Nitecore D2 Digi Universal Battery Charger

Dual Independent Smart Bay Charging: Features two fully independent, micro-controller managed charging slots capable of charging two different battery types or chemistries simultaneously.

Broad Multi-Chemistry Compatibility: Automatically identifies and charges IMR, Li-ion, LiFePO4, Ni-MH, and Ni-Cd cylindrical rechargeable batteries (including 18650, 26650, 14500, 16340, AA, AAA, C, and more).

High-Definition LCD Display: Crisp integrated digital screen displays real-time charging progress, voltage, current, elapsed charging time, and battery type for each channel.

Intelligent Auto-Detection: Automatically detects battery status and selects the appropriate voltage and charge mode (CC, CV, or dV/dt) for optimal power replenishment.

Optimized IMR Charging Mode: Incorporates specialized charging algorithms designed to safely recharge IMR lithium cells without damaging internal resistance structures.

Comprehensive Safety Protections: Features reverse polarity protection, over-charge prevention, integrated thermal temperature monitoring, and flame-retardant casing construction.

Housing & Casing Style: Fire-retardant ABS housing with side heat dissipation fins and spring-loaded stainless steel slider contacts.

Contact & Terminal Style: Durable, low-resistance nickel-plated slider terminals, direct AC mains power socket, and 12V DC input jack.

Technical Specifications:

Input Voltage: AC 100V – 240V (50/60Hz) 0.25A (Max) or DC 12V 1A.

Output Voltage: 4.2V -+ 1% / 3.7V -+ 1% / 1.48V -+ 1%.

Output Current: 500mA x 2.

Supported Battery Types: Li-ion / IMR / LiFePO4 (26650, 22650, 18650, 17670, 18490, 17500, 17335, 16340/RCR123, 14500, 10440), Ni-MH / Ni-Cd (AA, AAA, AAAA, C).

Color: Black plastic casing with high-contrast backlit LCD screen.

Usage Advice: Verify cell chemistry before insertion. To charge LiFePO4 batteries, manually select LiFePO4 mode by pressing and holding the side switch.

Maintenance: Keep spring slider contacts clean, dry, and free of dust or oxidation. Unplug from power when not in active use.

Essential Universal Diagnostic Station: Position as the gold-standard desktop charger for flashlight enthusiasts, vape users, battery pack builders, and technicians needing reliable real-time diagnostic reporting.

Highlight LCD Analytics & Broad Compatibility: Emphasize the clear LCD readout and auto-detecting multi-chemistry capabilities that take all guesswork out of cylindrical battery charging.

Recommended Cross-Sell Add-ons: Pair with LiitoKala Lii-500 Lithium And NiMH Battery Charger, Dual Charger for 18650 14500 16430 Li-Ion, Battery Charger for AA / AAA NI-MH/NiCd, and 18650 lithium battery charger.

Featured Collection Hero: Display prominently on your Nitecore Battery Charger collection page as your featured digital dual-slot smart charger.