Hi guys,

ok​

,

i'm​

a bit new to this so be patient

well, i am going to be using this battery, an

ultrafire​

3.7v 2200

mah​

battery (18650) and i need to boost the voltage up to 5v

I have been looking at boost converters, and sifting through posts to see if i could figure out how to do it through that....i couldn't!

If a kind soul would be willing to help out a

nooby​

that wants to learn i would be very appreciative!

What i need is a parts list of what i would need, and how i would connect it all together, or even someone to tell me if this is even possible!

Also, the battery is rated at 2200

mah​

, i assume by boosting it the battery wouldn't last as long, could you tell me how much battery life i would be loosing?

Thanks

alot​

, any help would be great

(please remember, i a newbie!(but a quick learner)

Cheers

Fred

 

What is the maximum current that you intend to provide to the load?

hgmjr

 

the maximum supply the device i am powering is 7v

Cheers (hope this is what you were asking)

 

Actually I was asking what is the current that you expect the load to require. Your battery is capable of 3.7V at 2.2 Amps. That would mean that under ideal conditions with 80% efficient boost SMPS (Switch-Mode Power Supply), you would be able to deliver about 5V at 1.3 Amps to your load. Is that enough current for your load?

hgmjr

 

my device draws about 1amp so that would be perfect right?

Thanks

 

If you are still here after 6 years i have a new thread of a step up and usb charger.