20W 156series poly solar panels

Detailed Product Description

20W polycrystalline solar panel

·use best material to make polycrystalline Si solar cells

·high module efficiency

·reliable quality

·long life time

·suitable for independet PV system and combined to the grid.

Main characteristic:

·use 156mm*156mm high efficiency poly solar cell

 One bypass diode

·use high refaction toughened glass reduce reflect sunlight

·Max system voltage over 1000VDC

·life time over 25 years

·high mechanical intensity. Suitable for atrocious weather

Structure characteristic:

·high transparency low Fe toughened glass

·anti-aging EVA

·High quality TPT

·waterproof DC junction box

Electric characteristic:

·Power Rating:                               20Wp(+/-3%)

·Voc:                                             21.3V

·Isc:                                               1.27A

·Vm:                                              17.30V

·Im:                                                1.16A

·Size:                                            554mmx345mmx25mm

·Max sysrem voltage                       1000VDC

·temperature modulus current           LSC+0.05%

·temperature modulus voltage           VOC-158 MV/C

·temperature modulus power             -0.46% / C

·temperature modulus wire length      +600 MM/-1100 MM

·operation temperature                      25

·weight                                            3kg

·temperature range                           -40-+80