General Discussion (1,337)

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Latest Harbor Freight 45 Watt Solar Kit Coupon

This is the place to post the latest Harbor Freight coupon for the 45 watt Solar Panel Kit!

Started by Renewable RayLatest Reply

Discussions Replies Latest Activity

Ultraviolet Water Treatment

Hello to all. I recently took a "class" in back country water treatment. It was primarily for hikers and I figured I had nothing to lose bu…

Started by sl dl

6 Nov 12
Reply by sl dl

Harbor Freight Battery Holding Up Through it's First Real Abuse

We still really enjoy using this portable solar generator we built. It's handy for lighting and charging devices on our mountain property.…

Started by Renewable Ray

0 Nov 2

Will the future of LED lights be dim?

One of my first LED's I got, stated  50,000 hours of live. Then it went to 23,000 hours life, Lowes just sold a cheap one for $2.50 and it…

Started by Johann

15 Oct 19
Reply by Johann

Solar furnace...anyone have one?

I am planning to build a solar furnace as an experiment. Do you have one, have you used/built one and what was the outcome? After building…

Started by No More Meters

3 Oct 7
Reply by No More Meters

How to Calculate Battery Bank Size

I have looked but may not have looked deep enough for the answer to my question so I am asking for help. I want to know how to figure the l…

Started by No More Meters

23 Oct 3
Reply by randall

Charge Controller Power Consumption

Hello, My husband and I are newbies here and we are currently ordering solar equipment for a small solar array at our off-grid homestead. M…

Started by Travis & Lorri Swam

8 Sep 27
Reply by Travis & Lorri Swam

Low Draw 12 Volt LED Lights

A few months back our local Princess Auto store ( sort of the Canadian equivalent to Harbor Freight) had a sale on 12 volt LED license plat…

Started by Carl Stevenson

3 Sep 15
Reply by Carl Stevenson

Diode Question

I have some DM145 panels and decided that I'd like to have some replacement diodes on hand. I took the cover off the junction box on the ba…

Started by Joe Jones

3 Sep 15
Reply by Joe Jones

Grid Tie Inverter

Can a grid tie inverter be ran off a battery bank to off set your power use at night?

Started by dave

5 Aug 28
Reply by Phil Barnes-Roberts WA6DZS

My One DM Panel Keeps Blowing 30 amp Fuse

So, I have one DM panel rated at just over 8 amp wired to a on/off switch. From the switch it goes to an inline 30 amp fuse then onto the c…

Started by ladyhawk

5 Aug 26
Reply by Phil Barnes-Roberts WA6DZS


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