® Digicharger D2 User Manual
The All-Round Flashlight Expert
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.
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.
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)
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.
Thanks for purchasing NITECORE!
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