Features: 1) Simply plug the charger into the car cigarette lighter socket to charge the mobile phone 2) LED charging indicator 3) Short circuit protection 4) Automatically switches to a suitable input voltage range 5) Maintains constant voltage when charging 6) Never overheats or overcharges the battery Specifications: 1) Input voltage: DC 12 - 24V 2) Static current: 5mA 3) Surging frequency: 100Hz 4) Input current: 300 - 500mA 5) Working temperature: <40oC Inner packing: poly bag Outer packing: 150pcs/ctn Carton dimensions: 400 x 300 x 230mm N.W.: 9.47kg G.W.: 10.47kg Origin CHINA Supply ability 24,000pcs/day