DIY Power Bank from Old Laptop Batteries 18650

Learn How you can make a Power Bank From your Old Laptop Batteries. We Will Make a Better Power bank With Recycled Old Laptop Battery which will have Two USB Ports for Output So you Can Double your charging speed (Current) of your power bank . If Want a Perfect Power Bank from the old 18650 Batteries this is for you.\r
With This Dual USB input its possible to charge power bank from two USB chargers at 1.6 amperes, in half an hour from 0% to 100%\r
Passthrough charging let you charge your device connected to power bank while charging the power bank itself. its one of the best diy cell phone charger that you can make.\r
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1) 18650 Cells\r
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2) Power Bank 2600mah\r
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Nimbalkar/