V. Anker also lists an MPPT operating range of 16 to 50 V.

Read 12 more paragraphs

On-grid and off-grid output

Anker lists on-grid AC output settings of 600 W, 790 W, 800 W, and 2,500 W, and off-grid output of 2,500 W. AC charge power is 2,500 W. EcoFlow lists grid-tied output of 800 W/3,000 W, off-grid output of 3,000 W, AC charging input of 3,000 W, and a maximum charge into the main-unit battery of 2,500 W.

Cycles, warranty, weather, and weight

Anker lists 10,000 cycles. Anker lists a 10-year warranty and a 15-year product lifespan. It does not give a capacity-retention percentage next to the cycle count. EcoFlow lists 10,000 cycles and a 10-year warranty. EcoFlow says that cycle life is to 60% retention. Anker lists IP66 and 50 kg. EcoFlow lists IP65 and 45.4 kg. EcoFlow also says 45.4 kg, plus or minus 0.5 kg, for the bare unit.

Expansion

Anker says the main unit is 5,024 Wh and can take five BP5000 expansion batteries, up to 30 kWh total. EcoFlow says one host can stack up to two expansion batteries, to 15 kWh, and a system can include up to six hosts, to 90 kWh. Those are the ceilings each company states. They are different ecosystems, so a pack from one does not fit the other.

Home Assistant

Anker's official Home Assistant README lists the Solarbank 4 E5000 Pro for every firmware version it covers, using local Modbus TCP.

Who should buy which

Choose the STREAM 5000 if the stated 3,000 W on-grid and off-grid ceiling, and the 45.4 kg weight, are what you are buying for.

Choose the Solarbank 4 Pro if IP66 and the Home Assistant integration matter more than the output gap, and 2,500 W on-grid is enough.

Check your local rules and your utility before feeding power back to the grid.

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Anker SOLIX Solarbank 4 Pro

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EcoFlow STREAM 5000

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