A 390W JA Solar panel is a photovoltaic module made by JA Solar. The exact specifications depend on the model, but a typical 390W monocrystalline panel includes:
Rated Power (Pmax): 390 Watts
Cell Type: Monocrystalline PERC (120 half-cut cells)
Module Efficiency: Around 19.5–20.5%
Maximum Power Voltage (Vmp): Approximately 36–38 V
Maximum Power Current (Imp): Approximately 10.3–10.8 A
Open-Circuit Voltage (Voc): Approximately 44–46 V
Short-Circuit Current (Isc): Approximately 11 A
Dimensions: About 2.0 m × 1.0 m (varies slightly by model)
Weight: Around 22–23 kg
Frame: Anodized aluminum with tempered glass