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 4000 Mix AC+ Best on 2 facts | Same score, 20% cheaper Zendure SolarFlow 3000 Mix AC+ Best on 2 facts | Higher score, 13% cheaper Anker SOLIX Solarbank Max AC Best on 1 fact | |
|---|---|---|---|
| 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 | € 2,179bol.com | € 1,745bol.com best | € 1,899bol.com |
| 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 | – | – | – |
| The cells’ full capacity, before the reserve the battery keeps. The usable capacity is the figure to compare. In this comparisonSource
| 8 kWh best | 8 kWh best | 7 kWh |
| How far the system grows with extra batteries, in usable capacity. Source
| – | – | 42 kWh |
| The most power the battery delivers to your home without a break, as the maker states it. In this comparisonSource
| 4,000 W best | 3,000 W | 3,500 W |
| The most solar power the battery takes in directly from panels. Source
| – | – | 0 W |
| How many full charge cycles the maker rates the cells for. In this comparisonSource
| 10,000 | 10,000 | 10,000 |
| 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 | At a socket on the battery |
On 14 November 2026 the lowest price for the Zendure SolarFlow 4000 Mix AC+ is € 2,179 at bol.com, delivery to the Netherlands included. In our ranking it is rank 3 of 8 that plug into a socket, with a score of 6.6 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).
sold by a third-party seller Product on the market since May 2026
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.
8 kWh on this model
Lowest
1 kWh Highest
12.3 kWh Middle
2.5 kWh
Higher than 37 of the 41 models we track.
Source: Manual · checked on 2 Nov
How many battery units one system takes.
6 on this model
Lowest
1 Highest
6 Middle
5
Higher than 30 of the 40 models we track.
Source: Manual · checked on 2 Nov
The battery’s nominal voltage. A high-voltage battery works only with an inverter made for it.
25.6 V on this model
Lowest
16 V Highest
102.4 V Middle
41.6 V
Lower than 14 of the 21 models we track.
Source: Manual · checked on 2 Nov
The cells’ capacity in ampere-hours. Times the voltage, it gives the nominal capacity.
314 Ah on this model
Lowest
20 Ah Highest
314 Ah Middle
60.6 Ah
Higher than 13 of the 19 models we track.
Source: Manual · checked on 2 Nov
The most power the battery delivers to your home without a break, as the maker states it.
4,000 W on this model
Lowest
800 W Highest
12,000 W Middle
2,400 W
Higher than 35 of the 43 models we track.
Source: Manual · checked on 2 Nov
The output the battery is set to when it arrives, which can be lower than its maximum.
800 W on this model
Lowest
200 W Highest
800 W Middle
800 W
Higher than 3 of the 26 models we track.
Source: Manual · checked on 2 Nov
The power it delivers for a short time, such as when a device starts up.
7,200 W on this model
Lowest
1,200 W Highest
14,400 W Middle
6,360 W
Higher than 6 of the 12 models we track.
Source: zendure.de · checked on 2 Nov
How fast the battery charges from the grid.
4,000 W on this model
Lowest
800 W Highest
4,000 W Middle
2,050 W
Higher than 28 of the 30 models we track.
Source: Manual · 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
How much of the energy that goes in comes out again, as the maker states it. A higher figure loses less on every cycle.
Source: zendure.de · checked on 2 Nov
What the efficiency figure covers. AC to AC counts the inverter’s losses both ways and is the figure to compare. A DC figure leaves the inverter out, so it reads higher.
Source: zendure.de · checked on 2 Nov
The conditions the maker gives for its efficiency figure, such as the power and the temperature.
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: Manual · checked on 2 Nov
How many full charge cycles the maker rates the cells for.
10,000 on this model
Lowest
3,000 Highest
10,000 Middle
6,000
Higher than 31 of the 39 models we track.
Source: zendure.de · checked on 2 Nov
The share of capacity the maker says is left after the rated cycles.
70 % on this model
Lowest
60 % Highest
80 % Middle
70 %
Lower than 5 of the 21 models we track.
Source: zendure.de · checked on 2 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
What the battery powers during a power cut: nothing, a device at its own socket, chosen circuits, or the whole home.
Source: zendure.de · checked on 2 Nov
The most power the battery delivers during a power cut.
3,680 W on this model
Lowest
1,000 W Highest
3,680 W Middle
1,600 W
Higher than 20 of the 23 models we track.
Source: Manual · checked on 2 Nov
How long the power is off before the backup takes over. The shorter, the more devices keep running.
10 ms on this model
Lowest
0 ms Highest
20 ms Middle
15 ms
Lower than 10 of the 19 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 6 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 6 Nov
How the battery connects to your network or the app.
Source: Manual · 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: Manual · 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: Manual · 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: Manual · 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: Manual · checked on 2 Nov
The warmest temperature at which the battery still charges.
Source: Manual · checked on 3 Nov
Whether the battery warms its own cells, so it charges in cold weather.
30 of the 30 models we track have this.
Source: Manual · checked on 2 Nov
The weight of the battery, or of one unit for a battery built from several.
82 kg on this model
Lowest
4.7 kg Highest
82 kg Middle
26.25 kg
Higher than 38 of the 40 models we track.
Source: Manual · checked on 2 Nov
How loud the battery is while it runs, as the maker states it.
43 dB on this model
Lowest
30 dB Highest
43 dB Middle
30 dB
Higher than 11 of the 14 models we track.
Source: zendure.de · checked on 2 Nov
Whether you set the battery up yourself or an electrician has to connect it.
Source: zendure.de · checked on 2 Nov
The free space the maker asks for around the battery.
50 mm on this model
Lowest
30 mm Highest
50 mm Middle
30 mm
Higher than 3 of the 5 models we track.
Source: Manual · checked on 2 Nov
Sources: Manual · 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%6.6
57 of 82 points for the maker’s facts, the other 18 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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