4 5v mini portable lamp

4.5Vマグネシウムの空気細胞のキャンプの照明のための小型携帯用ランプ

4.5V Magnesium Air Cell Mini Portable Lamp For Camping Lighting 1. Descriptions: This mini size portable lamp could be started promptly after you dipping it into the water(any liquid you have handy). It is widely used for outdoor camping use, household emergency use, emergency rescue light. Magnesium air battery is a self-generating device by using oxygen as anode and magnesium alloy as cathode.The Oxidation-reduction reaction occurs between magnesium alloy and oxygen to