Klein Tools 200W Portable Solar Panel (29251)
Solar panel. Specs from the manufacturer page (checked ).

The Klein Tools 200W Portable Solar Panel (29251) is a foldable solar panel with 200 W maximum output and a 232 cm × 5.1 cm × 58.6 cm folded case. It can be chained with a second 200W panel for up to 400 W, and its four monocrystalline panels are rated IP65 for weather resistance.
Key features
- 200W max power output; up to 400W when chained with another 200W panel
- Integrated USB-A port rated 5V/3.0A for direct charging of USB devices
- APP compatible output rated 24.6V/10.8A, with a 16.4-foot (5 m) 16 AWG cable
- Kickstands angle the panel toward the sun; LED lights indicate power output level
- IP65 weather resistant; four monocrystalline panels fold into a carrying case
- Reflective fabric on front and rear to help locate panels in the dark
- Operating temperature 32° to 185°F (0° to 85°C)
What it is for
- Off-grid recharging in the field
- Charging power banks, power stations and portable batteries
Specifications
| Rated power | 200 W |
|---|---|
| Solar input | 200 W |
| Expandable | Yes |
| Weight | 8.2 kg (18.1 lb) |
| Dimensions | 232 × 5.1 × 58.6 cm (91.3 × 2.0 × 23.1 in) |
From the Klein Tools page. Values the manufacturer does not publish are left out.
What is in the box
- Solar Panel
- USB-A Output Port
Connection and wiring
Follow the diagrams in the Klein Tools manual.
Open the Klein Tools manual (PDF) →
Error codes and troubleshooting
Solar panels have no error codes; faults show on the connected charge controller or power station.
FAQ
How much energy does the Klein Tools 200W Portable Solar Panel (29251) make per day?
About 300 Wh on a short winter day (2 peak sun hours) and 825 Wh in summer (5.5 h), after 25 % losses for angle, heat and the charge controller. Rated 200 W.
How long does it take to recharge a 1,000 Wh power station?
About 1.2 sunny summer days or 3.3 winter days with this one panel. Check that the station's solar input accepts the panel's voltage.