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Specifications

Solar Power in 156*156mm Poly Solar Cell:
1.Power:3.9w
2.High effciency lower price 2BB
3.CE ,RoHs
4.Voltage:0.5V

Solar Power in 156*156mm Poly Solar Cell:
1.Power:3.9w
2.High effciency lower price 2BB
3.CE ,RoHs
4.Voltage:0.5V

(1)Character of polysolar cell

1.Dimension 156mm*156mm±0.5mm.

2.Wafer thickness 200±30µm.

3.Front(-):Two 2.0 wide busbars(silver)With Center distance 75mm.

4.Back(+):4.0mm wide silver soldering pads aluminum back surface field.

5.Silicon nitrate antireflection coating

6.Both front and back use silver contact,Back surface field is aluminum.

7.strictly quality testing

automatically testing and sorting in 24 separate bins base on iec060904 criterion

100% strictly final testing for reverse current,shunt and series resistance

Efficiency	Pmpp	Umpp	Impp	Uoc	Isc	FF
17.40%	3.96	0.5092	7.72	0.6194	8.41	77.4
17.20%	3.91	0.5075	7.66	0.6165	8.37	77.28
17.00%	3.86	0.5049	7.6	0.6133	8.34	76.94
16.80%	3.81	0.5026	7.54	0.6127	8.19	76.24
16.60%	3.75	0.5002	7.52	0.6122	8.16	76.06
16.40%	3.71	0.4978	7.48	0.6117	8.13	75.92
16.20%	3.65	0.4943	7.42	0.6108	8.11	75.85

(2)Character of monocrystalline silicon solar cell

•Dimension 125mm*125mm±0.5mm.

•Wafer thickness 200±30µm.

•Front(-):Two 2.0 wide busbars(silver)With Center distance 75mm.

•Back(+):4.0mm wide silver soldering pads aluminum back surface field.

•Silicon nitrate antireflection coating

•Both front and back use silver contact,Back surface field is aluminum.

•strictly quality testing

100% strictly final testing for reverse current,shunt and series resistance

100% inspection for visual appearance.