My Solar Panel System

BP255 Solar Panel from BP Solar

Specifications

Electrical Characteristics
STC Power Rating Pmp (W)	55
Open Circuit Voltage Voc (V)	21.2
Short Circuit Current Isc (A)	3.54
Voltage at Maximim Power Vmp (V)	17.0
Current at Maximim Power Imp (A)	3.23
Panel Efficiency	13.2%
Fill Factor	73.3%
Power Tolerance
Maximum System Voltage Vmax (V)
Maximum Series Fuse Rating (A)
Temperature Coefficients
Temperature Coefficiency of Isc
Temperature Coefficiency of Voc
Temperature Coefficiency of Pmp
Mechanical Characteristics
Cell Type	Monocrystalline Cell
Cell Size(mm)
Cells	36
Dimensions	927.0 × 448.0 × 38.5mm (17.6 × 36.5 × 1.5 inch)
Weight	5.9Kg (13.0 lbs)
Junction Box (Safety Rating, Bypass Diodes)
Positive Cable (Length, Cable Cross-Section)
Negative Cable (Length, Cable Cross-Section)
Plug Connector (Type, Safety)	Dose
Front Cover (Thickness,Material)
Backsheet Cover (Color, Thickness, Material)
Encapsulation Materials
Frame Material	Aluminium
Operation Conditions
Nominal Operating Cell Temperature (NOCT)
Operating Temperature
Maximum Load
Hail Storm Rating
Fire Safety Rating

My 20A PWM SUOER ST-G1220  Solar  Charge Controller 12v / 24v

After I bought sa Raon Sta,Cruz Manila for P800 Binaklas ko agad Open to see whats inside

LM293 LOW POWER DUAL VOLTAGE COMPARATORS

TM1628 LED driver chip

Removed four screws from the back aluminum cover/heatsink: 

A dual op amp and MCU: 

RU40190R output switch mosfet: 

HY3506 PV input switch mosfets: 

Mode 17 settings

1. EZ338

2. SC91F729BM  FLASH ROM MCU

3. LM293 LOW POWER DUAL VOLTAGE COMPARATORS

4. TM1628 F131221BC4629XT  LED driver control

http://www.ram-e-shop.com/ds/general/KT1220P_solar_charge_con2.pdf

http://www.quan-diy.com/misc/scc/mppt.htm

I need to Buy :

Motollite SolarMaster Deep Cycle Battery

Solar Watt Meter

Pure Sine wave Inverter

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