HOW TO MAKE 26000 MAH POWER BANK ?
by HOBBY TO MAKE in Circuits > Mobile
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HOW TO MAKE 26000 MAH POWER BANK ?
![HOW TO MAKE 26000 mah POWER BANK FOR SMARTPHONE ? =470 RUPEES](/proxy/?url=https://content.instructables.com/FCA/77ZO/IMMBC1MR/FCA77ZOIMMBC1MR.jpg&filename=HOW TO MAKE 26000 mah POWER BANK FOR SMARTPHONE ? =470 RUPEES)
HELLO MY FELLOW !
I AM WAQAR
HERE I WILL SHOW YOU HOW TO CREATE 26000 MAH POWER BANK FOR YOUR SMARTPHONE ATE HOME FOR VERY CHEAP.
+WHY ?
Because it is the cheapest way to get
+WHEN ?
when you want to charge your phone anywhere & any-time .
REQUIREMENTS
![vlcsnap-error834.png](/proxy/?url=https://content.instructables.com/FCN/OWXN/IMKVXJ0Z/FCNOWXNIMKVXJ0Z.png&filename=vlcsnap-error834.png)
-12... (18650) CELLS 2200 MAH EACH.(from 2-4 old dead laptop batteries from laptop repair shop) about 4-5$
-A EMPTY ROOM FRESHENER BOTTLE. free
-A CAR CHARGER. about 3$
-SOME WIRES. free
-MALE & FEMALE DC CONNECTORS(CCTV ARE CHEAP AND BEST). less then 1$
GET THE CELLS OUT FROM DEAD BATTERIES
![FLMZ4MTIMKVY5B6.png](/proxy/?url=https://content.instructables.com/F1I/3ETJ/IMKVYBVV/F1I3ETJIMKVYBVV.png&filename=FLMZ4MTIMKVY5B6.png)
BUY OR HARVEST 12 GOOD (18650) LAPTOP CELLS FROM OLD DEAD BATTERIES
USE SOME TOOLS TO OPEN THE BATTERY BOX WITHOUT DAMAGING BATTERIES
1 laptop batteries contains 6 cells but all are not good you have find the good ones by voltage check or capacity test of each 18650 cells
(for harvesting watch my videos ON YOUTUBE = WAQAR ALAM )
JOIN OR SOLDER 4-4 CELLS IN PARALLEL CONNECTION
![vlcsnap-error814.png](/proxy/?url=https://content.instructables.com/FRX/ALFT/IMMBCD5K/FRXALFTIMMBCD5K.png&filename=vlcsnap-error814.png)
AFTER FINDING THE 12 GOOD CELLS
JOIN WITH WIRES OR SOLDER 4 CELLS IN PARALLEL CONNECTION AND MAKE 3 GROUPS (3*1 group of 4 cells in parallel)
JOIN 3 GROUPS IN SERIES CONNECTION
![vlcsnap-error471.png](/proxy/?url=https://content.instructables.com/FX4/4U46/IMMBCX1N/FX44U46IMMBCX1N.png&filename=vlcsnap-error471.png)
NOW CONNECT 3 GROUPS (4-4 CELLS EACH) IN SERIES CONNECTION .
(it will show 9-12 volts after connecting)
CONNECT NEGATIVE WIRE
![vlcsnap-error312.png](/proxy/?url=https://content.instructables.com/FDJ/W4LA/IMMBCXBB/FDJW4LAIMMBCXBB.png&filename=vlcsnap-error312.png)
CONNECT LONG WIRE TO NEGATIVE END OF BATTERY PACK USE BLUE OR BLACK WIRE
TAPE THE FULL PACK TIGHTLY
![vlcsnap-error781.png](/proxy/?url=https://content.instructables.com/FIQ/AAKB/IMMBCXKV/FIQAAKBIMMBCXKV.png&filename=vlcsnap-error781.png)
JUST TAPE THE FULL PACK TIGHTLY BY PUTTING NEGATIVE WIRE INSIDE
USE SOME DESIGNER TAPE
![vlcsnap-error023.png](/proxy/?url=https://content.instructables.com/FOY/DC6Y/IMMBCZIY/FOYDC6YIMMBCZIY.png&filename=vlcsnap-error023.png)
TAPE TIGHTLY AND MAKE IT LIKE ROD SHAPE
I AM USING A DESIGNER TAPE IT WILL LOOK GOOD WITH THIS
TAKE OUT ROOM FRESHNER BOTTLE
![vlcsnap-error394.png](/proxy/?url=https://content.instructables.com/FX0/BV9H/IMMBCZS0/FX0BV9HIMMBCZS0.png&filename=vlcsnap-error394.png)
GET YOUR ROOM FRESHENER BOTTLE AND CUT OPEN ITS UPPER PART
PLEASE SMOOTH THE EDGES AFTER CUTTING FOR SAFETY.
PUT THE BATTERY INSIDE BOTTLE
![vlcsnap-error439.png](/proxy/?url=https://content.instructables.com/F3G/DRU1/IMMBD19Z/F3GDRU1IMMBD19Z.png&filename=vlcsnap-error439.png)
JUST PUT THE BATTERY PACK INSIDE BOTTLE FACING POSITIVE POINT UPWARD
AND ATTACH RED WIRE TO THE POSITIVE TERMINAL OF BATTERY PACK.
CONNECT DC CONNECTORS
![vlcsnap-error731.png](/proxy/?url=https://content.instructables.com/FOU/MTAI/IMMBD456/FOUMTAIIMMBD456.png&filename=vlcsnap-error731.png)
JUST CONNECT DC MALE CONNECTOR TO THE BATTERY PACK
AND FEMALE CONNECTOR TO THE CAR CHARGER
IMPORTANT:
please make sure to connect positive to positive and negative to negative
use multimeter to double check the connection
FINALLY CONNECT
![vlcsnap-error416.png](/proxy/?url=https://content.instructables.com/FOT/152N/IMMBD6RH/FOT152NIMMBD6RH.png&filename=vlcsnap-error416.png)
JUST CONNECT USB CABLE TO CAR CHARGER
AND CONNECT THE CAR CHARGER TO THE BATTERY PACK.
ENJOY CHARGING.
..................................................................
IF YOU HAVE ANY QUESTIONS
JUST COMMENT
HOW TO CHARGE POWER BANK ?
![IMG_20160405_153959.jpg](/proxy/?url=https://content.instructables.com/F3Q/OSTK/IMMBDDDU/F3QOSTKIMMBDDDU.jpg&filename=IMG_20160405_153959.jpg)
THE MOST IMPORTANT QUESTION IS THIS
i just use imax b6 ac charger to charge this power bank
BUT I FOUND THE CHEAPEST WAY TO CHARGE
YOU JUST NEED A 12 VOLT POWER ADAPTOR OF OLD WIFI ROUTER OR ANY OTHER
+ HOW TO CHARGE WITH ADAPTOR ?
just unplug car charger from power bank and connect the adaptor to battery pack you are done
but don't charge for more than 3 hours
and just keep checking voltage while charging until it reaches 12 volt .
...................................thank you...................................
warning:
lithium batteries are explosive
please do it on your own risk and responsibility ..