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Wait for good 18650s to arrive #solarpi
Find/purchase a better charging/USB apparatus that can hold 4x 18650s and won't explode #solarpi
Wait for the 4x18650 battery case to arrive to see if it's viable #solarpi
Charge the 4x18650 pack #solarpi
Find a viable solar charge controller that can handle 4x18650s #solarpi
Put the whole thing together and see if it explodes #solarpi
Burn your finger on a soldering iron and ruin several 5v regulator boards #solarpi
Discover that the existing power supply sometimes shuts off output and doesn't turn it back on #solarpi
Find a better battery pack that can charge and supply power at the same time #solarpi
Write about solar pi 
#dumb
Wait for good 5v regulator to arrive #solarpi
Try running it without the battery pack, just solar + ultracapacitors #solarpi
Solder up supercapacitor USB lead #solarpi
Looks like a supercapacitor and no battery did the trick (during the day at least) #solarpi
Install supercapacitors #solarpi
Test cellular on a sunny day #solarpi
Bang head against mystery problem #solarpi
Wait for supercapacitors to arrive #solarpi
Work out why it's still randomly turning off and not back on #solarpi
Wait for: 5v regulators to arrive #solarpi