Updated September 30, 2026 · HabitatCue Editorial Team
Otovo vs Samduo
Otovo
Higher score in this comparison
Samduo
Where Otovo and Samduo differ
| Compare | OtovoReviewVisitVisit | SamduoReviewVisitVisit |
|---|---|---|
| Price from | PLN 375 | €1,999 |
| Largest battery capacity (Wh) | 21,000Higher | 6,028 |
| Cycle life (cycles) | 6,000 | 10,000Higher |
| Warranty | 2 years | 10 yearsHigher |
| Markets | AT, BE, FR, DE, IT, NL, NO, PL, PT, ES, SE, CH, GB, USCovers more | NL, DE, FR, GB |
| Highest continuous output (W) | Not confirmed | 2,600 |
| Highest solar input (W) | Not confirmed | 3,600 |
Same on both: UPS mode (Yes).
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Key differences
- Otovo scores higher overall: 9.3 vs 8.6.
- Largest battery capacity (Wh) is higher at Otovo: 21,000 vs 6,028.
- Cycle life (cycles) is higher at Samduo: 10,000 vs 6,000.
- Warranty is higher at Samduo: 10 years vs 2 years.
- Support channels: only Otovo offers Phone.
- Founded is lower at Otovo: 2016 vs 2024.
- Otovo is available in 11 more countries.
- Products: only Otovo offers Solar panel.
- Products: only Samduo offers Balcony solar.
- Markets: only Otovo offers AT, BE, IT.
Our verdict on each
Otovo
Otovo suits households that want solar panels and a home battery ordered from one supplier, and it stores a lot in a single unit. Capacity reaches 21,000 Wh with 6,000 cycle life, which makes it a practical daily pick, while the 2 year warranty is the trade-off to weigh.
Samduo
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.
Score breakdown
| Area | Otovo | Samduo |
|---|---|---|
| Cost | 9.9HigherEntry price of PLN 375 ranks 2 of 27 brands compared, so cost is this brand's strongest suit. | 8.4Entry price of €1,999 against a category median of €262.21, with top capacity of 6,028 Wh. |
| Offer | 9.0Product types cover solar panel and home battery and storage reaches 21,000 Wh with 6,000 cycle life, giving a broad system in one place. | 9.1HigherWarranty of 10 years against a category median of 5, plus cycle life of 10,000 cycles. |
| Trust | 8.8HigherWarranty of 2 years ranks 17 of 19 brands compared, which holds trust back against 8.8. | 8.0Dutch entity Samduo Energy Technologies B.V. in its home market, with support through email and help centre only. |
Where they rank in our lists
| Ranking | Otovo | Samduo |
|---|---|---|
| Home batteries and balcony solar | 7 of 57 | 6 of 57 |
How the counts compare
| Fact | Otovo | Samduo |
|---|---|---|
| Largest battery capacity (Wh) | 21,000 | 6,028 |
| Cycle life (cycles) | 6,000 | 10,000 |
| Warranty | 2 years | 10 years |
A third option
SunGoldPower has warranty at 1 to 25 years, against 2 years for Otovo and 10 years for Samduo.
SunGoldPower reviewWhere these facts come from
Otovo
- otovo.pl: 11 facts, checked September 30, 2026
- otovo.com: 1 fact, checked September 30, 2026
Samduo
- samduo.com: 14 facts, checked September 30, 2026
Every fact side by side
| Fact | Otovo | Samduo |
|---|---|---|
| Products | Solar panel, Home battery | Home battery, Balcony solar |
| Battery chemistry | Lifepo4 | Lifepo4 |
| Legal entity | Otovo Sp. z o.o. | Samduo Energy Technologies B.V. |
| Headquarters | Norway | Netherlands |
| Founded | 2016Lower | 2024 |
| Support channels | Phone, Email, Help centreCovers more | Email, Help centre |
Where each stands against the rest
| Fact | Otovo | Samduo | Median |
|---|---|---|---|
| Largest battery capacity (Wh) | 21,000highest quarter | 6,028below the median | 7,200 |
| Highest continuous output (W) | Not confirmed | 2,600lowest quarter | 4,000 |
| Cycle life (cycles) | 6,000at the median | 10,000highest quarter | 6,000 |
| Highest solar input (W) | Not confirmed | 3,600above the median | 3,000 |
| Warranty | 2 yearslowest quarter | 10 yearsabove the median | 5 years |
Median across 33 listed brands.
Pros and cons
Otovo
Pros
- Batteries use lifepo4 chemistry with a stated cycle life of 6,000 cycles, which suits charging every day rather than now and then.
- Storage reaches 21,000 Wh in a home battery, and the same range covers solar panel and home battery so panels and storage can be ordered together.
- UPS mode is offered, so essential loads can run through an outage on battery power.
Cons
- Warranty of 2 years ranks 17 of 19 brands compared, so cover after purchase is where it gives ground.
- Product types run to solar panel and home battery only, so anyone after balcony solar or a portable power station is better served by ALLPOWERS, whose range is power station, solar generator and home battery.
- The entry price of PLN 375 is quoted in Polish zloty, so buyers in other markets have to convert before comparing with anything priced in their own currency.
Samduo
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.
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.
Who each suits
Otovo
Who it suits
- Households in the markets listed for Otovo, AT, BE and FR, who want solar panels and a home battery ordered from one supplier.
- Buyers who need backup during outages, since UPS mode is offered and the batteries reach 21,000 Wh.
- Households comfortable with a 2 year warranty who put storage size ahead of the length of cover.
Who should look elsewhere
- Buyers shopping only for a home battery with no panels, who will find WattCycle and its home battery a tighter fit.
- Buyers who also want a power station, who should compare DATOUBOSS and its power station and home battery.
- Buyers after balcony solar alongside storage, who should look at ALLPOWERS and its power station, solar generator and home battery.
Samduo
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.
Current offers
Samduo
Current offer
Discount code
Up to EUR 300 off Nex E6000 with promo code: EUR 200 off SAMDUO Nex E6000 or EUR 300 off Nex E6000 x2 bundle, promo code SAMDUODEAL91524
Must subscribe email and claim the promo code first; one promo code per order; cannot be combined with other codes or offers
Source, checked September 30, 2026
Country by country
| Country | Otovo | Samduo |
|---|---|---|
| Austria | Yes | No |
| Belgium | Yes | No |
| Italy | Yes | No |
| Norway | Yes | No |
| Poland | Yes | No |
| Portugal | Yes | No |
| Spain | Yes | No |
| Sweden | Yes | No |
8 of 14 countries where either is available.
Questions about each
Otovo
What does a system cost to start with Otovo?+
The entry price is PLN 375, which places Otovo close to the front of the brands compared on cost. Think of it as the starting figure for a system rather than a monthly amount, and check what adding a home battery does to the total before you settle on a plan.
How much energy can the battery store?+
Storage tops out at 21,000 Wh, which places Otovo mid-table among the brands compared on this measure rather than at the very top. Buyers chasing the largest single unit on the market have further to look, while most solar homes will find this scale workable for evening and overnight use.
Samduo
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.