Flashlight: A portable electrical device used for lighting. Generally divided into incandescent lamp, D, HD, etc. The explosion-proof type has the highest explosion-proof level and can work safely in various flammable and explosive places. The light source adopts American high-brightness D, which is energy-saving, efficient and has a service life of up to 10,000 hours. The reflector is treated with high-tech surface technology and has high reflective efficiency. The lamp illuminates The distance can reach more than meters, and the low light can be used continuously for more than an hour.
Power supply: Dry cell battery: alkaline battery quality is preferred.
Nickel metal hydride (nickel cadmium) battery: rechargeable, available for civilian use Models have the same specifications as dry batteries, and there are also various other models.
Lithium battery: The lithium battery mentioned here is a disposable battery, not rechargeable, and has many specifications. At present, the price in China is relatively expensive, and the most popular ones are Hehe R and R batteries.
Explosion-proof flashlight