Description
check_circle 18650/21700
What’s cool:
- Capable of charging 2 batteries simultaneously and controlling each slot independently
- Up to 3,000mA charging speed in a single slot
- Compatible with Li-ion and Ni-MH/Ni-Cd batteries with automatic detection
- Automatic detection of battery power level and automatic selection of appropriate voltage and charging mode
- Automatic selection between 3 charging modes (CC, CV, and - dV/dt)
- Automatic detection of large/small capacity batteries and automatic selection of appropriate charging current
- Automatic termination upon charging completion
- Reverse polarity and short circuit protection
- Over-discharged battery activation
- Overtime charging protection
Compatible with:
- 3.6V/3.7V IMR/Li-ion: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 21700, 22500, 22650, 25500, 26500, 26650, 26700
- 1/2V Ni-MH/Ni-Cd: AA, AAA, AAAA, C, D
Technical stuff:
- Input: 5V - 2A; 9V - 2A, 12V - 1.5A, 18W (MAX)
- Output: 4.2V +/-1% | 1.48V +/-1%
- Fast Charge Mode: 3,000mA*1 MAX; 1,500mA*2 MAX; NOTE: When charger is powered by QC/PD supportive device or connected to a QC/PD adapter, the single-slot max output will achieve 3,000mA
- Standard Mode: 2,000mA*1 MAX; 1,000mA*2 MAX
What’s in the box:
- Nitecore Ci2 Battery Charger
- USB - type C power cord
- User Manual with Warranty Details
- Nitecore Worldwide Warranty Service card
- Scratch-off validation serial number (located on exterior box)
⚠ Important Safety Warnings
Improper use of a battery charger can result in overcharging, short circuits, or damage to the battery, causing FIRE, EXPLOSION, or ELECTRICAL SHOCK. Users must follow all safety guidelines to ensure proper operation. Click here to review the full safety guidelines.
-
Device Compatibility:
- Use the charger only for compatible battery types and sizes as specified by the charger manufacturer. Ensure the charger is appropriate for the battery chemistry, size, and protection status (e.g., unprotected or protected cells).
- Do not charge non-rechargeable batteries (e.g., alkaline or primary cells).
-
Proper Use:
- Only charge batteries in a fireproof or non-flammable area. Avoid charging on beds, couches, or other flammable surfaces.
- Do not force a battery into the charger slot if it does not fit properly. This can damage the charger or battery and may result in unsafe charging conditions.
- Inspect batteries before charging: Do not charge if the battery casing, wrapper, or terminals are damaged, dented, leaking, or bulging.
- Never leave batteries unattended while charging. Monitor the charging process, and unplug the charger when charging is complete.
- Avoid exposing the charger to liquids, high heat, or direct sunlight.
-
Inspection:
- Do not use the charger if the power cord, plug, or device is damaged.
- Inspect both the charger and the battery for any signs of damage before use.
-
Storage & Handling:
- Keep the charger away from children and pets.
- When not in use, unplug the charger and store it in a cool, dry place.
-
Prohibited Activities:
- Do not modify or disassemble the charger.
- Do not attempt to repair a damaged charger—replace it with a new one.
- Avoid using extension cords or adapters that exceed the manufacturer’s recommendations.
-
Emergency Response:
- If the charger or battery emits smoke, sparks, or a burning smell, disconnect the power immediately and move the battery and charger to a safe area.
- In case of fire, use a Class D fire extinguisher or sand to extinguish the flames.
Disclaimer
IMR Batteries is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Battery chargers must only be used with compatible battery types and operated in accordance with manufacturer instructions. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to their customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.