The Nitecore D2 Digicharger is a highly advanced, fully automated universal charger engineered to provide intelligent and efficient charging for a wide range of cylindrical rechargeable batteries. Designed with simplicity and performance in mind, the D2 accommodates virtually all common lithium-ion, nickel-metal hydride, and nickel-cadmium cells, making it an indispensable tool for users who rely on rechargeable batteries in their daily activities, from flashlight enthusiasts and photographers to electronics technicians and vapers. With its sleek design and intuitive operation, the D2 offers a seamless charging experience by combining cutting-edge technology with user-friendly functionality.

At the heart of the Nitecore D2 is a dual-channel system, each slot controlled independently by a dedicated microcomputer. This means that two batteries can be charged at the same time, even if they differ in chemistry, size, or capacity. The charger automatically detects the battery type upon insertion, eliminating the need for manual setup or configuration. Once the battery is inserted, the D2 analyzes its characteristics and selects the optimal charging mode, whether it be constant current, constant voltage, or trickle charge. This intelligent system not only simplifies the process for the user but also enhances battery health by ensuring each cell is charged in the safest and most efficient way possible.

The real-time feedback provided by the D2 is one of its most distinguishing features. A clear and informative LED display shows vital data for each charging slot, including battery type, charging mode, voltage, current, and the overall progress of the charge cycle. This screen offers users full visibility of the charging process, which can be especially useful when monitoring the condition and performance of older or heavily used batteries. The charger’s ability to communicate so precisely with the user sets it apart from more basic chargers and places it among the top-tier solutions for battery management.

The D2 supports an impressive array of battery sizes and chemistries. For lithium-ion cells, it is compatible with formats such as 26650, 22650, 18650, 17670, 18490, 17500, 18350, 16340 (RCR123), 14500, and 10440. For Ni-MH and Ni-Cd batteries, it supports standard household sizes including AA, AAA, AAAA, and C. This broad compatibility makes the D2 incredibly versatile, suitable for use across a wide range of applications from portable lighting and photography gear to radios, meters, and other battery-powered devices. With a charge current of 500mA per slot, it provides a balanced rate suitable for preserving battery integrity while maintaining respectable charging speeds.

Safety is deeply integrated into the design of the Nitecore D2. The charger automatically stops the charging process once the battery reaches full capacity, preventing overcharging and protecting the cell from heat or chemical degradation. The microcomputer also includes reverse polarity protection, which safeguards the charger and battery if a cell is inserted incorrectly. These features work together to ensure safe operation at all times, making the D2 a reliable choice for novice and experienced users alike. Additionally, the charger is certified for international use, operating on both AC and DC power inputs, with an AC range of 100–240V at 50/60Hz and a DC input of 12V at 1A, making it adaptable to global power standards and suitable for both stationary and mobile charging environments.

Physically, the Nitecore D2 is compact and lightweight, measuring just 143mm in length, 74mm in width, and 36mm in height, and weighing only 168 grams without batteries or cables. This makes it portable enough to be carried in a bag or gear case without adding bulk, yet sturdy enough for everyday use on a workbench or nightstand. Its robust construction and thoughtful layout reflect Nitecore’s commitment to producing durable, high-performance charging solutions that are both practical and stylish.

One additional note about authenticity highlights Nitecore’s dedication to product integrity. Each genuine unit includes a validation sticker on the box, which can be scratched off to reveal a unique code. This feature allows users to verify the authenticity of their charger through Nitecore’s official channels, ensuring they are using a certified product that meets all the brand’s safety and performance standards.

In conclusion, the Nitecore D2 Digicharger is a powerful, intelligent, and exceptionally versatile battery charger that streamlines the process of recharging multiple battery types. Its automatic detection and charging capabilities, combined with clear display feedback and comprehensive safety protections, make it an ideal solution for users seeking both simplicity and precision in their battery management routines. Whether for home use, travel, or professional applications, the D2 offers reliability, efficiency, and peace of mind in a sleek and compact form.

Note: Authentic Nitecore charger has a validation number on the box. Scratch off the validation sticker to get your validation number.

Input: AC 100-240V 50/60Hz 0.35A(MAX), DC 12V 1A
Output voltage: 4.2V ±1% / 3.7V ±1% / 1.48V ±1%
Output current: 500mA x 2
Dimensions: 5.6" (143mm) — 2.9" (74mm) — 1.4" (36mm)
Weight: 6oz (168g) (without batteries and power cord)
Compatible battery types:    
Li-ion (26650, 22650, 18650, 17670, 18490, 17500, 18350, 16340(RCR123), 14500, 10440).
Ni-MH and Ni-Cd (AA, AAA, AAAA, C) rechargeable batteries

SHIPPING
The final shipping cost and estimated delivery timeframe will be available to you during checkout. Currently, we offer 3 International shipping methods which are steady and easy to track. Priority worldwide shipping, Premium ( Partial countries) and a faster Express shipping. The estimated times stated below are not guaranteed. An international package could experience delays like postal strikes or severe weather or Cov-19 situation. All shipping ways, PO Box address is not acceptable.

If you don’t receive your order within the estimated time frame provided below and suspect that it might be lost in transit, please contact Flashlightgo Support ( support@flashlightgo.com ) and we can look into the order with the courier. Lost-in-transit requests must be submitted to Flashlightgo Support within 3 months of the date of shipping or before the courier archives the tracking information.

Option 1.
Express by DHL/UPS/Fedex/Aramax/SF etc ( there may be tax need to pay in this way),
The estimated time of delivery is usually 3-7 work days depending on the country. Includes detailed tracking and confirmation of delivery.

Option 2.
Premium ( 6-10days, All tax and Duty Paid),
All tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Option 3.
Priority shipping(1-2 Weeks, average 10 days)
If we marked it is with all tax and duty paid, all tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

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To ensure that you get the desirable product, we allow a seven-day product return period. Any product return application outside this period will not be entertained.
All returned product must be unused and the original package should be kept.

Return：
We do not offer return for personal products like socks and hats or food, magazine and fragile or dangerous products The original receipt must be available for application of return.

Discount products：
No product return for discount products

Gifts products：
If the item is marked as a gift when purchased and shipped directly to you, it cannot be exchanged , refunded or warranty.

Exchange：
We only replace items if they are defective or damaged.
Exchange service are offered only to wrong deliveries or product damage not caused by client. If needed, please email to info@flashlightgo.com.

Warranty
How long is the warranty period?
Flashlightgo warrants to the original purchaser that the Product(s) shall be free of any defect in material or workmanship for a period of one year for labor and one year for parts from the date of the original order except the items listed below:
Chargers,Batteries and Other Accessories: 3 months warranty

Should the Product(s) supplied by Flashlightgo prove defective because of improper workmanship or material as reasonably determined by us, Flashlightgo agrees, at its option, to either repair or replace the Product free of charge, excluding any shipping or handling charges.

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