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How To Build A Mini Power Bank With Microphone Battery - Education - Nairaland

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How To Build A Mini Power Bank With Microphone Battery by GbolahanAde2002: 8:52am On Sep 03, 2020
The materials you need; 1. Voltage regulator(IC 7809)
2. Two 9v battery
3. Bottle cover
4. USB port...... read more for the steps @ https://m.hub.opera.com/system/preview?aid=749fb4d1827b437ab9e220a0c6e8991c

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Re: How To Build A Mini Power Bank With Microphone Battery by sinkhole: 9:00am On Sep 03, 2020
GbolahanAde2002:
The materials you need;
1. Voltage regulator(IC 7809)

2. Two 9v battery

3. Bottle cover

4. USB port...... read more for the steps @
https://m.hub.opera.com/system/preview?aid=749fb4d1827b437ab9e220a0c6e8991c
good job, unlike those stupid people that will be using onion to charge phone on YouTube sad
But is 7809 not too much, why not 7805?
Re: How To Build A Mini Power Bank With Microphone Battery by philpelwhiz(m): 10:50am On Sep 03, 2020
OP.. Link showing blank page Abeg, complete the steps it here
Re: How To Build A Mini Power Bank With Microphone Battery by omophunky(m): 2:34pm On Sep 03, 2020
The battery will die in no time... because the 7809 will be getting hot.

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Re: How To Build A Mini Power Bank With Microphone Battery by Nobody: 3:49pm On Sep 03, 2020
After this... I will teach you people how to charge your phone's with cocoyam.

But I won't put in a link like OP here.
Re: How To Build A Mini Power Bank With Microphone Battery by sinkhole: 5:35pm On Sep 03, 2020
omophunky:
The battery will die in no time... because the 7809 will be getting hot.
Any remedy?
Re: How To Build A Mini Power Bank With Microphone Battery by omophunky(m): 5:54pm On Sep 03, 2020
sinkhole:
Any remedy?
The best is to use car charger.
Re: How To Build A Mini Power Bank With Microphone Battery by sinkhole: 5:57pm On Sep 03, 2020
omophunky:
The best is to use car charger.
but that will take the fun out of the whole DIY
Re: How To Build A Mini Power Bank With Microphone Battery by omophunky(m): 6:02pm On Sep 03, 2020
sinkhole:
but that will take the fun out of the whole DIY
Ok but u can modify the car charger to work with the battery... just connect the battery to the car charger input voltage that's all and see it charges.

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