The solar module i am using is SANYO HIT-N220A01 and its salient features at standard testing condition are as follows.

• P_mpp=220 W
• Vmpp=42.7 V
• Impp=5.17 A
• Isc=5.65 A
• Voc=52.3 V
• Energy density=16.22 W/ft²
• Cell efficiency = 19.8 %
• Module efficiency = 17.4%
• Temperature coefficient P_max= -0.336%/C
• Temperature coefficient V_oc= -0.145V/C
• Temperature coefficient I_sc= 1.98mA/C
• System fuse rating = 15 A
• Bypass diodes = 3
• Watts per sq. ft = 16.22 W

HIT Power 220A Datasheet