Rechargeable LED Torch is a kind of hand-held electric-powered Torch that uses LED as light source with built-in rechargeable storage battery. It can last for long hours after fully charging, though the LED efficiency diminishes at higher power levels. Rechargeable LED Torch designed as the light source set in parabolic or other shaped reflector, transparent lens to protect the light source from damage and debris, a power source (typically electric batteries), and an electric power switch. Rechargeable LED Torch often designed as electronically regulated to maintain constant light output as batteries fade. It can emit various colors such as white, warm white to meet the environment condition. Most torches are hand-held, there are head or helmet-mounted torch designed for miners and campers and battery-powered lights for bicycles. Some torches are powered by hand-cranked dynamos or electromagnetic induction or are recharged by solar power. The high power LED torch is widely used in the car, home, work, camping, emergency kits, etc.