EF1 - Flashlight Nitecore - Free user manual and instructions

Product Type	Flashlight
Brand	Nitecore
Model	EF1
Light Source	CREE XP-L HD V6 LED
Max Output	1800 lumens
Beam Distance	200 meters
Peak Beam Intensity	10000 cd
Modes	Turbo, High, Mid, Low, Strobe, SOS
Battery Type	1 x 18650 Li-ion
Charging Interface	USB-C
Dimensions (L x Head Dia)	130 mm x 25 mm
Weight (without battery)	120 g
Body Material	Aerospace-grade aluminum alloy
Waterproof Rating	IP68 (2m submersible)
Impact Resistance	1.5 m
Switch Type	Tail switch (momentary/constant)
Special Features	Temperature regulation, lockout mode, battery reverse polarity protection
Included Accessories	18650 battery, USB-C cable, clip, lanyard, spare O-rings
Maintenance	Clean contacts with alcohol, lubricate O-rings with silicone grease
Safety Features	Overheat protection, over-discharge protection, reverse polarity protection
Repairability	Battery and O-rings user-replaceable; LED module should be serviced by professional

Frequently Asked Questions - EF1 Nitecore

What battery does the Nitecore EF1 use?

The Nitecore EF1 uses a single 18650 Li-ion battery (included).

How do I charge the EF1?

Connect the USB-C cable to the charging port on the flashlight. A red indicator shows charging, green indicates full.

Is the EF1 waterproof?

Yes, it has an IP68 rating, meaning it can be submerged in 2 meters of water for 30 minutes.

How many brightness modes does it have?

It has 6 modes: Turbo, High, Mid, Low, Strobe, and SOS.

How do I lock out the flashlight?

Unscrew the tail cap slightly to disconnect the battery. Alternatively, quickly press the tail switch 4 times to enter lockout mode.

What is the maximum runtime?

On Low mode, the runtime can reach up to 60 hours with a 3400mAh battery.

Does the EF1 have a strobe mode?

Yes, it has a strobe mode for emergency signaling or disorientation.

How do I switch between modes?

Briefly press the tail switch to cycle through brightness modes. For special modes (strobe/SOS), press rapidly twice from Turbo.

Can I use a different battery?

Only use protected 18650 Li-ion batteries with a button top. Unprotected or improper batteries may cause damage.

What is the warranty period?

Nitecore provides a 5-year limited warranty for the flashlight, covering manufacturing defects.

USER MANUAL EF1 Nitecore

1. Structural Features	2
2. Functional Features	3
3. Instructions	3
4. Technical Specifications	3
5. Notes	4
6. Warnings	5
7. Trouble Shooting	5
8. Executive Standards	5

EF1: Explosion-proof LED Flashlight

SYSMAX Innovations Co., Ltd. Address : Rm 2601-06, Central Tower, No.5 Xiancun Road, Tianhe District, Guangzhou, 510623, Guangdong, China

Phone: [phone] FAX: [phone]T23

-1--2--4--5--3

To meet the demand of market, SYSMAX has developed EF1 explosion-proof LED Flashlight. It is suitable for various flammable and explosive sites and underwater operations, serving as portable lighting for electric power industry, metallurgical industry, petroleum industry, railway, army, fire fighting and factories.

1. Structural Features

1.1 With flameproof enclosure and the highest explosion-proof grade, it can be used in various flammable and explosive places for a long time.
1.2 Maintenance-free LED with high luminous efficacy is used as
light source and its life is more than 100 thousands hours.
1.5 Working light, strong light and super strong light are of which can be switched by turning the magnetic knob.
1.4 High-energy and memory-free battery is characterized by large capacity, no pollution, excellent charging, discharging performance and low self-discharge rate.
1.5 The shell is made of imported high hardness alloy, with excellent performance of strike resistance and import resistance.
1.6 It is small, light and easy to carry. Various carrying styles are available, such as held by hand, carried by shoulder, etc.

2. Functional Features

Model: EF1

2.1 The product is lightweight as new techniques are adopted to reduces the burden of operators while carrying and transporting it

2.2 Super long runtime, working light, strong light and super-strong light are optional for users.

3. Instructions

3.1 Working light, strong light and super-strong light are optional

for users 2.2 The mode

1. Technical Specifications

Item Parameters Value Unit
1 Rated voltage			3.6	V
2 Rated capacity				3.4	Ah
3	LED	Current	Working light	<10	mA
			Strong light	1000
5			Super-strong light	3000
6	Continuous operating time		Working light	≥ 420	H
			Strong light	≤ 4	H
8			Super-strong light	≥ 1.2	H
9				≥ 100000h
10	Charging Time			<4	H
11				Weight	0.25	Kg
12				Power	10	W
13				Dimensions	40*40*152	mm
14	Ambient temperatures -20°C			Ta ≤ +40°C °C
15	Connection mode of battery and circuit board			Directly connect

5. Notes

5.1 During transportation or carrying, please ensure the product is

sare from impact in case of accidental activation.

5.2 When it is operated in a high temperature environnier rising temperature of flashlight is normal
5.3 The maintenance of flashlight must be carried out by professional person in safe locations. Please use the battery supplied by our company when exchanging battery (The battery has the circuit which can prevent battery from over-charging, over-discharging and polarity reversal. In this way, battery can operate without leakage.).

5.4 Flashlight should be stored in the dry and well ventilated warehouse, the storage temperature is 0^ +40^ and the relative humidity is not more than 85%.

5.5 Maintenance of battery for an unused product (for more than three months): Discharge the battery completely, and then charge it fully.

5.6 The battery should be taken out from the flashlight for charging, and should be operated in the safe environments. The input voltage is 100\~240V. Output voltage is 4.2V and open circuit voltage is 4.2V.

5.7 Do not open the product when an explosive atmosphere is present

5.8 The using environment of the products is higher than the second kind of environment pollution

5.9 Products used for emergency lighting in dangerous environment with explosive gas or steam, as well as a variety of indoor and outdoor operation (electric power, metallurgy, railway, port, municipal and other industries) factory yard, venue and railway tunnels, bridges, etc., Ambient temperatures: -20^ ≤ Ta ≤ +40

5.10 The head has been tightened in the factory with a special tool whose tightening torque is 150N.m. Disassembly tool is not provided, thus users cannot open the head.

5.11 The tailcap has been tightened in the factory with a special tool whose tightening torque is 100N.m. The tool for tightening the tailcap is provided, users can use the tool to open or tighten the tailcap in non-explosive atmospheres.

6. Warnings

6.1 Avoid direct eye exposure. 6.2 DO NOT disassemble the flashlight, as it may cause potential

6.3 DO NOT crash and strike the flashlight. 6.4 Keep the flashlight away from fire sources. 6.5 Please recycle the discarded flashlight together rather than throwing them away without disposing.

6.6 Explosion-proof Mark: II 2 G Ex d IIC T6 Gb

6.7 Explosion-proof Certificate No: LCIE 16 ATEX 3006

6.8 DO NOT open when an explosive gas atmosphere is present.

6.10 Use the specific charges of SYSMAX to charge

6.11 IP Code: IP54

7. Trouble shooting

7.1 The flashlight does not light or the output is dim.
Reason: The power level of battery is low. Solution: Check if the charger is good, if yes, you may proceed with charging.

8. Executive Standards

GB 3836.1-2010 Explosive atmospheres-Part 1:
Equipment-General requirements
GB 3836.2-2010 Explosive atmospheres-Part 2: Equipment protection by flame-proof enclosure "d"
Equipment protection by name-proof enclosure d
IEC60079-0:2011 Explosive atmospheres-Part 0: Equipment General requirements
Equipment-General requirements
IEC60079-1:2011 Explosive atmospheres-Part 1: Equipment protection by flame-proof enclosure"d"
EN60079-0:2013. Explosive atmosphere-Part 0:
Equipment-General requirements
EN60079-1:2012 Explosive atmospheres-Part 1: Equipment protection by flame-proof enclosure"d"

REV.:A1

REV.:A1

EF1: LED 防爆手电筒说明书

广州希脉创新科技有限公司