Material: PCLight source:LED  LED: 4power source: rechargevoltage:3.7V(V)built-in 3.7V/3000mAhigh power capacity Li-polymer,cycling rechargeable use. dispene with replace battery.with automatic protecting of charging, prevent ex-charge and ex-dischargeoutput: DC5.5V  500mA~800mA;

portable solar charger