The Manker E05 II Ti is Most Powerful Every Day Carry Titanium Flashlight in Single 14500 /AA Class.
800 Lumens Illumination / Made by Titanium / Ultra-Compact Size / Multi-fuel / Dual Constant Current Drivers

• - Gen 2 Model Bead Blasted Ti
• - The whole shell are made from titanium
• - Beam blast titanium finish on body
• - Solid copper "pill" that houses LED's copper MCPCB and driver
• - Titanium plated 304 stainless steel deep carry clip
• - Mini size for perfect everyday carry
• - Multi-fuel design:14500 li-ion, Ni-MH AA, Alkaline AA AA-size battery
• - Extreme performance in its class (800 lumens illumination / Dual constant current drivers)
• - Forward 'clicky' button control for one-handed operation
• - Light tail-stands easily for convenience
• - 1 tritium slot at tail switch
• - IP68 waterproof rated, 2 meters underwater
• - 1.5 meters drop-resistant
• - Multi-color filter options: white / red
• - Versatile usage applicable

Technical Data of Nichia 519A 4000K R9080: 
Powered by Mankerlight 14500 USB-C li-ion battery:
Low: 6.5 lumens, 50 hours
Medium: 220 lumens ~ 6.5 lumens 1 hrs 30 minutes + 3 hrs 50 minutes
High: 800 lumens ~ 220 lumens ~6.5 lumens, 2 minutes + 1 hours +4 hours
Strobe: 800 lumens 20Hz
Beam intensity: 3,600 cd
Beam distance: 120 meters
Impact resistance: 1.5 meters
Waterproof standard: IP68, 2meters underwater for 60 minutes

Package content
1x Mankerlight E05 II titanium 4000K 519A Neutral white LED flashlight
1x Mankerlight 920 mAh protected 14500 lithium battery with Type-C USB port
1x Type-C USB charging cable
1x Lanyard
1x Spare waterproof o-ring
1x User manual

Operating Instructions:
ON/OFF: Fully press the switch.
Momentary ON: Half-press from OFF until released.
Output change①: Continuously half-press the switch (interval more than 0.5 second) to change different outputs ( Low - Med. - High), full press to lockout the selected output.
Output change②: From OFF status, fully press the switch to turn on Low output, and then fully press to turn OFF; fully press again to turn on Med. output, and then fully press to turn OFF; fully press again to turn on High output, and then fully press to turn OFF; If keep fully press again, turn back to low output.
Memory function: When OFF the light for 2 seconds, full press to output last used (except Strobe)
Strobe: Quickly double half-press the switch from OFF.

Note: When battery voltage is low, the light will step-down directly to low output, sometime you turn off the light and then turn on again, it can be lighted up but will also step-down to low output soon. When battery voltage is extremely low, the light will shut OFF automatically.

Battery Charging Indicator:
Plug USB Type-C socket of the included charging cable into the USB-C port of 14500 battery, and connect another USB socket to the adapter. 14500 battery has built-in intelligent identified charging function. When battery is charging, the indicator will be red. After battery charging is completed, the indicator will change to green.

Technical Data of Nichia 519A 4000K R9080: 
Powered by Mankerlight 14500 USB-C li-ion battery:
Low: 6.5 lumens, 50 hours
Medium: 220 lumens ~ 6.5 lumens 1 hrs 30 minutes + 3 hrs 50 minutes
High: 800 lumens ~ 220 lumens ~6.5 lumens, 2 minutes + 1 hours +4 hours
Strobe: 800 lumens 20Hz
Beam intensity: 3,600 cd
Beam distance: 120 meters
Impact resistance: 1.5 meters
Waterproof standard: IP68, 2meters underwater for 60 minutes

Powered by AA Ni-MH Battery:
Low: 1.5 lumens, 27 hours
Medium: 80 lumens ~ 1.5 lumens, 1 hours 50 minutes + 3 hours 3 minutes
High: 300 lumens ~ 80 lumens ~ 1.5 lumens, 2 minutes + 2 hours + 30 minutes
Strobe: 300 lumens 20Hz
Impact resistance: 1.5 meters
Waterproof standard: IP68, 2 meters underwater for 60 minutes

Powered by AA Alkaline Battery:
Low: 1.5 lumens, 55 hours
Medium: 80 lumens ~ 1.5 lumens, 1 hours 20 minutes + 16 hours 50 minutes
High: 300 lumens ~ 80 lumens ~ 1.5 lumens, 1 minutes + 48 minutes + 3 hours 15 minutes
Strobe: 300 lumens 20Hz
Impact resistance: 1.5 meters
Waterproof standard: IP68, 2 meters underwater for 60 minutes

Warning:
1. Do not shine light directly at anyone eyes.
2. Please remove battery insulation sheet and fully charge battery before initial use.
3. Please check and lubricate the threads regularly with professional lubricant.
4. Please recharge the battery every 2-3 months when left unused for a prolonged time.

We list some reviews about Mankerlight E05-II from different flashlight enthusiasts.
1. Tim McMahon's reviews: https://timmcmahon.com.au/posts/manker-e05-ii/