DIY Mini Tesla Powerwall

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This mini tesla powerwall can be used to charge you laptop or phone several times. After the video you will know how to build one yourself.

7 in 1 OLED Meter:
http://www.aliexpress.com/store/product/33v-10A-7in1-OLED-Multifunction-Tester-Voltage-current-Time-temperature-capacity-voltmeter-Ammeter-electrical-meter-white/923042_32570142617.html
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