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www.cottonpickersplace.co.uk • FS: Cottonpickers Solar Project / Timer Box Combos
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FS: Cottonpickers Solar Project / Timer Box Combos

Posted: Sat Oct 05, 2013 7:11 pm
by cottonpickers
For sale are a packaged, "Combo' box solutions. I'm offering 2 models here, a Nimh based solution and a Li-ion based solution.

Combo 1: NiMh
Panel: 920ma Solar panel with USB port
Battery Pack: Empty Nimh Holder for 4x D cell rechargeable batteries (stores about 30watt hours)
Timer: 7 Day timer to switch the Pi on and off at set times
Box: A4 sized box to hold it all in and keep the worst of the weather out
Pi Holder: Simple plastic holder for the Pi

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This is a nice solution for most uses - Just add 4 D Cell Nimh batteries and you are good to go. It will charge 4 high capacity (8,000mah) batteries in around 10 hours of good sun, and can power the Raspberry Pi B model for around 15 hours, or the Raspberry Pi Model A for around 30 hours with fully charged batteries. If you use the timer to switch the pi off at night or only switch on a few hours a day you could run all year in a remote location





Combo 2: Li-ion
Panel: 1500ma Solar panel with USB port
Battery Pack: Empty Li-ion Holder for 4x18650 rechargeable Li-ion batteries (stores about 40 watt hours)
Timer: 7 Day timer to switch the Pi on and off at set times (or anything else USB powered)
Box: A4 sided box to hold it all in and keep the worst of the weather out.
Pi Holder: Simple plastic holder for the Pi

Image

This is a more powerful solution. Just add 4x 18650 Li-ion cells and you are good to go. It will charge the pack (up to 13,000mah) in around 10 hours of good sun and can power the Raspberry Pi B model for around 20 hours or the Raspberry Pi Model A for around 40 hours with fully charged batteries. If you use the timer to switch the Pi off at night or only switch on a few hours a day you could run all year in a remote location. The battery pack has a white LED which will glow permanently - Provides a gently glow 24x7 from the box.