Specifications of Solar P-type silicon wafer
	Resistivity(Ω·cm)	Diameter(mm)	Thickness(μm)	Flat to flat length(mm)
Common  M1	0.3-3	205	170-200	156×156
Common  M2	0.3-3	210	170-200	156.75×156 .75
Common  M4	0.3-3	211	170-200	161.7×161.7
Thinner monocrystalline silicon	0.3-3	160/205/210/211	90-130	125-162
Monocrystalline silicon square wafers	0.3-3	219/220	130-180	156×156 .75
Specifications of Solar N-type silicon wafer
	Resistivity(Ω·cm)	Diameter(mm)	Thickness(μm)	Flat to flat length(mm)
Common  M1	0.1-20	205	170-200	156×156
Common  M2	0.1-20	210	170-200	156.75×156 .75
Common  M4	0.1-20	211	170-200	161.7×161.7
Thinner monocrystalline silicon	0.1-20	160/205/210	130-180	156.75×156 .75
Thinner monocrystalline silicon	0.1-20	160/205/210/211	90-130	125-162
Monocrystalline silicon square wafers	0.1-20	219/220	130-180	156×156 .75

PERC battery

-Average efficiency of cell over 20%,panel power 295W

-Monocrystalline cell attenuation to less than 2% to promote profitability of power plant

-Better slot project,equip with high quality metallizing material to ensure the durance of the cell

-Excellent weak light effect,promote profitability of power plant

Battery cells Specifications PERC

Specification	Dimensions(mm)	Thickness(μm)	Parameters
			Eff(%)	Power(W)	Voc(V)	Impp(A)	FF
M2-4BB	156.75*156.75-210	160-200	21.2	5.18	0.663	9.702	80.53%
			21.1	5.15	0.662	9.67	80.45%
			21	5.13	0.661	9.663	80.32%