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07/31/2018 / By Edsel Cook
Rechargeable batteries are a pricey but great convenience that becomes invaluable when you are away from the power grid or when the grid goes down. To get the most out of batteries, you will need a charger that can get power from the sun. An article on The Modern Survival Blog provides the lowdown on what a good solar-powered battery charger is like.
Before shopping for a new charger, take inventory of your existing stock of rechargeable batteries. Make sure that your charger will be able to replenish all of your current batteries – AA, AAA, C, and D alike.
In fact, get a charger that can serve as many types of batteries as possible. That way, you will be able to recharge any different or uncommon battery that you happen to come across in the future.
Some solar battery chargers even have at least one Universal Serial Bus (USB) port. If you use many USB devices, a charger that can replenish those devices’ power would be very useful. (Related: Old chemistry may be the secret to new batteries for storing renewable energy.)
The newest chargers also have internal meter gauges that show you the remaining energy in the battery. For some people, it is psychologically reassuring to see the meter slowly but surely tick upwards.
Some gauges display additional information aside from the charge status. They will show you the strength of the sunlight hitting the solar panel, how much energy the panels are currently putting out, and the amount of time a battery will take before it is completely topped up.
The position of the solar panels on some of the chargers can also be adjusted. Getting the right angle to soak up the sunlight will improve the efficiency of the photovoltaic cells and speed up the charging process. The more advanced gauges let you know the strength of the light, which makes it easier to figure out the optimal angle.
Finally, certain battery chargers feature blocking diodes that keep electricity from leaking out of charged batteries over time. These particular chargers can serve as long-term storage for older rechargeable batteries that drain themselves even when they are not being used.
Again, pick a solar-powered charger that can serve your immediate needs plus any future requirements that you expect to encounter. It would also be a good time to get fresh rechargeable batteries to replace aging, increasingly inefficient ones.
Once you have decided on a particular model, get at least two units. That way, you can alternate between each charger to extend their individual service lives. You will also have a spare handy if one unit breaks down or somehow gets lost. And if you happen to be really handy with electronics, you can salvage parts from the broken one to use on other devices.
If you live in an area that is off-grid or has lost access to the main power grid, you can offer recharging services to other people who did not have the foresight to get themselves solar chargers. Do not lend your chargers out, though, unless you trust the other person completely.
On a related note, it is perfectly possible to build your very own solar-powered battery charger. It will require picking up electrician skills.
Learn to expand and improve your emergency supplies at Preparedness.news.
Tagged Under: battery charger, bugout, Gear, green energy, green living, off grid, preparedness, prepper, prepping, rechargeable batteries, renewable energy, SHTF, solar energy, solar panels, solar power, survival, survivalist, sustainable living
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