OSRAM BATTERYcharge SOLAR OFSP20 – portable 20W solar power
OSRAM BATTERYcharge SOLAR OFSP20 is a compact, foldable solar panel designed to power small electronic devices when mains electricity is not available. Its monocrystalline solar cells provide up to 20W, with USB-C and USB-A connections for compatible portable electronics.
Key advantages
- Up to 20W output from a portable solar panel.
- USB-C and USB-A connections rated by OSRAM at 5V/2.4A.
- Monocrystalline solar cells in a compact foldable format.
- IP65 protection for outdoor use.
- Approx. 0.8 kg weight for convenient transport.
- Integrated stand for positioning the panel towards the available sunlight.
Designed for portable electronics
The OFSP20 is best considered a portable USB solar charger for phones, tablets, power banks and other compatible small electronic devices. OSRAM also states that the panel can generate power in overcast conditions.
This specific OFSP20 version should not be confused with older BATTERYcharge SOLAR models intended to maintain 12V vehicle batteries. The manufacturer's technical data lists battery connection as N/A for OFSP20.
USB-C and USB-A charging
OSRAM specifies USB-C and USB-A connections at 5V/2.4A. USB Power Delivery profiles and the combined maximum output of both ports operating simultaneously are not specified, so compatibility with devices requiring higher USB-C voltages should be checked before use.
Compact outdoor design
The panel weighs approximately 0.8 kg and incorporates a folding stand. OSRAM specifies IP65 protection, dimensions of 203 × 28 × 263 mm and a 2.2 m power cable.
Typical applications
- 4x4 and overland trips,
- camping,
- camper vans and expedition vehicles,
- off-grid travel,
- portable charging of small electronics.
Technical data
| Parameter | Value |
|---|
| Brand | OSRAM |
| Series | BATTERYcharge SOLAR |
| Model / MPN | OFSP20 |
| Solar power | up to 20W |
| Cell type | Monocrystalline |
| Connections | USB-C, USB-A |
| USB rating stated by manufacturer | 5V / 2.4A |
| Protection rating | IP65 |
| Dimensions | 203 × 28 × 263 mm |
| Weight | approx. 0.8 kg |
| Power cable length | 2.2 m |
| GTIN / EAN | 4062172416498 |
| Manufacturer warranty | 2 years |
FAQ
Can OFSP20 maintain a 12V vehicle battery?
The technical documentation for this exact version lists battery connection as N/A and recommends OFSP20 for charging small electrical devices.
Does it work in cloudy conditions?
According to OSRAM, the panel can continue producing power in overcast conditions.
Can it charge a laptop?
OSRAM mentions laptops as a possible application, but USB Power Delivery is not specified. Check the input requirements of your particular laptop before connecting it.
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