Description
A generator runs out of fuel. The sun does not send an invoice.
Portable power stations solved the battery problem and created a new one: the battery is only as useful as the panel that refills it. A 200 watt folding panel is the size where solar stops being a demonstration and starts being a plan. It is heavy enough to matter and light enough to carry, and it produces enough current to refill a mid-size station over a day of reasonable sun rather than over a week of hope. For anyone who has watched a station drop from eighty percent to thirty while camping, this is the component that changes the trip.
The panel is monocrystalline silicon behind an ETFE film, four folding sections, with a conversion efficiency the manufacturer rates at 23.4 to 24 percent. ETFE is the detail worth understanding: it is a fluoropolymer surface that resists UV degradation and cleans easily, which is why the panel does not cloud over after two seasons in the sun. Unfolded, the array measures 58 by 172 by 3 centimetres and weighs 6.1 kilograms, so it packs like a large portfolio rather than a suitcase. Maximum output is 200 watts at 18 volts nominal, which is the correct pairing for most portable stations that accept an 18 to 24 volt solar input.
The honest limitation is that 200 watts is a nameplate figure measured under standard test conditions. Real output depends on angle, cloud, temperature and cable length, and a realistic expectation on a bright but hazy day is sixty to seventy five percent of rated. That is still enough to matter: a station that would take two days to refill from a smaller panel takes one. For a camper, a van conversion or a household preparing for grid interruptions, the panel is the part of the system that determines whether the battery is a backup or a decoration.
The panel is not the accessory. It is the part of the system that makes the rest of it independent.
What the specification means in the field
- ✦200W monocrystalline array with 23.4 to 24 percent module efficiency for compact output per square metre.
- ✦ETFE surface film that resists UV degradation and wipes clean, unlike coated fabrics that cloud over time.
- ✦Four folding sections that pack into a portfolio form at 6.1 kg for vehicle and campsite transport.
- ✦18V nominal output matched to portable power stations with an 18 to 24 volt solar input.
- ✦Unfolded area of 58 x 172 x 3 cm, sized to produce meaningful current without a permanent mount.
- ✦Monocrystalline cells that hold output better than polycrystalline in diffuse light and high temperature.
- ✦Foldable rigid construction that survives being carried rather than installed once on a roof.
Panel specification
- Model S200
- Maximum power 200W
- Nominal voltage 18V
- Cell type Monocrystalline silicon
- Module efficiency 23.4-24%
- Surface film ETFE
- Panel sections 4, foldable
- Unfolded size 58 x 172 x 3 cm
- Weight 6.1 kg
- Flexible No, rigid foldable
- Certification CE
- Application Portable power station charging
Deployment scenarios
Van conversions use it as the portable half of a two-part system, deploying it on arrival and stowing it while driving. Campers pair it with a mid-size power station to extend a trip without hunting for a hookup. Households in areas with unreliable grid supply keep it as a deployable charger for a backup station during an outage. Off-grid cabin owners use it as a maintenance charger for batteries that would otherwise sit idle. Photographers and remote workers who run a station for camera and laptop charging get a full day of autonomy from a single panel rather than rationing output.
Matching it to your station
Q: Will it charge my power station directly?
Only if your station accepts an 18 to 24 volt solar input through an appropriate connector, which most portable stations do. Check both the connector type and the maximum input voltage before connecting. A station with an integrated MPPT controller will extract more from the panel than one with a basic regulator.
Q: How much power does it actually produce?
Expect sixty to seventy five percent of the rated 200W on a bright but hazy day, and less when the panel is hot or angled away from the sun. Nameplate ratings assume standard test conditions that rarely occur in the field, so plan your charging around realistic output.
Q: Can it charge a car battery?
It can, through a suitable charge controller. Do not connect the panel directly to a battery, because an unregulated 18 volt source is not a charger. A small PWM or MPPT controller sits between the panel and any battery you intend to maintain.
Q: Is it waterproof?
It is built for outdoor deployment with an ETFE surface and a rigid foldable frame, but it is not rated for submersion. Rain during use is not the concern; leaving it in standing water or folding it away wet is.
Q: How long does it take to charge a 500Wh station?
In realistic sun, roughly four to six hours from empty with a 200W panel and an efficient controller, accounting for losses. In poor light, treat it as a two-day job rather than expecting a same-day refill.
The EastSupplier Promise
Ships from the Germany warehouse with CE certification and the correct output connector for portable stations. If a panel arrives with a dead cell string or a damaged junction box, we replace it. Pairing questions about your station's input limits are answered in English before you order.
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