Solar Cell 2V 30mA Polycrystalline 55x55mm
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Prices updated: 12 Oct 2026
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About this product
A 55 x 55 mm polycrystalline solar cell rated at 2 V and 30 mA, with a tolerance of ±5%. It suits small solar experiments, light-powered sensors, and solar street light or PV learning projects. Cells can be wired in series to raise voltage or in parallel to raise current.
Specifications
- Dimensions
- 55 x 55 mm
- Cell technology
- Polycrystalline
- Rated voltage
- 2 V
- Rated current
- 30 mA
- Tolerance
- ±5%
Frequently asked questions
Can this 2 V cell charge a 3.7 V Li-ion battery directly?
No. A 2 V cell is below the battery voltage, so it cannot charge a 3.7 V lithium battery directly. Use a charge controller and charging circuit designed for that battery.
How do I get higher voltage or current?
Connecting cells in series adds their voltage (about 2 V per cell). Connecting them in parallel adds current (about 30 mA per cell). Use matched cells and check polarity.
