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TUBE V2.0

 

USER MANUAL

Features

• Utilizes a high-performance LED with a max output of 55 lumens

• Built-in rechargeable Li-ion battery provides a max runtime of 58 

hours

• Integrated intelligent Li-ion battery charging circuit 

  (Micro-USB charging port)

• Advanced Power Cut-Off (APC) technology for an ultra-low parasitic 

drain

• Single switch offers one-hand operation

• 2 brightness levels and Infinitely Variable Brightness (1-55 lumens) 

available

• Wide range 100° flood beam

• Constructed from durable PC materials

• Dual metal key ring connector withstands up to 35kg (77lbs)

• Extremely lightweight, compact and portable

• Impact resistant to 1 meter

Specifications

Size: 

56.5mm×21mm×8mm (2.22”×0.83”×0.31”)

Weight:  9.6g (0.34oz) (Battery Included)

Accessories

Key Ring

Technical Data

FL1 STANDARD

HIGH

LOW

55 Lumens

1 Lumen

1h 15min

58h

25m

3m

156cd

2.2cd

1m (Impact Resistance)

IP65 Rated

Note: 

The stated data is measured in accordance with the international 

flashlight testing standards ANSI/NEMA FL1, using the built-in Li-ion 

battery (125mAh) under laboratory conditions. The data may vary 

in real world use due to different battery usage or environmental 

conditions.

* The Infinitely Variable Brightness varies from 1 to 55 lumens. 

Therefore, the runtime will vary from 58h to 1h 15min depending 

on the chosen level of output.

Charging Function

The TUBE V2.0 is 

equipped with an 

intelligent charging 

system. Please charge 

the battery before the 

first use.

Connecting to the 

External Power: 

As 

illustrated, use the USB 

cable to connect an 

external power supply 

(e.g. a USB adapter, a computer or other USB charging devices) to the 

Micro-USB port located on one side of the body to begin the charging 

process. The charging time is approx. 1.5 hours.

Charging Indicator:

 During the charging status, the blue charging 

indicator located on the Power Button will be steadily turned on to 

inform the user. When the battery is fully charged, the blue charging 

indicator will go off.

•  The TUBE V2.0 can still be activated during the charging process.

•  The TUBE V2.0 should be recharged when the output appears to be 

dim or the light becomes unresponsive due to low power.

Operating Instructions

LOW Level

When the light is off, press the Power Button to access the LOW 

Level. Press the Power Button again in over 3 seconds to turn it off.

HIGH Level

When the light is off, double press the Power Button to access the 

HIGH Level. Press the Power Button again to turn it off.

Momentary Illumination

When the light is off, press and hold the Power Button for over 1 

second to access the HIGH Level of 55 lumens. Release to turn it off.

Infinitely Variable Brightness

When the light is off, short press and then long press the Power 

Button to access the adjustment of the Infinitely Variable Brightness, 

and release to select the current brightness level. Press the Power 

Button again to turn it off. This function does not have mode memory.

Lockout Mode

When the light is on, press and hold the Power Button for over 3 

seconds until the LED flashes once to indicate that it has accessed 

Lockout Mode to prevent accidental activation. To exit Lockout Mode, 

press and hold the Power Button for over 3 seconds to unlock the 

light and access the HIGH Level.

(

Note: 

The TUBE V2.0 will be automatically unlocked when being 

recharged in the Lockout Mode.)

Cautions

1. Please charge the battery before the first use.

2. Please recharge the product every 3 months when left unused for a 

prolonged time.

3. CAUTION! Possible dangerous radiation! Don't look into the light! 

Maybe dangerous for your eyes.

4. The product contains small assembly parts. Please keep it away 

from children to avoid danger of choking or suffocation.

5. DO NOT disassemble, modify or reconstruct the product, otherwise 

the warranty will be nullified, and the product might be damaged.

Warranty Service

All NITECORE

®

 products are warranted for quality. Any DOA / 

defective product can be exchanged for a replacement through a local 

distributor/dealer within 15 days of purchase. After that, all defective 

/ malfunctioning NITECORE

®

 products can be repaired free of charge 

within 24 months from the date of purchase. Beyond 24 months, a 

limited warranty applies, covering the cost of labor and maintenance, 

but not the cost of accessories or replacement parts.

The warranty will be nullified if

1.  the product(s) is/are broken down, reconstructed and/or modified 

by unauthorized parties;

2.  the product(s) is/are damaged due to improper use.
For the latest information on NITECORE

®

 products and services, 

please contact a local NITECORE

®

 distributor or send an email to 

[email protected]

※ All images, texts and statements specified herein this user manual 

are for reference purposes only. Should any discrepancy occur 

between this manual and information specified on www.nitecore.

com, Sysmax Innovations Co., Ltd. reserves the rights to interpret 

and amend the content of this document at any time without prior 

notice.

SYSMAX Innovations Co., Ltd.

TEL: +86-20-83862000

FAX: +86-20-83882723

E-mail: [email protected]

Web: www.nitecore.com

Address: 24/F, TCL Plaza, No. 18 Haizhou Road,

 

Haizhu District, Guangzhou,

 

510335, Guangdong, China

Thanks for purchasing NITECORE!

Please find us on facebook : NITECORE Flashlight

TUBE250222

Made in China

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