External supply

simone91
Posts: 6
Joined: Fri Mar 01, 2019 12:47 pm

External supply

Postby simone91 » Mon Mar 11, 2019 7:30 pm

Hi,

I want to use an ESP32 with an external supply.

For the moment I used an alcaline battery 9v 600mAh, and run correctly. It' s enough? How long it can supply my circuit?

Someone have another advice for the external supply? I would like to use a battery as small as possible.

AshIsPurestWhite
Posts: 7
Joined: Tue Dec 11, 2018 3:09 am

Re: External supply

Postby AshIsPurestWhite » Tue Mar 12, 2019 3:31 am

Using a efficient buck IC will help a lot. And what task you run may have a big impact for the battery life. You can measure the power consumption and the battery life by yourself. I think it's not too hard to operate.

MXKx20
Posts: 1
Joined: Mon Nov 20, 2017 7:53 pm

Re: External supply

Postby MXKx20 » Tue Mar 12, 2019 6:20 am

Any rechargeable options with small Li Batteries?

simone91
Posts: 6
Joined: Fri Mar 01, 2019 12:47 pm

Re: External supply

Postby simone91 » Tue Mar 12, 2019 9:32 pm

The duration of the is about 4-5 hours... I will find a source that can power it for 20 hours.

Can you advice me?

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