Even the village where as long as there is power can charge or, in most cases this is the ideal battery AA battery. Easy rechargeable batteries: explosion-proof flashlights can charge all can best use.
So try to use high efficiency Light LED flashlight, power: outdoor activities cannot carry lots of batteries. Ensure adequate brightness and long life time. Best low light can only reach dozens of hours of bright light flashlight for use in extreme cases, continuous lighting every night of Passover week.
Must first solve the problem of bright light flashlight is waterproof, waterproof performance: relative at home. Specification for waterproof of reassuring IPX-8 of course soaking in shallow water (generally refers to 2 meters) are in use, of course, against the rain in a sense, waterproof and also belongs to the reliability of the outdoor content.