JK-BMS 4S to 8S 40A Smart BMS with Active Balancer for Lithium Battery Pack
Its really good and better than expected
3S 100A NMC Battery Balance Charging Protection BMS Module
If you want efficiency in your solar diy system with budget money then I recommend you to don't buy. make any kind of diy system like buy buck converters and other cheaper ways ..🧱 but but if you want long term reliability robustibility and set and forget thing with peace of mind with reasonable market price then I highly highly recommend to buy this thing and if you then decided to buy buy from quartz component this site it gives you genuine price with genuine other tax shipping cod fees than other sites that is it ...
Satisfied
16-Bit WS2812B 5050 RGB LED Circular Full-Color Addressable Ring Light Development Board
5 STAR Genuine original battery, i changed all torches battery with this & believe me backup is mind blowing.thank you
Runs on 5v, not that fast but it spins, build quality is pretty good.
Using it for other than it's intended purpose; to act as a cooler fan for my Nintendo switch, and the speed is proper to act as active cooling but not too much pressure.
It is working very well and I can buy control it from far with anteena
No heating issue, stable performance
very good service also
Now l coul, t open the app an errer showig update is ok
it is so good to use ,I have been using it for a whole month it is very quick ,thank you quartz components
I have developed an Automatic Indicator device for Vehicles. It can show left/right turns, u-turns automatically with the help of an App (developed by me) on Android device. Check this: https://www.youtube.com/watch?v=944zSg4jbvA or go to youtube.com/@DIY-Try
