It looks like to power a 5V arduino requires: LiPo battery with JST connector: https://www.sparkfun.com/products/341 5V DC to DC Step Up: 5V DC to DC Step Up - VPack PCB - PRT-08290 - SparkFun Electronics ? Charger: SparkFun LiPo Charger Basic - Mini-USB - PRT-10401 - SparkFun Electronics The bat…

5V LiPo - Seems kind of clumsy

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