I'm looking to move away from my power bank (via usb) and get a battery that utilises the battery socket on my Espruino. I'd like to keep the power bank for my other prototyping so it's time to hunt down a different power source.
I'd like some help on picking out a battery and a suitable charging unit. My project currently requires me to supply 5V with peaks of 2A to power a GSM board as well as GPS & the Espruino.
My power bank is a 10,000 mAh and supplied 5V/2A I don't mind dropping down to around 6000mAh but anything above and closer to the 10k would be excellent.
Any recommendations? I noticed li-po are mostly at 3.7v so I would need a booster to get the 5v but no ideas on what combinations will work best. I'm currently having a read through the adafruit website.
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