Active balancers - are they any good? + testing a battery tester

Hello guys!
I ordered some new components for future projects and I will test them in my next videos. Today I will test some active balancers and a battery monitor/tester.

A big THANK YOU to all my patrons, especially to: Max Rice, Jacek, techge, Anthony Ortenzi, John.

If you are a nice lad and want to donate to me on Paypal, here you go: [email protected]
If you try to build devices similar to mine and need help, I will answer your questions on Patreon.

My Patreon campaign:   / sorindiy  
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My friend Cristian just started his Youtube channel - Cristian DIY. If you enjoy building stuff or you just like to watch DIY videos, take a look at his channel:    • DIY: Bluetooth Speaker 🔈  

Components list:
Active balancer: https://s.click.aliexpress.com/e/_DBe...
Battery tester/monitor: https://s.click.aliexpress.com/e/_DBD...
3S BMS with balance: https://s.click.aliexpress.com/e/_9gEfjB

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