Innovative inventions ensure the overwhelming light power of 850 Lumen for this rechargeable LED LENSER® M17R, performance-optimized lamp with its new rechargeable battery technology. This new technology, on the basis of lithium-ion-phosphate (Safety Ytrion Cell) is more durable and safer than regular rechargeable batteries. Thanks to the new charging system, the rechargeable batteries do not have to be taken out. The new switch mechanism of the Fast Action Switch allows for a fast change between the light programs. Special feature of the M17R are the emergency light function, the integrated turn on safety and the transportation safety.