Unlimited Solar 20 Watt 24 Volt Polycrystalline Solar Panel

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Unlimited Solar 20 Watt 24V Polycrystalline High Efficiency Solar Panel

Model Number: USP020P-24

Unlimited Solar High Efficiency USP020-24 Solar Panel utilizes Polycrystalline solar cells to increase light absorption and improve efficiency. Solar panels has a heavy duty anodized aluminum frame, 3.2 mm high transparency tempered glass . A built in blocking diode prevents the reverse flow of electricity. Delivers up to 0.63 amps / hour and measures 22.68" x 14.06" x 1.18". Manufactured using only the highest quality components, USP020-24 solar panel designs provide optimized module life and performance. All our products are covered by a 30 years warranty on the energy production and by a 2 years warranty on the production defects. 


Nominal 12V DC for standard output.

Heavy-duty anodized frames

High transparent low-iron,tempered glass

Rugged design to withstand high wind pressure, hail and snow load

Aesthetic appearance


Nominal Output (Pmax) [W] 20 Watt
Voltage at Pmax (Vmp) [V] 34.4 Volt
Current at Pmax (Imp) [A] 0.58 Amp
Open Circuit Voltage (Voc) [V] 43.2 Volt
Short Circuit Current (Isc) [A] 0.63 Amp
Maximum System Voltage [V] 1000 Volt DC
Solar Cells 72 (4 x 18) poly-crystalline cells
Font Cover 3.2 mm thick, low iron tempered glass
Back Cover TPT (Tedlar-PET-Tedlar)
Encapsulant EVA (Ethylene vinyl acetate)
Frame Anodized aluminium alloy, double wall
Connector N/A
Cables 3FT / 16AWG 2C Tray Cable
Dimensions 576 x 357 x 30 mm ( 22.68" x 14.06" x 1.18" )
Weight 2.8 kg ( 6.17 lbs )
Max. Load Certified to 5400 Pa
NOCT (Air 20°C; Sun 0.8kW/m² wind 1m/s) 47±2°C
Temperature coefficient of Voc -(80±10)mV/°C
Temperature coefficient of Isc (0.065±0.015)%/ °C
Temperature coefficient of power -(0.5±0.05)%/ °C
Operating temperature -40°C to 85°C

Racking/Mounting Options

25 year power warranty

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  • 5
    Solar Panel - trial item

    Posted by Julie on 14th Feb 2018

    We are going to be using this as a component part and need more information, stock & lead time issues prior to putting these into our item master. Can someone please call me. Left message this a.m.