Flexible Solar Panel
Technical Guidance - Solar Panels
Flexible Solar Panel
For your reference, Photo-Voltaic Solar technology is improving in efficiency by around 0.1% per quarter for Monocrystalline cells. Efficiency of 10% means 1 sq.m panel in full sun will generate 100W of electricity. So, 2010 Panels should be 1-2.5% more efficient than 2005 generation cells!
There are 3 Major Types of Flexible Solar Panel:
Panels made from amorphous cells have been used in portable items for many years (UniSolar).
Their conversion efficiency of sunlight to electricity is 5-7%, about half that of the other panels but unlike the other types, their output does not decrease in elevated temperatures.
Panels made thin film cell CIGS technology. (Copper, Indium, Gallium, diSelenide) are flexible, durable, and provide slightly higher efficiency than other flexible solar cells. (SUNLINQ, Global Solar, P3). Typical sizes less than 60W.They can be mounted to curved surfaces and any backpack, tents or jackets.
Solar Panel Photo-Voltaic 25 Year Warranty
Technical Guidance - Solar Panels
WARRANTY FOR all STANDARD PV MODULES (Solar Panels) Kimberley Kampers Pty Ltd
1. Limited Power Performance Warranty
a) Eco-camper warrants: If, within twelve (12) years from date of delivery to the Customer any PV module(s) exhibits a power output less than 90% of the Minimum Peak Power*as specified at the date of delivery in Eco-camper Product test data, provided that such loss in power is determined by Eco-camper (in its reasonable discretion) to be due to defects in material or workmanship, Eco-camper will replace such loss in power by either providing to the Customer additional PV modules to make up such loss in power or by providing monetary compensation equivalent to the cost of additional PV modules required to make up such loss in power or by repairing or replacing the defective PV modules, at the option of Eco-camper.
b) Eco-camper additionally warrants: If, within twenty five (25) years from date of delivery to the Customer any PV module(s) exhibits a power output less than 80% of the Minimum Peak Power* as specified at the date of delivery in Eco-camper 's Product test data, provided that such loss in power is determined by Eco-camper (in its reasonable discretion) to be due to defects in material or workmanship Eco-camper will replace such loss in power by either providing to the Customer additional PV modules to make up such loss in power or by providing monetary compensation equivalent to the cost of additional PV modules required to make up such loss in power or by repairing or replacing the defective PV modules, at the option of Eco-camper.
Comparison of Solar Panel Types
Technical Guidance - Solar Panels
For your reference, Photo-Voltaic Solar technology is improving in efficiency by around 0.1% per quarter for Monocrystalline cells. Efficiency of 10% means 1 sq.m panel in full sun will generate 100W of electricity. So, 2010 Panels should be 1-2.5% more efficient than 2005 generation cells!
There are 4 Major Types of Solar Technology available for the Camping Market:
Panels made from polycrystalline cells are the most common and cheapest.( Typically BP, Solarex, Sharp and Kyocera). Their conversion efficiency 13% to 15% (sunlight to electricity). However, under elevated temperatures of 50 degress C panel temp, the efficiency drops by around 20%.
Panels made from monocrystalline cells are used in high reliability applications such as telecommunications and remote power. (Typically BP, Siemens and ECO-CAMPER). Their conversion efficiency is typically 14-17.5% (higher than the polycrystalline cells). However, at elevated temp, the efficiency only drops by 10-15% so they are more consistent in output.
Panels made from amorphous cells have been used in portable items for many years (UniSolar).
Their conversion efficiency of sunlight to electricity is 5-7%, about half that of the other panels but unlike the other types, their output does not decrease in elevated temperatures.
Supercharged Panels Explained
Technical Guidance - Solar Panels
How do you upgrade your solar panels to “Supercharged Solar Panels”?
Solar cells are great technology. Unfortunately, they are not matched very well to batteries. Most solar panels are built to put out from 16 to 36 volts. The problem is that a nominal 12 volt battery is in range of 10.5 to 12.7 volts, depending on state of charge.
Under charge, most batteries want from around 13.2 to 14.4 volts to fully charge - quite a bit different than what most panels are designed to put out.
OK, so we have a 120 watt solar panel. Catch is that it is rated at 120 watts at a particular voltage and current. Typically 7.1 amps at 16.9 volts - 7.1 amps times 16.9 volts = 120 watts.
So what happens when you hook up this 120 watt panel to your battery? Unfortunately, what happens is not 120 watts.
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