Rechargeable Lithium Ion Batteries Answered
I am planning to make a rear bike light, which has rechargeable batteries through USB. I then decided to use Lithium Ion Batteries for it. But the problem is that I dont know what parts I need.
It should be able to light up 4 COB LEDs (Each rated 12V, photo given)
Till now, after looking at several other instructables, I am able to say that:
1. It needs a steup transformer from 5V TO 12 V - TP4056
2. It needs some sort of protection like:
3. Also do can I allign three 3.7V Lithium Ion Batteries to make 11.1V?
Please help me out