Source for Poly-crystalline silicon Solar panel-ZDNY-20D manufacturers at Hangzhou Zhejiang University Sunny Energy Science and Technology Co.,Ltd. Find a quality supplier or manufacturer of Poly-crystalline silicon Solar panel-ZDNY-20D from China

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Maximum power (watt)                          20W 
Production tolerance                             +3% /-3%
Maximum power voltage                       17.5V 
Maximum power current                       1.14A
Size of module                                        530*350*28（MM）
Frame(type, material and thickness) Anodized Alum. Alloy 28mm thickness
Number of cells                                      36pcs
Size of cells(wide and high)                 156*156（mm）
Weight per piece                                     2.5KG
Type of junction box                                TUV certified junction box
Certificates                                               CE, ROHS,ISOIEC,TUV
Cable type and length,
connector type                                           4c㎡ TUV certified cable 90cm long
Multi contact connector
(compatible to MC type IV)
Maximum system voltage                        1000VDC
Temperature coefficient of Isc                ±0.05%℃
Temperature coefficient of Voc               -0.33%℃
Temperature coefficient of power           -0.23%℃
Temperature coefficient of Imp              +0.08%℃
Temperature coefficient of Vm                -0.33%℃
NOCT(nominal operating cell temperature) 45℃(±℃)
Insulation                                                   ﹥﹦100MOhm
Voltage standoff                                        AC2000V, DC 3000V
Wind bearing                                             60m/s(200kg/sq.m)
Impact resistance hail impact test        227g steel ball fall down from 1m  height
Encapsulated with toughened glass Low iron tempered glass with thickness of 3.2mm,light transmittance above91%
Conversion efficiency Cell conversion  efficiency﹥14.05%
Container                                                    20’(256pcs) 40’(512pcs)
Quality guarantee                                      2years product warranty,10years 90% and 25yesr 80% of the power