Hello everyone today I'm going to show you how to make super bright light USB power reading lamp from low cost 12 volts led,made in china, light bulb. Now you can use your power bank to supply super bright reading lamp even if power outage.
This modified led bulb can use wide supply voltage from 3.6 to 12 volts without any problem.
The bulb consumes only 400 mAh/hour so your room will not go into the dark up to 20 hours for 10000 mah USB power bank!!!
You can use computer USB to supply this modified led bulb directly because it consumes only 400 mAh while computer USB can supply up to 500 mAh continuously.

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