http://www.EnergyBrainiac.com – How To DIY Solar Battery Charger
The DIY Solar Charger | Popular Science
Jul 6, 2007 … The DIY Solar Charger. Keep your gadgets powered even when the grid … and build frames to hold the DC charger controller and the battery. …DIY: Solar Powered Battery Rechargers
In their latest catalog, several solar battery chargers are offered but one is particularly useful. The small Multi-volt Output Solar Panel (Cat. …Get Prepared Stuff – DIY Solar AA Battery Charger”
Most of the AA solar battery chargers available wouldn’t charge two AA 2000 mAh batteries in 4 days let alone 1 day of 4-5 hours of sun.Solar Battery Charging – Solar
Jul 30, 2007 … One of the simplest DIY solar projects is to make your own solar battery charger using a small Photovoltaic (PV) solar panel. …DIY Solar Battery Charger – Solar Energy How-to-Guide Directoy
DIY Solar Battery charger. Build your own solar battery charger for all of your electronic gadgets.Design Solar-Powered Computing Device – Hacked Gadgets – DIY Tech Blog
DIY projects describing how to build electronic projects. … Solar Battery Chargers – Cheap Solar Battery Chargers and Battery Charger ..
How To DIY Solar Battery Charger
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If you connect a solar panel directly to a car battery, it will eventually overcharge the battery and damage it. That’s why you need to use a solar charge controller. This is my own design using the latest microcontroller and MOSFET circuitry. It consumes less than 1mA (that’s very little) and has a neat little blue LED that tells you the battery voltage. It can also be connected in various different configurations so you can do clever things like charge two batteries from one solar panel. You can get the PWM5 from www.256.co.uk
After being on our new homestead for a couple months it was becoming obvious that the built in trickle charger installed in our RV wasn’t keeping up with our battery consumption. Even when running our Honda EU3000i Handi generator for hours each day it simply wasn’t getting the battery charged. A little research turned up that the trickle was only 1 amp. Since we rely on our deep cycle battery for nearly everything in the RV and a dead battery is a major problem we needed more juice. Solar charging and a larger battery bank are in our future, but one thing at a time.
After hours of research and talking with a few battery charger gurus we decided on this 15 amp Schumacher Ship ‘N’ Shore Rapid Battery Charger as a great value, well suited to our needs and a good fit for charging our RV deep cycle battery. It features an algorithm computer control that determines the proper charing phase based on capacity, battery type and state of charge. So when the voltage is low it knows to give it full power, know as bulk charging, but when the voltage nears maximum, it slows down to absorb to get the maximum storage from the battery and then once fully charge it keeps it there via a float stage. This is very similar to the top solar charge controllers, but at a fraction of the cost.
Total cost from the charger was around $50 from Amazon and it’s a very straightforward design. We’re really benefiting from it as our daily incidental generator usage is now more than enough to keep our battery at or near full charge in stead of at or near full discharge as was the case previously. 15 amps is more than enough to top of our battery in just an hour or two and with a algorithm control we don’t need to worry about overcharging.
This is an interim solution for us until we are able to invest in a solar setup and proper battery bank. Opting for a $50 solution was more appropriate than trying to finagle a more costly expandable solar solution when we don’t have all the details on our solar system yet.
If you’re needing a charger to keep your RV, boat, car or truck charged this one is affordable, simple to operate and provides good charging results. Some reviews complained about the short cord, but we just used an extension cord. Not a big problem. Others said the computer can get a little confused and if you’re getting odd charging, just unplug and plug back in. We’ve done that a couple times just to be sure, but overall we haven’t had any of those issues.
Hopefully this review of the Schumacher Ship N Shore 15 amp Rapid charger has been helpful!
The exact model we purchased is the “Schumacher SSC-1500A-CA Ship ‘N’ Shore 15 Amp SpeedCharge Charger”: http://amzn.to/1O4UstT
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