The new battery has a more stable and longer-lasting performance.The new pointed-shaped battery is more versatile.Both the old and new labels are genuine products of the brand.Please feel free to purchase with confidence.Thank you for your understanding and support.
Specifications:

Voltage: 2.8-6.6 volts

Battery Supported: single 18650 or 21700(Battery not included)

Dimension: 165mm(length)* 35mm(head)* 30mm(head)

Net Weight: 130 gram (no batteries included)

Made by Aircraft 6061 grade-aluminum alloy, Premium type Ⅲ hard-anodized anti-abrasive finish to get solid built body, anti-crash.

Toughened glass lens with purple AR coating; Smooth Reflector

Reverse polarity protection: to protect from improper battery installation

Constant current output is adopted

Advanced temperature regulation (ATR) technology:

It adjusts the brightness level automatically when the driver temperature reaches 60℃ to keep the light from overheat.

Automatic Stepdown:

Turbo steps down to High after working for 3 minutes to avoid overheat. The ART works if the drivers reaches 60℃.

Low voltage warning:

It is lower than 3.1 volts if the LED Red indicator (on the side switch) flashes rapidly when you turn on. Then please recharge the battery.

Low Voltage Protection:

If the voltage is lower than 3.0 volt when turn on, automatic stepdown works. so it keeps stepping down to the lowest mode and runs out power juice. Please insert new battery if you get this signal.

Battery Capacity Indicator (LED on the side switch)

The indicator is on for 5 seconds every time when light turns on. It shows green or red to indicate the battery power.

Steady Green: enough power

Steady Red: short of power

Flashing Red: running out of power. Please insert a new battery!

Operation Instruction:
side switch to choose modes
5 modes:High -medium -low -flash-SOS, Long press stepless dimming.
After opening for 10 seconds, it can be directly closed without passing through any gear position

Package including:
Provided according to the package