Let's commence by considering the Copper Tactical LED Flashlight a remarkable product that boasts a peak beam intensity of 8500 cd and a throw distance of up to 184 meters.
This flashlight is engineered with an emphasis on high efficiency and constant current circuit, and it utilizes 4xNichia 219C/XP-G3 LED for maximum output of up to 2100 lumens.

The Astrolux S43S Copper Version 18350 18650 EDC Flashlight is a well-built product that showcases impressive features. With its intelligent charging module and micro USB port it can charge Li-ion battery rapidly, making it convenient for outdoor use. Additionally, the flashlight's solid construction and bright illumination make it an excellent choice for both personal and professional use. Its compact design is perfect for everyday carry, but its weight may be a little heavy for some users.

It's worth noting that this flashlight is a great little light with exceptional brightness. However in prolonged use at maximum power, it tends to heat up a bit. Also, some users may find its weight to be a little cumbersome for everyday carry. All in all, the Copper Tactical LED Flashlight is a good quality product with excellent materials and construction.

To sum up the Copper Tactical LED Flashlight is an impressive product that delivers on its promises. Its high efficiency constant current circuit and intelligent charging module make it convenient for outdoor use, while its solid construction and bright illumination make it an excellent choice for both personal and professional use. Overall, I strongly recommend this product to anyone looking for a high-quality flashlight that can withstand the rigors of daily use.