Friendly reminder: press the power button once to see the remain battery,then short press 3 times of the power button to turn on the dual steady on flashlights. solar charging efficiency will be influenced by natural conditions and random factors,such as sunlight,season,raining. specifications: product type: solar powered power bank materials: pvc battery capacity: rechargeable 10000mah lithium polymer battery power bank fully charged time: 5hrs (charging through micro usb port & type c port) solar panel: 1.5w/0.05mah monocrystalline silicon input: 5v/2.1a output: 5v/2.1a color available: black battery remain display: 25%, 50%, 75%, 100% micro usb cable length: 28.5cm/11.22in per embedded cable length: 11.3cm/4.44in item size: 6.7x14.2x1.8cm/2.64x5.59x0.71in package included: 1 x solar powered power bank w/ embedded 4 cables 1 x micro usb charging cable 1 x user manual
