[SALE] Retro PSU, a 3.5A Output capable Boost Board

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caffeinatedsoap
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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by caffeinatedsoap » Thu Sep 13, 2018 6:22 pm

This thing solved my brownout issues with my Pi3. Thanks for making it!

Kenshin16
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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by Kenshin16 » Sun Sep 16, 2018 12:26 am

Is it possible to connect two batteries to this? I only see one input. I have two 2500mAh lipos free right now.

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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by KonnorJ » Sun Sep 16, 2018 6:44 am

I'm fairly certain you'd need a BMS to balance charge the cells, the tp4056 only supports charging one cell, Helder please correct me if I'm wrong.

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Helder
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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by Helder » Sun Sep 16, 2018 10:37 am

This was intended for one battery, if you do connect more than 1 battery and something is damaged in the process that is on you and I will not replace damaged goods caused by improper use of the PSU.

On a note to this question what battery boost board has ever taken more than 1 input? If you can't think of one then neither can I and this is not supported in my board.
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Retro PSU, 3.5A output!


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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by Kenshin16 » Sun Sep 16, 2018 5:04 pm

ok, fair enough. thanks

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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by cbafun » Wed Sep 19, 2018 11:03 am

What a great build!

I would love to merge over to your boards. Just some questions: you mentioned earlier in the thread that there is no LBO equivalent (to the powerboost). Are there equivalent connections to the USB and Bat connectors on the PowerBoost. I understand this is a different product etc, it is just that me and my brother have created a safe shutdown/full power off PCB we would love to continue using.

Thanks again for an amazing board!

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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by KonnorJ » Sat Sep 22, 2018 8:33 am

From what I understand you are asking if there is a battery input and 5v output? If so yes to both.

AlexKid
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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by AlexKid » Sun Sep 23, 2018 9:50 am

Hi. Can someone tell me if I can use the psu without a battery.
as it were a normal powerboost.
If so, what is the optimal input voltage so the psu gives the 3.5A

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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by KonnorJ » Sun Sep 23, 2018 3:43 pm

Input from a charger should be 5v, I put from a battery should be 3.7v

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Re: [SALE] Retro PSU, a 3.5A Output capable Boost Board

Post by AlexKid » Sun Sep 23, 2018 5:06 pm

ok thank you, but what about with the unpluged battery?
The Plan is, a little Switch between the psu and the Battery.
when the switch is "off", I only play on the external psu.
and "on" I charge the battery.
so that Helders psu doesnt have to load and play at the same time.

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