.Crank dynamo powered .Solar-energy powered .Emergency charger for cellphone .7pcs Ultra-bright LED lighting Solar Keychain FlashlightSV-284DFeatures & Spec: ·Built-in battery: Ni-Cd 300mAh 3.6V·Solar panel: 85*31mm 6V 40mA·Charging time: 36M(by cranking)/8H(strong sunlight)·Using time: lighting(4H)·1M cranking gives lighting(6M)·LED brightness:12000mcd·Output voltage:DC5.6V·Output current:450mA· ...