{"product_id":"nitecore-ci2-usb-c-battery-charger","title":"Nitecore Ci2 USB-C Battery Charger","description":"\u003ch2\u003eProduct Information\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNitecore Ci2 USB-C Battery Charger\u003c\/strong\u003e is an intelligent dual-slot charger designed for rechargeable Li-ion, IMR, Ni-MH and Ni-Cd batteries. Compact and easy to use, it can charge two batteries at the same time while controlling each charging slot independently, making it particularly useful for rechargeable \u003cstrong\u003e18650 and 21700 vape batteries\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith support for \u003cstrong\u003eQC and PD fast-charge input\u003c\/strong\u003e, the Nitecore Ci2 can deliver a maximum charging current of \u003cstrong\u003e3000mA to a single slot\u003c\/strong\u003e or up to \u003cstrong\u003e1500mA per slot when charging two compatible batteries\u003c\/strong\u003e in Fast Charge Mode. The charger automatically detects the inserted battery, selects an appropriate charging current and stops charging once the battery is full.\u003c\/p\u003e\n\u003cp\u003eIf you use a vape kit or mod with removable batteries, an external intelligent charger provides a convenient way to keep spare cells charged and ready. Browse our full range of \u003ca href=\"https:\/\/www.mycigara.com\/collections\/chargers\"\u003evape chargers\u003c\/a\u003e, rechargeable \u003ca href=\"https:\/\/www.mycigara.com\/collections\/batteries\"\u003evape batteries\u003c\/a\u003e and dedicated \u003ca href=\"https:\/\/www.mycigara.com\/collections\/18650-batteries\"\u003e18650 batteries\u003c\/a\u003e to complete your setup.\u003c\/p\u003e\n\u003ch3\u003eFast USB-C Charging with QC \u0026amp; PD Support\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNitecore Ci2 charger\u003c\/strong\u003e has a USB-C input capable of accepting up to \u003cstrong\u003e18W\u003c\/strong\u003e. When connected to a compatible Quick Charge or Power Delivery power source, Fast Charge Mode enables a maximum charging current of \u003cstrong\u003e3000mA with one battery\u003c\/strong\u003e or \u003cstrong\u003e1500mA per slot with two batteries\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith a standard power source, the charger operates at up to \u003cstrong\u003e2000mA with one battery\u003c\/strong\u003e or \u003cstrong\u003e1000mA per slot when two batteries are charging\u003c\/strong\u003e. Actual charging current is determined automatically according to the battery type, capacity and available input power.\u003c\/p\u003e\n\u003ch3\u003eIntelligent Dual-Slot Charging\u003c\/h3\u003e\n\u003cp\u003eBoth charging bays on the Nitecore Ci2 operate independently. This means the charger monitors each inserted battery separately rather than treating both slots as a single charging channel.\u003c\/p\u003e\n\u003cp\u003eOnce a compatible battery is inserted, the Ci2 detects its type and power level before automatically selecting an appropriate charging voltage, charging current and charging method. Depending on the battery chemistry, it can automatically use \u003cstrong\u003econstant current (CC), constant voltage (CV) or -dV\/dt charging\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow to Use the Nitecore Ci2 Battery Charger\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the charger:\u003c\/strong\u003e Connect the Nitecore Ci2 to a suitable USB power source using the supplied USB-C charging cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert your battery:\u003c\/strong\u003e Place a compatible rechargeable battery into either charging slot, carefully following the positive (+) and negative (-) polarity markings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow automatic detection:\u003c\/strong\u003e The Ci2 will detect the battery and automatically select an appropriate charging current and mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the indicators:\u003c\/strong\u003e The green LEDs flash during charging to indicate the approximate battery level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge indication:\u003c\/strong\u003e A steady red indicator shows that the corresponding slot is operating in Fast Charge Mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWait for completion:\u003c\/strong\u003e Three steady green indicators show that charging is complete. The charger automatically terminates charging when the battery is full.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the battery:\u003c\/strong\u003e Disconnect or remove fully charged batteries when convenient and store them safely until required.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eNitecore Ci2 LED Indicators\u003c\/h3\u003e\n\u003cp\u003eThe Ci2 uses straightforward LED indicators so you can check charging progress at a glance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 Green Indicator:\u003c\/strong\u003e Approximately 30% battery level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 Green Indicators:\u003c\/strong\u003e Approximately 80% battery level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Green Indicators:\u003c\/strong\u003e Battery fully charged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed Indicator:\u003c\/strong\u003e Fast Charge Mode is active\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapidly Flashing Green \u0026amp; Red Indicators:\u003c\/strong\u003e The charger has detected an issue such as reversed polarity, a short circuit or an unsuitable\/damaged battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e18650 \u0026amp; 21700 Vape Battery Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe Nitecore Ci2 is particularly useful for vapers using advanced devices with removable batteries. Two of the most common formats used by modern \u003ca href=\"https:\/\/www.mycigara.com\/collections\/vape-mods\"\u003evape mods\u003c\/a\u003e are \u003cstrong\u003e18650 and 21700 batteries\u003c\/strong\u003e, and both are officially supported by the Ci2.\u003c\/p\u003e\n\u003cp\u003eThe charger is not limited to vape batteries, however. Its adjustable dual-slot design supports a wide selection of rechargeable cylindrical Li-ion\/IMR cells alongside rechargeable Ni-MH and Ni-Cd household batteries.\u003c\/p\u003e\n\u003ch6\u003eCompatible Batteries\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIMR \/ Li-ion:\u003c\/strong\u003e 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 21700, 22500, 22650, 25500, 26500, 26650 and 26700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNi-MH \/ Ni-Cd:\u003c\/strong\u003e AA, AAA, AAAA, C and D rechargeable batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Only charge rechargeable batteries that are compatible with the Nitecore Ci2. Do not attempt to recharge disposable or otherwise non-rechargeable batteries.\u003c\/p\u003e\n\u003ch3\u003eNitecore Ci2 Charging Safety\u003c\/h3\u003e\n\u003cp\u003eThe Ci2 includes several automatic safeguards designed to make charging rechargeable batteries more straightforward. Reverse polarity and short-circuit protection detect incorrectly installed or problematic cells, while overtime charging protection provides an additional layer of protection during extended charging cycles.\u003c\/p\u003e\n\u003cp\u003eFor vape batteries, always inspect the battery before charging. Do not use or charge a battery with a torn wrap, damaged insulation, dents or other visible damage. Insert each cell according to the polarity markings and only use rechargeable batteries that are within the charger manufacturer's stated compatibility range.\u003c\/p\u003e\n\u003ch6\u003eSpecifications\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Nitecore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Ci2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharger Type:\u003c\/strong\u003e Intelligent dual-slot battery charger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Slots:\u003c\/strong\u003e 2 independent charging slots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Connection:\u003c\/strong\u003e USB-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e 5V\/2A, 9V\/2A or 12V\/1.5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Input:\u003c\/strong\u003e 18W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 4.2V ±1% \/ 1.48V ±1%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge Mode – 1 Slot:\u003c\/strong\u003e Up to 3000mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge Mode – 2 Slots:\u003c\/strong\u003e Up to 1500mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Mode – 1 Slot:\u003c\/strong\u003e Up to 2000mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Mode – 2 Slots:\u003c\/strong\u003e Up to 1000mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast-Charge Input:\u003c\/strong\u003e QC \/ PD supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Chemistries:\u003c\/strong\u003e IMR, Li-ion, Ni-MH and Ni-Cd rechargeable batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Modes:\u003c\/strong\u003e CC, CV and -dV\/dt automatically selected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 148mm x 65mm x 37mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 120.4g excluding charging cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Fire-retardant PC material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e RoHS, CE, FCC and CEC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eFeatures\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Independent Charging Slots:\u003c\/strong\u003e Charges up to two compatible rechargeable batteries simultaneously, with each slot controlled independently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 3000mA Fast Charging:\u003c\/strong\u003e Delivers up to 3000mA through a single slot when used with a compatible QC or PD power source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC \u0026amp; PD Input Support:\u003c\/strong\u003e Supports Quick Charge and Power Delivery input for faster charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C Input:\u003c\/strong\u003e Convenient USB-C power connection with an 18W maximum input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Battery Detection:\u003c\/strong\u003e Identifies compatible battery types and automatically selects the appropriate voltage, charging mode and charging current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Battery Compatibility:\u003c\/strong\u003e Supports numerous IMR\/Li-ion battery sizes including popular 18650 and 21700 cells, plus rechargeable AA, AAA, AAAA, C and D batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Charge Termination:\u003c\/strong\u003e Stops charging automatically once a battery reaches full charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Charging Indicators:\u003c\/strong\u003e Displays charging status and approximate battery level for each slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Charging Modes:\u003c\/strong\u003e Automatically selects between CC, CV and -dV\/dt charging methods according to the battery type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Polarity Protection:\u003c\/strong\u003e Detects incorrectly inserted batteries and prevents charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Automatically stops charging when a short circuit is detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvertime Charging Protection:\u003c\/strong\u003e Provides an additional safeguard against excessively long charging cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver-Discharged Battery Activation:\u003c\/strong\u003e Can detect and activate certain over-discharged protected Li-ion batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire-Retardant Construction:\u003c\/strong\u003e Manufactured from durable fire-retardant PC material with an optimised heat-dissipation design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eWhat's in the Box?\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Nitecore Ci2 Intelligent Dual-Slot Battery Charger\u003c\/li\u003e\n\u003cli\u003e1 x USB-C Charging Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Nitecore Ci2 charge 18650 batteries?\u003c\/strong\u003e\u003cbr\u003eYes. 18650 rechargeable Li-ion\/IMR batteries are officially supported by the Nitecore Ci2, making it suitable for many vape mods and other devices powered by removable 18650 cells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Nitecore Ci2 charge 21700 batteries?\u003c\/strong\u003e\u003cbr\u003eYes. The Ci2 is officially compatible with rechargeable 21700 Li-ion\/IMR batteries as well as 18650 cells and numerous other cylindrical battery sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Nitecore Ci2 charge two batteries at the same time?\u003c\/strong\u003e\u003cbr\u003eYes. It has two independently controlled charging slots and can charge two compatible batteries simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast does the Nitecore Ci2 charge?\u003c\/strong\u003e\u003cbr\u003eWith a compatible QC or PD power source, Fast Charge Mode provides up to 3000mA when using one charging slot or up to 1500mA per slot when charging two suitable batteries simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to select the charging current manually?\u003c\/strong\u003e\u003cbr\u003eNo. The Nitecore Ci2 automatically detects compatible battery characteristics and selects an appropriate charging current, voltage and charging mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Nitecore Ci2 use USB-C?\u003c\/strong\u003e\u003cbr\u003eYes. The charger uses a USB-C input and supports a maximum input of 18W with 5V\/2A, 9V\/2A and 12V\/1.5A power profiles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Nitecore Ci2 support Quick Charge or USB Power Delivery?\u003c\/strong\u003e\u003cbr\u003eYes. Both QC and PD input are supported. A compatible QC or PD power source is required to access the charger's maximum Fast Charge Mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Nitecore Ci2 stop charging automatically?\u003c\/strong\u003e\u003cbr\u003eYes. The charger automatically terminates charging once it detects that the battery is fully charged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the lights on the Nitecore Ci2 mean?\u003c\/strong\u003e\u003cbr\u003eThe green LEDs indicate approximate battery charge level, with three steady green indicators showing a full battery. A steady red light indicates Fast Charge Mode. Rapid flashing of the green and red indicators can indicate an error such as reversed polarity or a short circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Ci2 charge AA and AAA batteries?\u003c\/strong\u003e\u003cbr\u003eYes, provided they are rechargeable Ni-MH or Ni-Cd batteries. The Ci2 supports rechargeable AA, AAA, AAAA, C and D formats.\u003c\/p\u003e\n\u003ch6\u003eReturns \u0026amp; Warranty\u003c\/h6\u003e\n\u003cp\u003eThe Nitecore Ci2 is classed as hardware. For online purchases, unused hardware can be returned within \u003cstrong\u003e14 days\u003c\/strong\u003e, while faulty hardware claims can be made within \u003cstrong\u003e30 days of purchase\u003c\/strong\u003e. myCigara hardware also carries a \u003cstrong\u003e3-month warranty\u003c\/strong\u003e, subject to the terms of our \u003ca href=\"https:\/\/www.mycigara.com\/pages\/returns-policy\"\u003eReturns Policy\u003c\/a\u003e.\u003c\/p\u003e","brand":"Nitecore","offers":[{"title":"Default Title","offer_id":57436314370423,"sku":"2263115549","price":15.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0253\/9516\/7292\/files\/nitecore-1.webp?v=1788449601","url":"https:\/\/www.mycigara.com\/products\/nitecore-ci2-usb-c-battery-charger","provider":"myCigara","version":"1.0","type":"link"}