A 18650 Battery Charger sponsored by NextPCB (Register to get $100 from NextPCB:
https://www.nextpcb.com/register?code=mrelectronic) has been made by me in this project.
The charger is 220v to 3.7 volt for lithium ion battery charging without any transistor, Mosfet or IC but only ( 0$ for 5-10pcs PCB Prototypes:
https://www.nextpcb.com/pcb-quote?act=2&code=mrelectronic) , Diodes , Transformer.
PCB Assembly capabilities info:
https://www.nextpcb.com/pcb-assembly-services?code=mrelectronic

3D Printed Box - https://cults3d.com/en/3d-model/tool/18650-lithium-ion-battery-holder-and-cell-balancer-x-8
My 3D Prints - https://cults3d.com/en/users/omarsuhaib
My 3D Printer - https://www.banggood.in/custlink/mv3herJ1N0

Mr. Electron = https://bit.ly/MrElectron
DC Motor Videos = https://bit.ly/More_on_DCMotors
What's Inside = https://bit.ly/Whats_Inside_Videos
Repair & Restore = https://bit.ly/Repair_and_Restore
Make Welding Machine = https://bit.ly/Welding_Machines_diy
DC Converters = https://bit.ly/DC_Converters
Electric Bikes = https://bit.ly/E-Bike_Videos
AC & DC Generators = https://bit.ly/Generators_DIY
Alternators = https://bit.ly/Alternator_Videos
Lithium Tab Welder = https://bit.ly/Battery_Spot_Welders

Follow Me At -

INSTAGRAM : www.instagram.com/mrelectron_youtube
INSTRUCTABLES : https://www.instructables.com/member/omars2/instructables/

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---- Thanks A Lot For Your Love & Support Guys ----

#18650 #lithiumion #withoutic #withouttransistor #withoutmosfet #220v #batterycharger