So I got a crazy #idea for #Fairphone ... Would be fun if some one could proxy this idea to the official folks there. @gael, @WeAreFairphone, @fairphone ?
Fairphones has a replaceable battery. Sometimes I would like to have a spare battery with me, to replace on-the-fly. In some situations, that is more convenient than to have the extra "dongle" known as an external USB battery pack.
The challenge is: How do you charge them? Back in the old phone days, you could have desk chargers for spare batteries. Another challenge: How do you carry external batteries safely?
So I got this crazy idea. Combine those two challenges! With an additional twist!
What if there was a portable "box" which could carry up to two Fairphone batteries, with a USB-C port to charge them. But! Let it also function as a USB-C battery pack which can be used with Fairphones (via cable) or other USB devices.
That gives you a portable battery charger, battery carry case for 2 batteries and a 3905 or 7810mAh OTG battery pack (based on FP4 batteries, depending on if 1 or 2 batteries are present).
If these cases can be designed to support more FP battery generations, you get something which could even be quite sustainable.
So it's like fairphone version of this https://a.co/d/9OfZpOu , right?
@grapemix
Yeah kinda ... but that it can also charge other devices when not connected to a charging source.
Use case 1: Charge FP batteries
The "box" is connected to a charging source, which charges inserted batteries
Use case 2: Charge USB devices
When the batteries inside "box" are charged, connecting a USB device to this "box" will start charging the connected device
Use case 3: Swap out the FP battery from this "box" with a discharged battery in the FP
It would be a great bonus if it could also accept more generations of FP batteries. FP3 or FP4 and newer would probably be most realistic.