Introduction: HOW TO MAKE 26000 MAH POWER BANK ?
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 .
Step 1: REQUIREMENTS
-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$
Step 2: GET THE CELLS OUT FROM DEAD BATTERIES
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 )
Step 3: JOIN OR SOLDER 4-4 CELLS IN PARALLEL CONNECTION
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)
Step 4: JOIN 3 GROUPS IN SERIES CONNECTION
NOW CONNECT 3 GROUPS (4-4 CELLS EACH) IN SERIES CONNECTION .
(it will show 9-12 volts after connecting)
Step 5: CONNECT NEGATIVE WIRE
CONNECT LONG WIRE TO NEGATIVE END OF BATTERY PACK USE BLUE OR BLACK WIRE
Step 6: TAPE THE FULL PACK TIGHTLY
JUST TAPE THE FULL PACK TIGHTLY BY PUTTING NEGATIVE WIRE INSIDE
Step 7: USE SOME DESIGNER TAPE
TAPE TIGHTLY AND MAKE IT LIKE ROD SHAPE
I AM USING A DESIGNER TAPE IT WILL LOOK GOOD WITH THIS
Step 8: TAKE OUT ROOM FRESHNER BOTTLE
GET YOUR ROOM FRESHENER BOTTLE AND CUT OPEN ITS UPPER PART
PLEASE SMOOTH THE EDGES AFTER CUTTING FOR SAFETY.
Step 9: PUT THE BATTERY INSIDE BOTTLE
JUST PUT THE BATTERY PACK INSIDE BOTTLE FACING POSITIVE POINT UPWARD
AND ATTACH RED WIRE TO THE POSITIVE TERMINAL OF BATTERY PACK.
Step 10: CONNECT DC CONNECTORS
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
Step 11: FINALLY CONNECT
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
Step 12: HOW TO CHARGE POWER BANK ?
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 ..
9 Comments
4 years ago
can we use 26650 batteries without using 18650
5 years ago
Putting recycled 18650 cells in series and charging them without current balancing circuit WILL result in fire and/or explosion.
Reply 5 years ago
Yes, you are right but I am using it for very long time.
But you are right it is dangerous that is why I have created another project..
https://youtu.be/Tj6n92I5R88
You can check this out
5 years ago
Where are the vent holes in case the batteries discharge on you?
if you drill a few small holes in the bottom it would direct the discharge so you dont have a bomb....
Reply 5 years ago
My friend
I have placed inside some shock absorbing materials.
For circuit protection.
6 years ago
with how many Ampere does it charge? and what can i do to change that? android phones need 2-2.4 iphones 1.5, and e-cigarettes 0.5
Reply 6 years ago
You just need to get the appropriate car charger
In this tutorial I am using belkin car charger which gives 5 volt 1 amp and 5 volt 2amp.(1amp for normal SMARTPHONES and 2 amp for fast charging devices like Apple)
Yes .thanks for asking how to charge the power bank ?
Answer= you need to charge power bank with 12 volt &1 or 2or 3 amps
The most easy 12 volt charger are power supply for wifi router etc.. They also comes with DC connector . (no need to do anything just connect to the power bank directly )
6 years ago
omg, this is not dangerous ? !?
Reply 6 years ago
Yes , not dangerous but useful
Thank you for comment.