Battery Charging DC Generator – Variable Speed – Gasoline



This is a 48Vdc battery charging DC generator. The engine is a Honda 8 HP. The alternator is a 24 pole permanent magnet generator. The engine speed is electronically controlled to vary the speed to regulate the DC voltage and current limit the output to 75A. The generator can supply 4200 Watts of charging. I have it connected to a load bank and a 48Vdc, 200 A/hr battery string.

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12V Lead Acid Battery Charger(Homemade)



I took a MOT and carefully stripped out the 2000V Secondary and replaced it with a low voltage high current winding of 18-20T or 12ga wire. New fully rectified DC output is 15.8VDC. An electrolytic capacitor of 1500uf was also added for smoothing purposes(Not much smoothing is required for charging lead acid batteries). Also includes a voltage monitoring circuit which allows you to know when the voltage of the battery being charged has reached completion. A green LED will be brightly illuminated to let you know to unplug the charger.

Schematic Here:
http://tinypic.com/m/k0oy94/4

The circuit in the schematic above will connect to this automatic charging cut-off circuit, then to the battery to be charged:

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How to Use a Battery, 12 Volt Inverter, and Charger



Demonstration on how to connect a 12 volt power inverter to a deep cycle marine battery and how to connect a charger to the battery using a smart charger.

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How to repair a Dell Laptop / Battery Charging power problem with an AC/DC adapter.



I fixed a Dell Laptop that refused to charge the battery and I was using a genuine Dell AC/DC Power adapter that had a broken signal cable. It took some careful adjustments to the DC jack in the back of the laptop. In addition there is a signal cable that easily gets severed over time in the end of the DC power cable. By making these two repairs, the laptop works perfectly, the power cord stays in firmly, and the battery charges without problem.

However, this works if it is a hardware problem. If your in Windows and the device driver refuses to acknowledge the charging state of your battery, then I recommend Nick’s solution here: https://www.youtube.com/watch?v=Lx62t6qZ34U

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Duratrax Onyx 200 AC/DC Battery charger Review



A review of the Onyx 200 AC/DC sport Charger. It’s a great little charger and is perfect for people who are just entering the hobby. I would definitely recommend it.

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Homemade 12V to 48V DC-DC Converter Battery Charger for Electric Scooter/Bike



This is a PC board I made so I can charge a 48V seal lead acid battery from any 12VDC source. This design is simple and uses an off-the-shelf audio crossover coil. It charges my battery from a 12V source that gets switched on once the sun goes down. In the morning my batteries are ready to go and it didn’t cost me anything. Energy from the sun. However I can use with and 12V source that can provide 2-3 amps of power. There is a special circuit that will stop the SMPS once the battery level low around 11 volts. Next day the sun comes up and charges the 12V battery.

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Homemade 6V / 2.5 Amp Power Supply/Battery Charger



If your looking for a HIGHLY efficient (6VDC 2.5A / 6VAC 3.0A) power supply or 6V lead acid battery charger, then look no further. This power supply/charger is made using a 120V (MOT) microwave oven transformer, by performing the modifications shown in this video. 120V transformer current at idle(NO LOAD) only draws 30mA, and using a full 2.5A load, 200mA. NO heating issues of the core whatsoever. As usual, always be very careful when working with 120VAC/240VAC projects!

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Simple Adjustable Constant Current Battery Charger



If your looking for a simple yet effective circuit for charging your NiCd/NiMh battery packs or individual batteries at a set rate, then this circuit is what you looking for.

Circuit here:

http://tinypic.com/m/k0oxzm/4

Thanks For Watching!

***If you enjoy watching my videos, please show your support by SUBSCRIBING, POSTING LINKS to my videos on other websites & blogs, rating a “THUMBS UP”, and watching my video playlists. Doing so helps to ensure that many more videos will be released in the future. (Views are essential to ensure this channel remains in an active state)***

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Lipo Battery Charging and Balancing



Proper care and charging of LiPo batteries is important. This video shows how to charge a typical RC Car LiPo Battery.
An 11.1V, 3 Cell Lipo battery is seen being charged and balanced.
This video was provided by www.inspectorbots.com. We offer a line of rugged mult-iuse robotic development platforms. Please visit us at http://www.inspectorbots.com
or write info@inspectorbots.com for more information.

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How To Charge Multiple Car Batteries w/ EXO’s XS Power Battery Charger & DUAL Copper Bus Bar Install



User Request: This Is How Charge My Batteries

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http://www.youtube.com/EXOabigdeal

Subwoofer Demo Coming Up!

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