Sorry for not updating

 

But I’m busy, for example busy camping.

If you don’t know – most of camping places in Poland before or after holiday season are just empty.

Quite, peace and singing birds…..

Powerbank DIY

Usually I’m taking multiple electronic devices with me.

GPS can be handy – main works with two AA batteries.
I’m thinking about not taking it as my android phone is quite enough with offline maps.

Anyway – I got always phone (usually switched off).
At some stage I bought solar charger for AA acus and when I’m thinking about not taking GPS with me it would be wasted.
So, I decided I need to do something about it.

AA batteries are the most common power source on this planet and most devices can be powered off USB.
Even my torch is USB powered.

Stared to look for something on the net… nothing special.

“Professional” powerbanks  are using own batteries.

I found battery pack for four AAs in my electronic debris.

USB socket was not a problem.

We can have approximately 1.3V out of each AA battery.

4* 1.3V= 5.2 – looks good.

In USB socket you need to connect opposite connectors to + and – .

Those in the middle should be connected to each other
Looks that my electronics skills are not same as 20 years ago, but I made it.

This thing is powering my phone.