Nitecore D2 Manual

Nitecore Batterioplader D2

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Side 1/2

Digicharger D2

®User Manual

The Nitecore D2 is a universal smart charger compatible with almost

all cylindrical rechargeable batteries, thus eliminating the need to

own several chargers. The D2 automatically detects Li-ion, Ni-MH

and Ni-Cd batteries, and through manual selection is also capable of

charging LiFePO4 batteries. Intelligent charging circuitry selects the

optimal charging mode (CC, CV and dV/dt) for a given battery and

each of the D2’s two microcomputer-controlled charging slots then

monitors and charges the battery independently. Furthermore, an

integrated digital LCD screen clearly displays charging progress,

voltage, current and time while an intelligent automatic power-off

function terminates current when charging is complete.

The Nitecore D2: The world’s most advanced fully-automatic digital

charger. It’s as simple as insert, detect and charge.

Features

• Capable of charging 2 batteries simultaneously

• Each of the two battery slots monitors and charges independently

• Compatible with and identifies Li-ion (26650, 22650, 18650, 17670,

18490, 17500, 18350, 16340(RCR123), 14500, 10440), Ni-MH and

Ni-Cd (AA, AAA, AAAA, C) rechargeable batteries

• Optimized charging design for IMR batteries

• Integrated LCD panel clearly displays charging parameters and

progress

• Two conveniently located side buttons allow easy selection of

specific battery types and charging parameters

• Intelligent circuitry detects the battery type and status before

entering automatic charge mode (CC, CV, dV/dt)

• Automatically detects battery power status and selects the

appropriate voltage and charge mode (with the exception of

LiFePO4 batteries which require manual selection)

• Compatible with LiFePO4 batteries

• Compatible with small capacity batteries

• Automatically stops charging when complete

• Features over-charge prevention to protect batteries

• Features temperature monitoring to prevent overheating

• Made from durable ABS (fire retardant / flame resistant)

• Features reverse polarity protection

• Designed for optimal heat dissipation

• Certified by RoHS, CE, FCC and CEC

• Insured worldwide by Ping An Insurance (Group) Company of

China, Ltd.

Specifications

Input: AC 100-240V 50/60Hz 0.25A(MAX), DC 12V 1A

Output voltage: 4.2V ±1% / 3.7V ±1% / 1.48V ±1%

Output current: 500mA x 2

Compatible with:

Li-ion / IMR / LiFePO4: 26650, 22650, 18650, 17670, 18490, 17500,

18350, 16340 (RCR123), 14500, 10440

Ni-MH / Ni-Cd: AA, AAA, AAAA, C

Dimensions: 143mm× 74mm×36mm

Weight: 168g (without batteries and power cord)

Thanks for purchasing NITECORE!

The All-Round Flashlight Expert

Operating instructions

1. Plug one end of the power cord or car charging adapter into the

D2 charger. Plug the other end of the cord into an applicable outlet.

The LCD display and all battery indicator bars will illuminate as the

charger runs a quick self-test. When testing is complete, the name

of the product will appear on the screen, the bars will dim and the

charger will enter into stand-by mode. If no batteries are detected

within 1 minute, the charger will automatically enter Eco Mode (the

LCD backlight will turn off). When a battery is installed while in Eco

Mode, simply press any button to activate the LCD display.

2. The D2 features two charging slots, each of which charges and

monitors a battery independently. Rechargeable batteries of differing

chemistries and voltages may be charged simultaneously using

either 1 or 2 of the charging slots. When inserting a battery, ensure

the positive and negative ends correspond with the positive (+) and

negative (-) symbols on the charger. Incorrect installation will result

in failure to initiate the charging process.

Note: The D2 is capable of charging 3.7v Li-ion rechargeable cells,

1.2v, Ni-MH/Ni-Cd rechargeable batteries and 3.2v LiFePO4

batteries. See above for description of battery sizes.

3. When a battery is first inserted the D2 will run a short test causing

the battery indicators bars to illuminate in sequence from the bottom

to the top. When the test is complete, the D2 will enter into charging

mode. If any unusual circumstances have been detected, e.g. a

backward battery installation, the battery indicator bars will blink

rapidly and “Err” will be presented on the screen to urge an

immediate removal of the battery.

4. While in charging mode, the battery indicator bars will blink

rhythmically to indicate the on-going charging process. The battery’s

power status and charging progress is indicated by the number of

bars that illuminate steadily. The LCD display will also display

battery voltage, followed by charging current and elapsed charging

time in sequence. Pressing the side “MODE” button will cycle

through these charging parameters. To view the charging progress

of a different charging slot press the side “SLOT” button to select a

desired slot. When charging is complete, all five battery indicator

bars will illuminate steadily and “Chg.Finish” will appear on the LCD

display.

Note: When one or two batteries are charged in D2, each charging

slot will receive a maximum output current of 0.5A.

Charging LiFePO4 batteries

To charge LiFePO4 batteries, simply press and hold the side

“MODE” button for more than 2 seconds right after the battery test

completes and “LiFePO4” will appear on the LCD display to indicate

the activation of LiFePO4 charging mode. To exit LiFePO4 charging

mode, simply press and hold the side “MODE” for more than 2

seconds once again, or remove and reinstall the battery.

Charging Small Capacity Batteries

When charging batteries with a capacity lower than 750mAH (e.g.

AAA, 10440 and 16340 batteries), a low charging current is

recommended to help extend battery life.

SYSMAX Industry Co., Ltd.

TEL: +86-20-83862000

FAX: +86-20-83882723

E-mail: info@nitecore.com

Web: www.nitecore.com

Address： Rm1401, Glorious Tower, 850 East Dongfeng Road,

Guangzhou, China 510600

Please follow our facebook for more info: NITECORE Flashlights

Thanks for purchasing NITECORE!

The All-Round Flashlight Expert

To select a low charging current, while in regular charging mode,

simply press the side “SLOT” button to select a desired battery slot

and then press and hold the side “MODE” button for more than 1

second until “LOW” is displayed on the LCD display indicating

activation of low current charging mode. To exit, simply press and

hold the side “MODE” button for more than 1 second once again or

remove and reinstall the battery.

Nocturnal Charging Mode

When charging a battery overnight, nocturnal charging mode is

recommended. Simply press and hold the side “SLOT” button for

more than 1 second in any state until the LCD backlight turns off

thus activating nocturnal charging mode. This feature ensures a

peaceful night’s sleep without being disturbed by the D2’s LCD

backlight and blinking LEDs. To exit nocturnal mode and turn the

backlight on again, press and hold the side “SLOT” button for more

than 1 second again.

Battery Activation

For every installed battery, the D2 will activate the battery by

charging it for 6 seconds at a low current. If zero voltage is detected,

“Err” will be displayed on the LCD screen. If activation fails the first

time, please remove and reinstall the battery once again and

activate for the second time.

Note: The D2 is not recommended for use with over-discharged

(zero volt) UNPROTECTED Li-ion batteries. Li-ion batteries without

a protection circuit can potentially cause a fire or explosion.

Overtime Prevention

The D2 is equipped with an advanced ‘overtime’ safety function. The

D2 will individually monitor the elapsed charging time for each

battery slot and if a particular slot exceeds 20 hours, the D2 will

automatically power off the slot and display full charging bars to

indicate completion of the charging process. This feature reduces

the risk caused by batteries of lesser quality.

Precautions

1. The D2 is compatible with batteries of varying sizes, therefore

when charging certain batteries (such as 26650 and AAA), manual

adjustment of the battery’s position within the slot is recommended,

as to ensure solid contact is made between both sides of the battery

and the charging slot’s metal contact points.

2. The D2 is restricted to charging Li-ion, IMR, LiFePO4,

Ni-MH/Ni-Cd rechargeable batteries only. Never use the D2 with

other types of batteries as this could result in battery explosion,

cracking or leaking, causing property damage and/or personal injury.

3. The D2 should only be used indoors or inside a motor vehicle and

under no circumstances should it be exposed to water, high humidity

and low or high ambient temperatures.

4. Do not disassemble or modify the charger.

5. Children under the age of 18 should be supervised by an adult

when using the D2.

6. The D2’s safe operating temperature is between 0ºC--40ºC。

7. Do not use or store the charger near open flames, direct sunlight,

heating devices or other high-temperature environments.

Warranty Service

All NITECORE® products enjoy a comprehensive after sale warranty

service. A malfunctioning NITECORE® D2 charger may be

exchanged for a replacement by a local authorized distributor/dealer

within the first 15 days of receipt by the end user. After 15 days and

up to 12 months, the D2 may be sent to an authorized

distributor/dealer for repair. Beyond 12 months, the warranty covers

labor costs and maintenance with the exclusion of accessories or

replacement parts.

The warranty is nullified in any of the following situations:

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

under unauthorized conditions.

2. The product(s) is/are damaged through improper use.

3. The product(s) is/are damaged by leakage of batteries.

For further details of Nitecore’s warranty service, please contact a

regional distributor/dealer or send an email to service@nitecore.com

The Nitecore official website shall prevail in case of any product data

changes.

Chg. Status

Chg. Finish

Chg. Time

Chg. Mode

CC CV

-dV/dt Low

Li-ion

NiMH / NiCd

LiFePO4

Professional Charger Series

Produkt Specifikationer

Mærke:	Nitecore
Kategori:	Batterioplader
Model:	D2

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