Joey Hess's solar powered fridge system[0] is neat - instead of just storing energy in batteries he uses extra thermal mass[1]. [0] https://fridge0.branchable.

Joey Hess's solar powered fridge system[0] is neat - instead of just storing energy in batteries he uses extra thermal mass[1]. [0] https://fridge0.branchable.com/ https://fridge0.branchable.com/ [1] https://fridge0.branchable.com/thermal_mass/ https://fridge0.branchable.com/thermal_mass/