Joined in 2023 
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63 About this deal
The advanced temperature regulation is pretty impressive. I tested the flashlight inside my car with the heater turned to the fullest point, and then during winter — on both occasions, the light didn’t seem to drop its performance. Tested to ANSI/PLATO FL1-2019 standards in laboratory conditions using the included NL2150HPi 5000 mAh 21700 lithium-ion battery. The data may vary slightly in real world use depending on battery type, individual usage habits and environmental factors.
I have been buying flashlights from Nitecore for years. They never disappoint. I work in dark dirty places and need reliable lighting. This flashlight gives that and more
Since its establishment in 2007, Nitecore has been recognized for its durable, reliable, and high-performing products. Its flashlights are highly regarded for their bright and long-lasting beams, making them ideal for outdoor activities. I measured the P23i over specifications for almost every mode; turbo at 30 seconds didn’t quite hit its mark, but it does when it’s first turned on. 480 meters, or even 450 meters is a long way to throw!
Advanced temperature regulation (ATR) regulates the output of the P23i according to the working and ambient temperature to maintain optimal performance while preventing the LED from overheating. Look at those regulated graphs! Low is a straight line, right across the board. Ultralow would be like that, too, but I didn’t test that 45 hour runtime. Mid and high hang out around 600-700 for most of their runtime, and you can see Nitecore’s patented Advanced Temperature Regulation raising and lowering the output a little throughout the life of the battery. Mode The tail is comprised of a standard button and a flat paddle (mode) button. Operating in Daily Mode (the default setting) The Nitecore P23i is the new memeber of the i-generation flashlight from Nitecore. Developed for the most dire tactical situations, with a max output of 3000 lumens. And with an illuminating range up to 470 meters, the P23i is the ideal light for police members, search and rescue, assault operation and self defense. With e-peak beam intensity of 55’300 Cd, it will illuminate far more than its competitors, thanks to the improved output and throw capabilities of the SFT-70 LED emitter. It’s now Strobe Ready !
BRIGHTNESS OUTPUTS
The P23i comes with a 5000mAh high-capacity battery and can be fast charged via its built-in USB-C port. Once it is fully charged, it can achieve a max runtime of over 45 hours on the ultra-low mode. A handy charging status indicator as a reminder when it is time to recharge. Ready for Action But for sure, it only takes less than 4 hours to charge fully. I recommend using the USB-C charging cable given by Nitecore to charge it safely. The covered charging port definitely ensures safety. Note: *Tested without temperature regulation active. As this is a high drain device, the temperature regulation may lower the output to reduce the temperature of the torch when used in the turbo mode for prolonged periods due to the heat generated. After all, for this price tag, you also receive the premium limited lifetime warranty by Nitecore. This means that Nitecore will cover labor costs and maintenance without replacement parts or accessories. EASY ONE HANDED OPERATIO - No complex twisting, brightness can be changed with just one thumb. Press and hold the mode switch for strobe or cycle through the 4 brightness levels with short presses when the light is turned on.
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