Small Solar Cell Panel

I just received a small solar cell panel I’ve ordered from Ali Express. It’s 11.5 cm tall and 8.5 cm wide.

According to the specs at Ali Express it should be able to produce 1.5 watts. At 12 V this is equivalent to 125 mA.

I did a quick test in my window during an early sunny morning and my multimeter showed 47 mA.

Solar Cell in Window

Solar Cell Multimeter Reading 47 mA

I would think that 125 mA is not unreachable at noon a sunny day outside.


  • Size: 115 x 85 mm
  • Material: Polycrystalline Silicon
  • Voltage: 12V
  • Max Power: 1.5W