aluminum fuel battery salt water lamp

সহজ বহনযোগ্য 500Ah DC 5V 5W অ্যালুমিনিয়াম এয়ার ফ্লো ব্যাটারি

5W Small Size Light Weight Easy Carrying Supply Aluminum Air Battery For Emergency Our Al-air battery relies on aluminum metal to generate electricity without charging,and lasts for a long time.The battery can realize lighting and USB charging at the same time,suitable for the following applications...