NEW YORK- Electric Fuel Corporation (Nasdaq:EFCX), which makes zinc-air fuel cells, said it won a contract to develop prototype zinc air batteries for battlefield drones.

The batteries will be used in unmanned air vehicles (UAVs) and micro air vehicles (MAVs), aiming to give the man-portable drones longer range and flying time.

Electric Fuel's solutions for UAVs and MAVs are high-power, lightweight versions of its most advanced zinc-air cells, which have specific energy of 400 Wh/kg.

The company says it be showcasing its high-energy and high-power capabilities at Unmanned Systems 2002, in Orlando, Fla., from July 9 to 11.

Electric Fuel president and CEO Yehuda Harats said the contract complies with the goal of expanding in the defense and security industry.