Best value
No cheaper model scores higher.
We line the models up by today’s price. A model gets this label when it scores higher than every cheaper model, so each step up the line buys a higher score. A higher score counts only from 0.5 points (out of 10) above the previous label, so a gap that reads as equal on the page earns no new label.
From the facts the maker states, by the rules of our advisor.
Green is the best of these 3, also when they share the lead.
| This model Zendure SolarFlow 800 Plus Best on 1 fact | Higher score, 20% dearer EcoFlow STREAM Ultra | Higher score, 428% dearer Zendure SolarFlow 4000 Mix Pro Best on 5 facts | |
|---|---|---|---|
| Most important facts | |||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | € 549Zendure (brand store) best | € 659EcoFlow (brand store) | € 2,899Zendure (brand store) |
| Our own score out of 10: 70% the maker’s facts and 30% shop ratings. Price does not count. Score | best | ||
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | ★ 4.5 · 11 reviews | – |
| The cells’ full capacity, before the reserve the battery keeps. The usable capacity is the figure to compare. In this comparisonSource
| 1.9 kWh | 1.9 kWh | 8 kWh best |
| How far the system grows with extra batteries, in usable capacity. In this comparisonSource
| 11.5 kWh | 11.5 kWh | – |
| The most power the battery delivers to your home without a break, as the maker states it. In this comparisonSource
| 800 W | 800 W | 4,000 W best |
| The most solar power the battery takes in directly from panels. In this comparisonSource
| 1,500 W | 2,000 W | 8,000 W best |
| How many full charge cycles the maker rates the cells for. In this comparisonSource
| 6,000 | 6,000 | 10,000 best |
| How many years the maker’s warranty on the battery runs. In this comparisonWhen it matters
When it matters less
Source
| 10 years | 10 years | 10 years |
| What the battery powers during a power cut: nothing, a device at its own socket, chosen circuits, or the whole home. Source
| – | At a socket on the battery | At a socket on the battery |
On 14 November 2026 the lowest price for the Zendure SolarFlow 800 Plus is € 549 at Zendure (brand store), delivery to the Netherlands included. In our ranking it is rank 11 of 12 for a balcony solar system, with a score of 3.8 out of 10.
Including VAT and delivery. We may earn a commission when you buy through our links. How we read and order prices
Also at Amazon, price not shown yet: Amazon.de (grey).
cannot be checked: Discount as claimed by the shop. We have not followed this shop for the 30 days before the sale began, so we cannot verify the old price yet. How we work this out
Product on the market since November 2025
How the battery connects to your home: to a socket, to a balcony solar system, through a hybrid inverter, on the AC side of an installed system, as a module for an inverter, or as a portable power station.
Source: derived, no source of its own · checked on 2 Nov
The cells’ full capacity, before the reserve the battery keeps. The usable capacity is the figure to compare.
1.9 kWh on this model
Lowest
1 kWh Highest
12.3 kWh Middle
2.5 kWh
Lower than 28 of the 41 models we track.
Source: zendure.de · checked on 2 Nov
How far the system grows with extra batteries, in usable capacity.
11.5 kWh on this model
Lowest
6.7 kWh Highest
61.4 kWh Middle
13.8 kWh
Lower than 22 of the 40 models we track.
Source: zendure.de · checked on 2 Nov
How many battery units one system takes.
5 on this model
Lowest
1 Highest
6 Middle
5
Higher than 11 of the 40 models we track.
Source: zendure.de · checked on 2 Nov
The extra battery the maker sells to add capacity.
Source: zendure.de · checked on 2 Nov
The battery’s nominal voltage. A high-voltage battery works only with an inverter made for it.
48 V on this model
Lowest
16 V Highest
102.4 V Middle
41.6 V
Higher than 11 of the 21 models we track.
Source: zendure.de · checked on 2 Nov
The most power the battery delivers to your home without a break, as the maker states it.
800 W on this model
Lowest
800 W Highest
12,000 W Middle
2,400 W
Lower than 27 of the 43 models we track.
Source: zendure.de · checked on 2 Nov
How fast the battery charges from the grid.
1,000 W on this model
Lowest
800 W Highest
4,000 W Middle
2,050 W
Lower than 25 of the 30 models we track.
Source: zendure.de · checked on 2 Nov
Where the battery connects to the solar system: on the DC side, between the panels and the inverter, or on the AC side, behind the inverter.
Source: derived, no source of its own · checked on 2 Nov
The most solar power the battery takes in directly from panels.
1,500 W on this model
Lowest
0 W Highest
10,000 W Middle
2,200 W
Lower than 25 of the 34 models we track.
Source: zendure.de · checked on 2 Nov
How many separate strings of panels it takes, each tracked for its best power.
2 on this model
Lowest
2 Highest
4 Middle
3
Lower than 14 of the 25 models we track.
Source: zendure.de · checked on 2 Nov
The highest voltage the solar input takes. A string of panels must stay below it, on a cold day too.
55 V on this model
Lowest
55 V Highest
600 V Middle
60 V
Lower than 14 of the 20 models we track.
Source: zendure.de · checked on 2 Nov
The lowest voltage at which the tracker works at full power.
14 V on this model
Lowest
10 V Highest
30 V Middle
16 V
Lower than 17 of the 24 models we track.
Source: zendure.de · checked on 2 Nov
The highest voltage at which the tracker works at full power.
55 V on this model
Lowest
48 V Highest
550 V Middle
60 V
Lower than 15 of the 23 models we track.
Source: zendure.de · checked on 2 Nov
The highest current one tracker takes. A panel that delivers more is held to it.
18 A on this model
Lowest
14 A Highest
36 A Middle
18 A
Lower than 8 of the 21 models we track.
Source: zendure.de · checked on 2 Nov
The cells’ chemistry. LFP cells last many cycles and are less prone to overheating than NMC cells.
Source: zendure.de · checked on 2 Nov
How many full charge cycles the maker rates the cells for.
6,000 on this model
Lowest
3,000 Highest
10,000 Middle
6,000
Lower than 9 of the 39 models we track.
Source: zendure.de · checked on 6 Nov
How many years the maker’s warranty on the battery runs.
10 years on this model
Lowest
5 years Highest
12 years Middle
10 years
Higher than 9 of the 45 models we track.
Source: zendure.de · checked on 2 Nov
Which energy meters the battery reads to follow your home’s use, so it delivers what the home uses and no more.
Source: zendure.de · checked on 2 Nov
Whether the battery can charge when power is cheap and discharge when it is dear, on an hourly price.
27 of the 27 models we track have this.
Source: zendure.de · checked on 2 Nov
Where the maker allows the battery to stand.
Source: zendure.de · checked on 2 Nov
How well the case keeps out dust and water. A battery that stands outdoors needs a higher rating.
Source: zendure.de · checked on 2 Nov
The coldest temperature at which the battery works.
-20 °C on this model
Lowest
-20 °C Highest
-10 °C Middle
-20 °C
Lower than 1 of the 31 models we track.
Source: zendure.de · checked on 2 Nov
The warmest temperature at which the battery works.
55 °C on this model
Lowest
45 °C Highest
60 °C Middle
55 °C
Higher than 2 of the 31 models we track.
Source: zendure.de · checked on 2 Nov
The coldest temperature at which the battery still charges. Many cells may not charge below 0 °C without heating.
0 °C on this model
Lowest
-20 °C Highest
0 °C Middle
0 °C
Higher than 7 of the 19 models we track.
Source: zendure.de · checked on 2 Nov
Whether the battery warms its own cells, so it charges in cold weather.
30 of the 30 models we track have this.
Source: zendure.de · checked on 2 Nov
The weight of the battery, or of one unit for a battery built from several.
21.1 kg on this model
Lowest
4.7 kg Highest
82 kg Middle
26.25 kg
Lower than 33 of the 40 models we track.
Source: zendure.de · checked on 2 Nov
The safety standards and grid codes the maker states the battery meets.
Source: zendure.de · checked on 2 Nov
Sources: zendure.de
Confidence: medium. Fewer than 300 owners’ ratings at the shops. The highest score today is 6.9.
Owners’ ratings 30%–
Owners’ ratings, 30%: none yet at the shops that deliver to the Netherlands, so this part is left out and the score is the features part alone.
Features 70%3.8
34.42857142857143 of 92 points for the maker’s facts, the other 8 counted at the market’s average share of 50%.
The maker
Zendure is an energy technology company with teams in Silicon Valley in the USA, the Greater Bay Area in China, Japan and Germany. In Europe it sells through Zendure DE GmbH in Düsseldorf. Its balcony and home batteries include the SolarFlow 2400 AC and the SolarFlow Hub 2000.
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