Battery + charger to get 2A output

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sparkster
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Battery + charger to get 2A output

Post by sparkster » Thu Dec 13, 2018 7:13 am

Hi guys. I've been working in a project gameboy pi like. In this case, I'm using a rasbperry pi 3 and a massive 7" touch screen powered via one single micro USB connected to the pi.

In the past I built the gameboy pi zero, but I'm finding some obvious problems with this new project.
I tried using the same battery and charger as before. This is the battery:

https://www.dx.com/p/geekworm-3-7v-2500 ... BJoOXVKjeI

and as a charger I am using the arduino powerboost 1000.

This combination only allows a 1A output, which is not enough (the undervoltage symbol does not go away no matter what, and in some extreme situations, the rasbperry pi resets). I tried plugging the whole thing to a 2A charger and it works like a charm.

I need a battery and a charger which allows me to get those 2A, but I have no clue about where to begin searching, I'm pretty n00b at this. Any recommendations?

Thanks!

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VeteranGamer
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Re: Battery + charger to get 2A output

Post by VeteranGamer » Thu Dec 13, 2018 8:55 am

sparkster wrote:
Thu Dec 13, 2018 7:13 am
Hi guys. I've been working in a project gameboy pi like. In this case, I'm using a rasbperry pi 3 and a massive 7" touch screen powered via one single micro USB connected to the pi.

In the past I built the gameboy pi zero, but I'm finding some obvious problems with this new project.
I tried using the same battery and charger as before. This is the battery:

https://www.dx.com/p/geekworm-3-7v-2500 ... BJoOXVKjeI

and as a charger I am using the arduino powerboost 1000.

This combination only allows a 1A output, which is not enough (the undervoltage symbol does not go away no matter what, and in some extreme situations, the rasbperry pi resets). I tried plugging the whole thing to a 2A charger and it works like a charm.

I need a battery and a charger which allows me to get those 2A, but I have no clue about where to begin searching, I'm pretty n00b at this. Any recommendations?

Thanks!

PSU and Charger...
https://sudomod.com/forum/viewtopic.php?f=38&t=6421

other 2A charger are available...
https://www.aliexpress.com/item/10W-3-7 ... 4c4dD5QXG2

but Helder is tried and tested....
and if using in a Retropie builld, will offer additional functions like a on-screen battery monitor and other functions (check his listing)
(i've used one in a Wii U build with a Pi3 and a 6.5" HDMI LCD.... and NO under voltage)


you can use any 3.7V LiPo battery. size just depends on the available space you have (and how much you want to spend)




.

sparkster
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Re: Battery + charger to get 2A output

Post by sparkster » Thu Dec 13, 2018 9:06 am

Sounds great! Thank you!

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