I made a battery for a cooling jacket fan that lasts 6 hours | DIY Nguyen

*Hello my dear friends,*
Today I made a 12V 4Ah Samsung battery pack for a cooling jacket. I tested it for over 6 hours of continuous use. Check out the entire process in the video!
*"All the components, protection circuit, and battery used in the video can be found in this link: kit.co/AmazonStudio/circuit-a... "*
#diybattery #diypowerbank #diynguyen