Opteka BP-SC8000 Ultra High Capacity (6000mAh) Backup Battery Solar Charger Unboxing

Follow-up review will be posted after I put it to good use.

Product details:
Will fully charge your mobile or tablet device using solar or USB Power
Ultra high capacity 6000mAh internal battery will charge all of your devices
Dual EcoPanel solar panels that charge 40% faster than standard panels
LCD power level display
USB input, 2 USB output, 1 micro USB output

Update 10/27/2018:
This battery is still holding its own. I’m still able to get about 2 charges out of it for my phone. The solar panel does charge the battery up, but it takes a good full day of light to charge it back up. Which in itself is a challenge to keep it out of direct sunlight to avoid overheating the unit.


(:Review:) Solar USB Battery Bank ~5000mAh~ Weather Resistant

Get it on amazon: http://www.amazon.com/dp/B01DEN66MK/?tag=solarbank-20
Get a Better One:http://www.amazon.com/dp/B07DW5LK2Z/?tag=solarbank-20
Reviewed Here: https://youtu.be/cgC0qKeI81M
Get A REAL Solar Charger: http://www.amazon.com/dp/B018QOYF6G/?tag=solarbank-20

~~Video Details~~
If You’re looking for a nice compact solar battery bank you can take backpacking, this one will do nicely. However, a solar cell of this size is simply not powerful enough to be a full solar charger. It will give you one full charge plus 20-60min of phone power a day. The Weather-Proofness is a bit inadequate but will protect somewhat.

I put it to an honest test and have concluded that it performs well for such a small cell.

Most people don’t fully understand that getting useable power for charging out of a single solar cell is no small task. These cells put out maybe a watt and a half on a good day. I tested by putting in direct sun(angled toward the sun) at a point where the sun would clear an obstruction at exactly the same time every day and hit the panel with full sun. total sun time per day was approx 6hrs. After 4 days, I was up to the second power bar. I was originally unimpressed by this.

Then I began depleting back down to 0 power and the point that it would not turn on and charge anything unless pointed directly at the sun. It took over 3 hrs from the second power level, charging a Samsung Galaxy S5 and an Earson BT Speaker both connected streaming netflix.

I further tested by trying to power a phone that would not turn on with the charger that would not stay on unless pointed directly at the sun. I was actually able to make a phone call.

As Far as the Weather Proofness; it is not. While there are rubber flaps to shed water, they don’t seal completely and there are large holed behind the rubber bumpers. See video for more details.

So the conclusion is: This thing is worth taking on a backpacking trip for light daily or emergency use and works well as a Battery Bank, but is not a full blown solar charger. If you want full charging capability you want one of these:

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Top 5 Solar Battery Tender

Hello, this is samy and I’ve made a list of Top 5 battery tender,
Best chargers
Battery Tender 021-1164 10W Solar Charger
Built-in 3-step microcontroller for precise charging. Waterproof and sparkproof for outdoor installations Easy, do-it-yourself installation.
Built-in temperature compensation sensor 12V nominal voltage 540 mAmps.
price 80 dollars

Schumacher SP 200 Solar Battery Maintainer
It’s environmentally safe and No need for electricity to operate with the Amorphous technology allows charging on the cloudy days Rated for indoor and outdoor use. Complete with battery clamps and 12 Volt plug. price 28 dollars

Sunforce 50 022 5 Watt Solar Battery Trickle Charger
Featured sturdy and durable frame made of aluminum with amorphous solar cells; that Includes 12V DC plug, battery clamps and mounting hardware for easy installation. it’s Completely weatherproof for added durability.
Maintains and trickle charges 12 Volt batteries for your car, boat, RV, electric fence, deer feeder and more. price 31 dollars

Sunforce 500 13 Motorcycle and Powersports Solar Battery Charger
Helps charge 12 Voltes batteries with the power of the sun. Works with motorcycles, personal water crafts, snowmobiles and tractors
Amorphous panel works in all daylight conditions and is weatherproof for added durability. Built-in overcharge/discharge protection. price 23 dollars

ALLPOWERS New 18 V 5 Watt Portable charger
Solar Car Boat Power and Solar Panel Battery Charger Maintainer for Automobile Motorcycle Tractor Boat Batteries
Mono-crystalline silicon panel works in all daylight conditions and is
Built-in blocking diode to prevent reverse discharge. price 22 dollars
battery tender reviews
solar battery tender


Nikola Tesla 12-Volt 4-Battery charger circuit impossible? DIY

Nikola Tesla 12-Volt 4-Battery charger circuit impossible? Nikola Tesla demonstrates this with his “4-battery switch” system where he chooses to use four identical batteries to implement this circuit. The current flowing through the bulb can be arranged to be a charging current for another battery. It can both light the bulb and charge another battery without needing any extra current. And now, the newly charged battery 2 lights the bulb and charges up battery 3 again. Seem impossible? Well it isn’t!

If you like my Demonstration-Experiment click the “like” Button. SUBSCRIBE► https://www.youtube.com/user/GIORGOSXANIOS?sub_confirmation=1 SHARE with your Friends… Feel free to post your Positive or Negative comment! SUPPORT my “work” DONATE for materials & equipments – Magnets & Magnet Wires, Lab TOOLS & any other building supplies, variable Power Supply ect. This would HELP my Research. Stay Tuned and Enjoy! https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=GZEK5PYGW9D38&lc=GR&item_name=GEORGE%20CHANIOTAKIS God Bless Thanks-ELEMAN.

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Off-grid solar systems: Battery charging and discharging at the same time. Tips/advice.

Always try to get your battery bank fully charged every day (100% SOC). Here is a video that shows real world partial off-grid solar power battery bank charging and discharging tips/advice.


how to make Portable charger || power bank || home made projects ||

hello friends….i have made a portable charger.

some links
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A battery charger, or recharger,[1][2] is a device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it.

The charging protocol (how much voltage or current for how long, and what to do when charging is complete, for instance) depends on the size and type of the battery being charged. Some battery types have high tolerance for overcharging (i.e., continued charging after the battery has been fully charged) and can be recharged by connection to a constant voltage source or a constant current source, depending on battery type. Simple chargers of this type must be manually disconnected at the end of the charge cycle, and some battery types absolutely require, or may use a timer to cut off charging current at some fixed time, approximately when charging is complete. Other battery types cannot withstand over-charging, being damaged (reduced capacity, reduced lifetime) or overheating or even exploding. The charger may have temperature or voltage sensing circuits and a microprocessor controller to safely adjust the charging current and voltage, determine the state of charge, and cut off at the end of charge.

Contents [hide]
1 C-rates
2 Types of battery chargers
2.1 Simple chargers
2.2 Fast chargers
2.3 Inductive chargers
2.4 Intelligent chargers
2.5 Motion-powered charger
2.6 Pulse chargers
2.7 Solar chargers
2.8 Timer-based(HI) chargers
2.9 Trickle chargers
2.10 Universal battery charger–analyzers
2.11 USB-based chargers
2.11.1 Powerbank
2.11.2 Compatibility
3 Applications
3.1 Battery charger for vehicles
3.2 Electric vehicle batteries
3.3 Mobile phone charger
3.4 Stationary battery plants
3.5 Use in experiments
4 Prolonging battery life

Fast chargers[edited]
Fast chargers make use of control circuitry to rapidly charge the batteries without damaging any of the cells in the battery. The control circuitry can be built into the battery (generally for each cell) or in the external charging unit, or split between both. Most such chargers have a cooling fan to help keep the temperature of the cells at safe levels. Most are also capable of acting as standard overnight chargers if used with standard NiMH cells that do not have the special control circuitry.

all about DIY projects

Please watch: “#remotetester #circuitgallery #pradeepsharma How to make remote tester||how to make||DIY electronics”



Folding 36v solar electric bicycle battery charging system 4

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$5 solar battery charger (dollar store project)

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DIY Solar AA Battery Charger Build

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Know someone having a wedding in north west North Carolina? Wedding Videographer https://roushvideoproduction.com/

DIY solar charger, diy solar battery charger, solar aa battery charger.


Solar Battery Charger + Solar Dancing Monkey Experiment.

I just happened to have a 1.5 watt solar battery charger.
I also happened to have a Dollar Tree solar dancing monkey.
Wonder what would happen if the monkey with it’s tiny solar panel
was hooked up to a much larger solar panel?
How fast would that monkey dance?
What makes the money dance?
So I performed an experiment.
Just some science…
Eat sh*t Mr. Wizard…
Comments, suggestions, questions, or advice is welcomed.
Just leave a comment or message, I do answer. 🙂

Stuff I’ve bought off of Amazon.com

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