The solar panel is sitting in the grass.
The cord is black.
The shoes are black.
Shoes are in the background.
black leather casual shoe
weedy grass under electronics
pivot for folding solar panel
A pair of black shoes
Charging a cell phone 
Cellphone hooked up to solar charger
Solar charger leaning on sneakers
Grass and clovers found in cooler climates
Black sneakers with velcro
a pair of black gym shoes
a gray electronic device
an electronic device propped up on the ground in front of a pair of sneakers
two screens on the electronic device
an electronic device and cellphone 
A solar panel.
A charging cord.
solar phone charger
Portable solar charger 
a pair of black sneakers laying on the grass next to solar panels