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DIY Professional 18650 Battery Pack
Variable Lab Bench Power Supply.
Electric Skateboard V2.0: Smartphone Controlled
DIY Electric Longboard for $300
What I am trying to point out is that you already have DC in your batteries. What you are doing right now is converting it to AC (inverter) and then back to DC using the phone/tablet/speakers charger.Instead, you could replace the inverter with a DC-DC converter (pretty cheap on eBay) and use the variable output (usually 5V, but you can decide which one you need by using the built-in potentiometer) to charge your stuff directly. Your overall weight will decrease and the efficiency will be higher.You could still carry your inverter if you really think you are going to need it.
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Portable Powered Laptop Case
Very nice project!Have you thought about using a DC-DC converter instead of the inverter? Might be useful in many aspects.
I will never understand why people leave comments like this one. It's pretty obvious that Instructables is for people who loves designing and creating their own stuff. Being able to buy things is something anyone could do. This power supply is not.Very good project! Keep it up!
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I just wanted to say congratulations. Your instructable is very well explained and detailed. You deserve my vote.Good luck and keep up with the good work!
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DIY Portable Bluetooth Speaker 30W, BT4.0, Passive Radiators
Easy Cheesey Garlic Pull-Apart Bread
diy portable speakers with bluetooth n remote
Very nice instructable. I will definitely try this one. Gonna buy the components right now.Thank you very much for sharing with us!
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