TUBE V2.0 - Flashlight Nitecore - Free user manual and instructions

Product Type	Flashlight (keychain)
Brand	Nitecore
Model	TUBE V2.0
Max Output	55 lumens
Runtime (High)	1 hour 15 minutes
Runtime (Low)	58 hours
Beam Angle	100° flood
Charging Time	Approx. 1.5 hours
Input	Micro-USB (5V)
Battery	Built-in rechargeable Li-ion (125mAh)
Dimensions	56.5 mm × 21 mm × 8 mm (2.22" × 0.83" × 0.31")
Weight	9.6 g (0.34 oz) including battery
Material	Durable polycarbonate (PC)
Impact Resistance	1 meter
IP Rating	IP65 (dust-tight, water jets)
Key Ring Capacity	Up to 35 kg (77 lbs)
Switch Type	Single button (one-hand operation)
Modes	Low, High, Momentary, Infinitely Variable (1-55 lm), Lockout
Special Features	Advanced Power Cut-Off (APC), Intelligent charging circuit
Accessories Included	Key ring
Warranty	24 months free repair (defects), limited after

Frequently Asked Questions - TUBE V2.0 Nitecore

How do I turn on the light?

Press the power button once for Low mode (1 lumen). Double-press for High mode (55 lumens). Press and hold for over 1 second for momentary illumination (High).

How do I adjust brightness continuously?

From off, short press then long press the power button. The brightness ramps from 1 to 55 lumens. Release to lock in the desired level. This mode has no memory.

How do I charge the TUBE V2.0?

Connect a Micro-USB cable to the port on the side and plug into a USB adapter or computer. The blue indicator stays on during charging and turns off when fully charged (approx. 1.5 hours).

Can I use the light while charging?

Yes, the TUBE V2.0 can be activated normally during the charging process.

How do I lock the light to prevent accidental activation?

While the light is on, press and hold the power button for over 3 seconds until the LED flashes once. To unlock, press and hold again for over 3 seconds. Charging automatically unlocks the light.

What is the maximum runtime?

On Low (1 lumen), runtime is up to 58 hours. On High (55 lumens), runtime is up to 1 hour 15 minutes. Infinitely variable brightness gives runtime between these extremes.

Is the battery replaceable?

No, the battery is built-in and not user-replaceable. It is a rechargeable Li-ion battery (125mAh).

How water-resistant is the TUBE V2.0?

It is rated IP65, meaning it is dust-tight and protected against water jets from any direction. Do not submerge.

What should I do if the light becomes dim or unresponsive?

Recharge the light as soon as possible. The battery may be low. If problems persist, contact Nitecore support.

How should I store the flashlight for long periods?

Recharge the battery every 3 months when stored unused to prevent deep discharge. Keep in a cool, dry place.

USER MANUAL TUBE V2.0 Nitecore

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

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

- Wide range 100" hood beam - Constructed from durable PC

- 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 HIGHLOW
	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.)

Technical line drawing of a mechanical component with attached cable (no text or symbols)

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 [e-mail]

※ 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: [phone] FAX: [phone]

F-mail: [e-mail]

Web: www.nitecore.com

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

Haizhu District, Guangzhou,

510335, Guangdong, China

Made in China

Thanks for purchasing NITECORE!

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NITECORE®

奈特科尔

TUBE V2.0 U极灯说明书

产品特性

Technical line drawing of a mechanical component with connectors and wiring (no text or symbols)