A Grade 4W Poly Solar Cells/cell

Specifications 1. High efficiency and High power.

2. Long-term electrical stability.

3. Lowest price.

4. Good quality and good service.

 6 INCH 156*156 Poly solar cell high efficiency solar cells 6x6 for panel buy bulk , wholesale price  Physical Characterstics:   Dimension       156mm×156mm±0.5mm  Wafer Thickness  200±30μm                  180+30μm / -20μm   Front(-)        Three 1.5mm wide bus bars (silver) with distance 52mm,                   Acid texturized surface with blue silicon nitride AR coating   Back(+)        3.0 mm wide silver / aluminum soldering pads, aluminum back surface field. Electronic characteristics:

Efficiency code	1640	1660	1680	1700	1720	1740	1760
Efficiency(min)%	16.4	16.6	16.8	17.0	17.2	17.4	17.6
Pmax(W)	3.991	4.040	4.088	4.137	4.186	4.234	4.283
Voc(V)	0.621	0.622	0.623	0.625	0.627	0.629	0.631
Isc(A)	8.203	8.267	8.335	8.398	8.454	8.506	8.561
Vmp(v)	0.519	0.520	0.521	0.523	0.525	0.527	0.529
Imp(A)	7.690	7.769	7.847	7.910	7.973	8.035	8.097

* Data under standard testing conditions (STC):1,000W/m², AM 1.5,25°C, Positive power tolerance Typical temperature coffiecients: Voltage     -2.14  mV/K Current     +4.93  mA/K Power      -0.43   %/K