make power bank from old cell phone batteries
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- Опубликовано: 26 авг 2024
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This will charged of 102% before the explodes
Nice job
Intrigued by this concept since seeing a few examples. I get wiring positives and negatives on the batteries and connecting to ports etc, but how do you charge it? Guessing the middle contact on the batteries are key but can someone advise so i dont end up building a one time use powerbank i cant recharge lol
the middle connection is for temperature reading. this powerbank charges via micro usb on the green main board
Professional dumbass here (take my words with a pallet full of salt)
you can take an old phone battery (3.7v-4.2v battery) and you can buy a power bank circuit that uses 3.7v battery.
Now with a multimeter find the positive and negative sides of the battery. I think the power bank circuit has symbols on the board indicating the positive and negative sides.
It's just as simple as connecting the positive to positive and negative to negative.
Tho this power bank is very bad, the battery is old and slow to charge and the power bank circuit could be bad and not charge your phone fast enough.
Try to find a power bank circuit that can provide 2.4A or 2A 5V USB output. As for the charging, the power bank circuit will always charge the battery in the same connections (5v to 4.2v)
Thanks for the responses folks👍 You've given me some ideas 💡
thank god he using charging module
This seems to be a tutorial on how to make a battery pillow.
Good work 👍💖
800mah*4 battery=3200 mah😂
1000mah*
It had 5 batteries so 800*5 = 4000mah
@@Seanmsagent._ no it's 5000 then
is it safe?
5000mAh
Good
Nice😮😮😮
Umang class
(Crazy Class)
Translated
Charging a phone with a phone
phone ko charge hone me kitna time lagega
Ravindra shingle
🎉
THANKS FOR ....116 subscribers........🥰🥰🥰
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jo chiz aapne use ki hai uska naam to bataiye
How much mAh??
Power Bank module nahi mil Raha fast charging ka
How to make a bomb
😂😂😂
No it will not blast
not when u find out those batteries are explosive@@tritongaming6311
😂😂😂
Wowo
hi. i hv connected these batteries at 2 quantities connected with parellel to my old powerbank. unfortunately, their bms'es probably triggered over discharge protection when I'm trying to charge my phone. checked with multimeter voltage gives 4.2v which is fully charged if I'm not mistaken. connected the phone and powerbank goes off instantly. i had to connect powerbank charger to activate the bms again.
it did not happen tho when the device I'm trying to charge consume current under 0.6 amps. did it happen on your end?
first of all I DON'T RECOMMEND connecting different batteries in parallel, anyway meaby the original battery bms is bad so try removing the battery bms and connect the battery directly to the power bank module.
This is
TRY KAR LIYA HAI BATTERY PHUL JATA HAI BHAI 😢😢😢
This one battery is 900 MaH so this power bank has 4500MaH, not even enough to charge my 3000 MaH bc the batteries are almost dead so
But circuit nhi he mera paas 😢
Why rub out the mah on the battrey cos yav still left the amp hour which is still easy 2 work it out
દરેક બેટરી માં પ્રોટેક્શન સર્કિટ નાખેલ હોય છે માટે બેકઅપ લેવા માં કે ચારજીનગ માં સમય બગડશે😮😢😢😢😢
मोबाइल चार्ज नही होगा क्युकी बैट्री 3.7 v output करता है
Arey Bhai phele Gyan lele aur comment kar 😂😂
Song name??
Paris - Else
new battries not olded
Bro, how many ampere is there??
bhai kitna me doge bechoge
.
Disk ya plate konsi i thi🤔
Powebank module kehte h isko
Sh te hi
अपना नंबर bhejo