Samduo review

Updated September 30, 2026 · HabitatCue Editorial Team · Facts checked September 30, 2026

We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.

Our verdict

Samduo suits buyers in the Netherlands and neighbouring markets who want a large home battery with a long warranty in one box. The Samduo range covers home battery and balcony solar at an entry price of €1,999, with capacity reaching 6,028 Wh and a 10 years warranty, the longest in the category.

Key facts

Best for
A plug-in home battery with strong capacity and a long warranty, sold across Western European markets.
Price from
€1,999↗
Largest battery capacity (Wh)
6,028↗
Highest continuous output (W)
2,600↗
Cycle life (cycles)
10,000↗
Highest solar input (W)
3,600↗
UPS mode
Yes↗
Warranty
10 years↗
Markets
NL, DE, FR, GB↗
Legal entity
Samduo Energy Technologies B.V.↗
Headquarters
Netherlands↗
Founded
2024↗
Support channels
Email, Help-centre↗
Products
Home battery, Balcony solar
Battery chemistry
Lifepo4
Official website
samduo.com

Facts checked September 30, 2026, 6 sources

Apps and profiles

Elsewhere
LinkedIn

Pros and cons

Pros

  • Capacity of 6,028 Wh with output of 2,600 W covers whole-home evening loads.
  • Warranty of 10 years is the longest among ranked home battery and balcony solar brands.
  • The range spans home battery and balcony solar, so battery and balcony solar can be bought from one brand.
  • Cells use lifepo4 chemistry, the most common choice in this category, and the battery is rated for 10,000 cycles.
  • UPS mode is available, so the unit can carry loads through a grid outage.

Cons

  • Support runs on email and help centre only, so there is no phone line for installation questions.
  • Entry price of €1,999 is high for this category, and output of 2,600 W sits below the category median of 4,000.
  • WattCycle LiFePO4 focuses on home batteries alone, so buyers who also want balcony solar must compare a wider range at ALLPOWERS.
Samduo

Ready to try Samduo?

Scored 8.6 / 10 by HabitatCue.

Who it suits

  • Households in the Netherlands, Germany, France and the United Kingdom who want storage sized for evening and night use.
  • Buyers who plan to keep a system for many years and weigh the 10 years warranty above all.
  • People who already have rooftop solar and want to add a battery that accepts up to 3,600 W of panel input.

Who should look elsewhere

  • Shoppers who only want balcony solar, where WattCycle LiFePO4 does not sell at all and ALLPOWERS offers a wider spread.
  • Buyers who need phone support, since contact runs through email and help centre.
  • Anyone shopping outside the markets in the Netherlands, DE and FR.

What it does well

The flagship unit stores 6,028 Wh and delivers 2,600 W at peak, which is enough to run a fridge, lighting and sockets through an evening. Its chemistry is lifepo4, and the cells are rated for 10,000 cycles, so a daily evening discharge adds up to well over two decades of use before the warranty period ends. A paired system can also take 3,600 W of solar input, letting midday surplus from your roof recharge the battery before you need it. Backups are built in: UPS mode is available, so the battery keeps powering essential loads when the grid drops. The warranty runs 10 years, which is longer than most home batteries in this category, and it is a plug-and-play unit, so installation is a matter of plugging it into a wall socket rather than rewiring the house.

Where it sits among rivals

On the numbers that separate brands here, Samduo leads on warranty and trails on price. Capacity of 6,028 Wh puts it at 17 out of 28 brands ranked, and the category median is 7,994, so you are buying a mid-sized system rather than the largest on the market. Output of 2,600 W ranks 19 out of 24, again a little below the 4,000 typical for the group. Price tells the same story: the entry price of €1,999 sits at 22 out of 27 brands, well above the category median of €262.21, which reflects a larger unit with a longer warranty rather than a budget offering. Warranty is the outlier in the other direction, ranking 1 out of 19 on 10 years, against a category median of 5. The trade is simple: you pay more up front and get longer cover.

Who runs it

Samduo is run by Samduo Energy Technologies B.V., a company based in the NL and founded in 2024, so it is a young business built in its home market rather than a long-established equipment maker. It sells into NL, DE and FR, which keeps its reach regional and its products focused on the plug-in home battery segment and balcony solar. Support is handled through email and help centre, so a help centre and email cover questions before and after purchase. That suits buyers who are comfortable with online documentation and want a supplier close enough to ship quickly in Europe, and it suits installers who can handle setup questions by email rather than by phone.

How Samduo compares

Where Samduo is available

Countries from the brand (Source, checked September 30, 2026)

Frequently asked questions

How much does a Samduo home battery cost?+

The entry price is €1,999, which is high for this category and sits well above the median of €262.21. That figure covers the Samduo plug-in home battery, and the same brand also sells balcony solar. Larger capacities cost more, so the final price depends on which unit you choose.

How long is the warranty on a Samduo battery?+

The Samduo warranty is 10 years, which is the longest among the brands ranked on this measure, compared with a category median of 5. Long cover matters most if you intend to keep the system through a house move, since a battery that stays with the property avoids resale friction.

How much power can a Samduo home battery store and deliver?+

The Samduo unit stores up to 6,028 Wh and delivers 2,600 W at peak. Both figures are given as maximums for the range, so a smaller Samduo model may sit lower. That output level suits evening lighting, sockets and appliances rather than electric heating or a workshop machine.

Which countries does Samduo sell in?+

Samduo sells into NL, DE and FR, so the range covers the Netherlands, Germany, France and the United Kingdom. The company is based in the NL, which keeps shipping within Europe straightforward for most of those buyers. If you are outside those markets, availability is not part of the stated picture here.

Can a Samduo battery keep my house running during an outage?+

Yes, UPS mode is available on the Samduo range, so essential loads can be carried through a grid cut. The Samduo battery pairs with solar too, taking up to 3,600 W of panel input, which lets roof surplus cover some of that outage use. UPS covers a backup role rather than running a whole home indefinitely.

What battery chemistry does Samduo use?+

The Samduo batteries use lifepo4 chemistry, the most common choice in this category. That chemistry is paired with a stated cycle life of 10,000 cycles, so a nightly discharge is well within the design expectation. The 10 years warranty adds a second layer of reassurance on top.

What kind of products does Samduo make?+

Samduo covers home battery and balcony solar, so you can buy a home battery and balcony solar from the same seller. Buying both from one brand keeps sizing and installation conversations in a single place. If you want portable power as well, DATOUBOSS lists power station and home battery for a different use case.

How do I get help from Samduo after buying?+

Contact runs through email and help centre, meaning email and a help centre rather than a phone line. That is practical for installation questions that can be described in writing, and it suits installers who work by email anyway. If you prefer to talk someone through commissioning, weigh that against the option before ordering.

Sources

  • samduo.com checked September 30, 2026

    Backs: Headquarters, Legal entity, Markets

    “Adres: Stationsplein 45, Unit A4.004 (4th floor), 3013 AK Rotterdam, The Netherlands”

  • samduo.com/collections/all checked September 30, 2026

    Backs: Products

    “SAMDUO Nex E6000 - 6kWh Ultra-Slim AC Plug-in Home Battery; SAMDUO Nex P2800 Pro - 3600W Stackable Balcony Power Station”

  • samduo.com/pages/contact-us checked September 30, 2026

    Backs: Support channels

    “Customer Support support@samduo.com ... Leave your request below and we'll get back to you soon.”

  • samduo.com/pages/samduo-best-ac-coupled-homebattery checked September 30, 2026

    Backs: Founded

    “In 2024, SAMDUO redefined Europe's energy storage landscape with a team of industry-leading engineers.”

  • samduo.com/pages/terms-of-services checked September 30, 2026

    Backs: Warranty

    “Nex E6000 10 years; Nex E6000H 10 years; Nex P2800 Pro 10 years”

  • samduo.com/products/3600w-home-battery-for-pv-panels-samd... checked September 30, 2026

    Backs: Highest solar input (W), UPS mode

    “SAMDUO Nex P2800 Pro - 3600W PV Input (4MPPT)”

  • samduo.com/products/plug-and-play-home-battery-samduo-nex... checked September 30, 2026

    Backs: Battery chemistry, Largest battery capacity (Wh), Cycle life (cycles), Highest continuous output (W), Price from

    “SAMDUO Nex E6000 - Product Specifications: Battery Type LiFePO4”

Compiled from 7 source pages, checked September 30, 2026. We did not open an account.

Samduo

Samduo

A plug-in home battery with strong capacity and a long warranty, sold across Western European markets.

8.6/10Visit