Fuel Cell

Fuel cell is an electrochemical device that converts chemical energy directly into electricity. Fuel cells are different from batteries in requiring a continuous source of fuel and oxygen or air to sustain the chemical reaction, whereas in a battery the chemicals...

Maximum Power Point Tracking (MPPT)

A charge controller technique that attempts to supply maximum power to the batteries by tracking the maximum power point (MPP) at all times achieving a 15% to 35% increase over other types of charging techniques. Basically, Maximum Power Point Tracking (MPPT) is...

Radiant Energy

Naturally occurring sources of radiant energy such as the sun can be converted into usable electricity with solar power or used as passive solar. Radiant energy travels in wave forms. Types of radiation with higher frequency are higher energy. As the source material...

Solar Panel Performance Warranty

Performance warranty or so called limited power warranty is to warrant the degradation of the cells over 25 years. The manufacturer may state that the performance will only reduce by say 10% after the first 10 years and then another 10% over the next 15 years. You...

Solar Panel Product Warranty

A solar panel’s product warranty covers the integrity of the panel itself, and protects you against failures due to manufacturing defects, environmental issues, premature wear and tear, etc. Product warranty or so called the limited product warranty for most solar...