Zendure 420W Flexible Solar Panels
(2 reviews)
Two 210W flexible solar panels that hug the curves of a balcony or roof: 23% efficiency, bendable to 220°, IP68 and just 4.3 kg each.
Characteristics
- Power: 420W (2 x 210W monocrystalline)
- Efficiency: Up to 23%
- Flexibility: Bendable up to 220°
- Weight: 4.3 kg per panel, IP68
- Light flexible panels, 12-year warranty
Detailed overview: Zendure 2 x 210W flexible solar panel kit
This Zendure product bundles two 210W flexible solar panels, or 420W in total, designed for balcony solar and installations on curved surfaces. Their defining trait is flexibility: each module bends up to 220°, which lets you install it on a rounded balcony railing, a van roof, a boat hull or a curved shelter, where a rigid panel would not fit.
The cells are monocrystalline, for a claimed 23% efficiency, a very good level for flexible technology. The surface is ETFE-laminated, a material known for its light transmission and durability, and an internal bypass technology limits losses in case of partial shading. Each panel weighs just 4.3 kg, around 70 to 80% less than a conventional panel of equivalent power, which simplifies transport, handling and mounting, often doable by one person and with no heavy work.
Electrically, each module delivers around 41 V at 5 A at its optimal operating point, and connects through standard MC4 connectors with an IP68-rated junction box, ensuring reliability in driving rain. This makes them directly compatible with 99% of microinverters and hubs on the market, in particular Zendure's SolarFlow ecosystem (Hub 2000, Hyper 2000, SolarFlow 800).
Zendure covers these panels with a 12-year warranty. Like any flexible panel, they are a little more sensitive to heat and repeated bending than a rigid framed model, but for a discreet, light and safe install on a balcony or a non-flat surface, this pair of 210W panels is a particularly practical base for solar self-consumption.
Full specifications
Detailed characteristics
Panel
| Peak power?Rated panel power in full sun (STC conditions). | 420 W |
|---|---|
| Cell technology?Cell type; monocrystalline offers the best efficiency, flexible CIGS tolerates shading better. | Monocrystalline |
| Conversion efficiency?Share of solar energy converted to electricity; higher means a more compact panel for the same power. | 23 % |
| Panel type?Foldable (portable), rigid framed (fixed install) or flexible (curved surfaces). | Flexible |
| Bifacial?Also captures reflected light on its rear side, for extra output. | No |
Electrical specifications
| Voltage at max power (Vmp)?Voltage at the maximum power point. | 41 V |
|---|---|
| Current at max power (Imp)?Current at the maximum power point. | 5 A |
| Open-circuit voltage (Voc)?Open-circuit voltage; check against your station/controller MPPT input range. | 49.4 V |
Outputs and connectors
| Output connectors?Output socket type(s) (MC4, XT60, Anderson, DC, USB…); determines compatibility with your station. | MC4 |
|---|
Durability and format
| Ingress protection?Water and dust resistance (IP rating). | IP68 |
|---|---|
| Weight?Weight of the panel. | 4.3 kg |
Warranty
| Warranty?Length of the manufacturer's warranty. | 12 years |
|---|
☀ How fast does this panel recharge a power station?
The Zendure 420W Flexible Solar Panels panel (420 W) recharges a Jackery Explorer 1000 v2 (1070 Wh) in ~3h40 or an EcoFlow Delta 2 Max (2048 Wh) in ~7h, in full sun.
| Compact / mid | Recharge |
|---|---|
| EcoFlow River 2 (256 Wh) | ~50 min |
| EcoFlow River 3 Plus (286 Wh) | ~60 min |
| Growatt Vita 550 (538 Wh) | ~1h50 |
| EcoFlow River 3 Max Plus (sans fil) (858 Wh) | ~2h55 |
| High capacity | Recharge |
|---|---|
| Jackery Explorer 2000 v2 (2042 Wh) | ~6h55 |
| EcoFlow Delta 2 Max (2048 Wh) | ~7h |
| Jackery Explorer 3000 v2 (3072 Wh) | ~10h |
| Allpowers R4000 (3456 Wh) | ~12h |
Estimate in full sun (ideal conditions). In practice, count on 3 to 5 hours of truly useful sunlight per day, so a full recharge may span several days depending on weather and orientation.
Compatible power stations
A selection of power stations whose solar input accepts this photovoltaic panel, best match first.
Comparison
How do these Zendure flexible panels compare with other balcony solutions?
| Criterion | Zendure 420W flexible | EcoFlow 400W flexible | Rigid panel 2 x 210W |
|---|---|---|---|
| Power | 420W (2 x 210W) | 400W | 420W |
| Type | Flexible | Flexible | Rigid |
| Flexibility | Up to 220° | Limited curve | None |
| Weight | 4.3 kg / panel | About 5 kg | Heavy |
| Warranty | 12 years | Varies | Varies |
Against a rigid panel, the Zendure flexible version wins on weight and adaptability to curved surfaces, at the cost of slightly greater heat sensitivity. Compared with other flexible panels, it stands out with its high flexibility (220°) and its 12-year warranty.
Related video
Video: Je teste 6 mois le ZENDURE SolarFlow : kit solaire plug and play avec batterie - Published on 12/07/2024
Our tester's review: Julien De Jurquet
These flexible panels solve a real balcony-solar problem: mounting on a rounded railing or a surface that is not perfectly flat. With a claimed flexibility of up to 220°, they fit where a rigid panel would refuse to sit, and their featherweight (4.3 kg per panel) lets you handle and fix them on your own, with no heavy drilling. In use, you appreciate the matte finish and the ETFE surface that lets light through well; the 23% efficiency is very decent for a flexible panel, and output holds up even under a hazy sky. The IP68 junction box and MC4 connectors plug straight into a microinverter or a SolarFlow hub, with no adapter. Two honest caveats: like any flexible panel, they run hotter than a well-ventilated rigid one, which nibbles at output in high summer, and they remain more fragile to repeated bending. But to dress a balcony or a garden shed discreetly and lightly, with a 12-year warranty, this pair of 210W panels is an excellent choice.
Frequently asked questions: Zendure 2 x 210W flexible solar panel kit
Two flexible solar panels of 210W each, or 420W in total. They connect easily to a microinverter or a storage hub through standard MC4 connectors.
Yes, that is their main asset: they bend up to 220° to hug a rounded railing, a curved roof or a hull. At 4.3 kg per panel, mounting is easy and needs no heavy drilling.
Yes. Their junction box is IP68 rated, which protects them against rain and dust. They are designed for a permanent outdoor installation and are backed by a 12-year warranty.
Yes. With their MC4 connectors and an output of around 41 V / 5 A per panel, they integrate directly into the SolarFlow ecosystem (Hub 2000, Hyper 2000, SolarFlow 800) and most microinverters on the market.
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Published on 17/07/2026, updated on 26/08/2026