how to make USB rechargeable 9V li-ion battery

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In this video i will show you how make a simple 9V USB Rechargeable li-ion Battery using the old drained 9v battery.
Also check out my latest video : • How I Made My Own Blue...
Check out my instructables page for Circuit diagram :
Link: www.instructables.com/id/How-...
Materials Used :
1. DC to DC Boost Converter
2. TP4056 Li-ion Charging module
3. Old Drained 9V Battery
4. 3.7V 500mAH Li-ion Battery Model KP-402535 / You can also use different Model make sure it fits your battery case
5. Latching ON/OFF Push Button Switch
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⚠️ Disclaimer: We are not responsible for any kind of damage or loss, do everything at your own risk.
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🎵 Music in this Video:-
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Track: Stargaze - Declan DP [Audio Library Release]
Music provided by Audio Library Plus
Watch: • Stargaze - Declan DP |...
Free Download / Stream: alplus.io/Stargaze
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Video Tags:
#Battery #How to make #9V battery #how to make 9v rechargeable battery
#USB Rechargeable 9v battery #Tech rally #techrally

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3 июл 2020

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Комментарии : 38

@equipment_28 3 года назад

WoW 👍🏻

@aadhikavin2738 3 года назад

👏👌 super ji.

@gayathris5765 3 года назад

NICE JOB👍

@user-du9zl5qj4e Год назад

بسیار عالی 👍

@notmegamanny9606 2 года назад

first i thought this was a scam but this is awesome good work

@TechRallyofficial 2 года назад

Thank you 😊

@John-fn6jd 2 года назад

awesome. very thorough in your demonstration. thank you! Subscribed ! =)

@TechRallyofficial 2 года назад

Thank you 😊

@sridharkrishnappanavanerth3388 10 месяцев назад

👍Awesome Video Subscribed! 👍

@TechRallyofficial 10 месяцев назад

Thank you 😊

@medrianjloreprado6463 3 года назад

Nice!

@gadgetsglamour269 3 года назад

Good Good Gooodd.. Too Good

@TechRallyofficial 3 года назад

Thank you 😊

@ManojKumar-rb9wh 3 года назад

Nice

@jorgejnr7902 2 года назад

Well done bro.

@TechRallyofficial 2 года назад

Thank you 😊

@maryhinge128 2 года назад

very tidy

@dedykillers Год назад

Just curious is it work if we charged it via old type 9v battery charger like Energizer compact charger, Not through usb port?

@TechRallyofficial Год назад

No it won't work, also will damage the battery and converter module..

@xpertgabiyt3715 3 года назад

I would set the voltage all the way up 😂

@TechRallyofficial 3 года назад

😂

@kvvnng 2 года назад

TP4056 already has a step voltage feature, why do you use the DC to DC converter?

@TechRallyofficial 2 года назад

There is a TP4056 module available with stepup voltage feature but the one i used doesn't have it... Thanks 😀

@kvvnng 2 года назад

@@TechRallyofficial I see, thanks :)

@kvvnng 2 года назад

@@TechRallyofficial Do you think the charging board can charge 2 batteries in parallel?

@TechRallyofficial 2 года назад

Yes, but you need to use same capacity and same model battery..

@rescerolse5558 2 года назад

did all lipo battrey have low voktage protection already ??

@TechRallyofficial 2 года назад

If you use the BMS it will have the over discharge protection

@rescerolse5558 2 года назад

@@TechRallyofficial wait the step up and charge module already have auto stop charging right?? and lipo already build up with cut off low voltage??

@TechRallyofficial 2 года назад

TP4056 module has auto stop charging (technically its over charge protection) but the battery should not be left in charge for longer time it will cause swelling or damaged. Most of the 3.7v lipo battery comes with over discharge protection if your battery has a small PCB than it has.

@tomstdenis 2 года назад

a dab of hot glue over the pot on the boost board will help keep it set at the right voltage even with vibrations...

@TechRallyofficial 2 года назад

Good idea 💡 , Thanks for watching 😊

@kucharlapatikrishnamraju4802 3 года назад

Backup how many hours tell me

@TechRallyofficial 3 года назад

Backup depends on your Application i use it for RC car remote which gives me approximately 9 hours of backup. Which is a week useage..

@AllSpace 2 года назад

easier to buy one

@TechRallyofficial 2 года назад

Everything is easy to buy, But nothing can give the satisfaction doing yourself.. Thanks for watching 😊

@instavideo-hd123 2 года назад

How to Make USB Rechargeable 9V PP3 should stabilize at 9.6 volt according to the standard of LITHIUM 9 5:57 for more batteries visit us in ://en.wikipedia.org/wiki/Nine-volt_battery