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How to add charging to LED light running on 2s 18650?

I am new at this and was hoping for some guidance. I currently have this setup for testing- 2s 18650 7.4V --> Constant Current Boost Regulator (XY-SJVA-4) --> 20W LED I can't seem to find clear ...
el999999's user avatar
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1 answer
187 views

High-power LED driver

What would be the best way to drive 3 high-power RGB LEDs with one 18650 battery? The LEDs are 3 W a piece. Forward voltage is 3.2 V, forward current 350 mA per color. I would like to use a mini RGB ...
Matthew Whitlow's user avatar
1 vote
1 answer
722 views

Powering rechargeable bike lights from 'power bank' while they're lit [closed]

Summary: what are the risks / is it advisable to run rechargeable bike lights at the same time as they're charging from an external power source? There are plenty of bright rechargeable bike lights ...
Robyn Hines's user avatar