The SPM20-P series modules consists of 36pcs 156 x 156mm poly-crystalline silicon solar cell with high efficiency, high transmission rate and low iron tempered glass, anti-aging EVA and high frame resistant TPT to laminate, products have high efficiency, long life, easy installation, high wind and hail impact resistance, and more advantages

Encapsulation: glass/EVA/cells/EVA/TPT

Size and number of cells: 156 x 156mm 36/4 x 9pcs

Maximum power(Pm): 18.5W，20W,  25W

Tolerance: ±5%

Voltage at max power(Vmp): 17.4V

Current at max power(Imp): 1.06A，1.15A,  1.44A

Open circuit voltage(Voc): 21.6V

Short circuit current(Isc): 1.17A，1.26A, 1.58A

Maximum system open voltage: 715V

Diodes: none

Dimensions: 540 x 340 x 23mm

Weight: 2.3kg

Operate temperature scope: -40/+85℃

Relative humidity: 0 to 100%

Resistances: 227g steel ball fall down from 1m height and 60m/s wind

Warranty: Pm is not less than 90% in 10 years and 80% in 25 years

Test conditions: at STC 1,000W/, AM1.5,  25℃

Product standards: module certified to CE