John Drake Services, Inc.
1427 E. 68th Street
Long Beach, CA 90805
This is an ongoing work in progress.
We will add information as time permits.
electricity from the sun by John Drake II
About this website.
Solar Panels / Photovoltaic Modules - Read Before You Buy
Make A Plan
PV System Layout and Parts
Start with the loads you are going to operate
Battery Types and Sizing
Battery Charging Voltages and Temperature
Battery Trouble Shooting
Charging Batteries - You can't have everything.
Battery State of Charge and Measurement
Safety Devices Fuses and Circuit Breakers
Series & Parallel Wiring
Wiring and Power Distribution Connections
Photovolatic Module Specifications - Real or a Pipe Dream
Photovoltaic module solar panel location and positioning
Photovoltaic Module and Solar Panel Information
Charge Controller Types
Wire and Cable Types
Wiring - Doing it Right
Connections for Wiring
Voltage Drop - Wire Loss, What are they?
Wire loss - Voltage drop charts
D.C. to A.C. Inverters
Low Voltage D.C. Lighting & Color Temperature of Light
Battery System Monitoring
Dont fool yourself - Spending your money wisely.
Solar Converters GS-1AC
Linear Current Boosters for Water Pumping
Utility Grid Intertie Systems
Solar Insolation Chart
Alternative Energy Expectations
Power Needs Worksheet