{"product_id":"nitecore-ci4-usb-c-battery-charger","title":"Nitecore Ci4 USB-C Battery Charger","description":"\u003ch2\u003eProduct Information\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNitecore Ci4 USB-C Battery Charger\u003c\/strong\u003e is an intelligent four-slot charger designed for rechargeable Li-ion, IMR, Ni-MH and Ni-Cd batteries. With four independently controlled charging bays, it is ideal for users who need to recharge multiple \u003cstrong\u003e18650 or 21700 vape batteries\u003c\/strong\u003e at the same time without managing each cell manually.\u003c\/p\u003e\n\u003cp\u003ePowered through USB-C and compatible with \u003cstrong\u003eQC and PD fast-charge input\u003c\/strong\u003e, the Nitecore Ci4 can deliver up to \u003cstrong\u003e3000mA through a single charging slot\u003c\/strong\u003e. When more batteries are inserted, the charger automatically distributes the available charging current across the active slots while monitoring each battery independently.\u003c\/p\u003e\n\u003cp\u003eThe Ci4 automatically detects compatible battery type and capacity, selects an appropriate charging current and charging mode, and stops charging when each cell is full. If you use a vape mod with removable batteries, browse our full range of \u003ca href=\"https:\/\/www.mycigara.com\/collections\/chargers\"\u003evape chargers\u003c\/a\u003e, \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\u003eFour Independent Battery Charging Slots\u003c\/h3\u003e\n\u003cp\u003eThe main advantage of the \u003cstrong\u003eNitecore Ci4 charger\u003c\/strong\u003e is its four independently controlled charging bays. Instead of treating all four batteries as a single charging group, the charger monitors each slot separately.\u003c\/p\u003e\n\u003cp\u003eThis means you can charge compatible batteries of different capacities or formats at the same time while the Ci4 determines the appropriate charging conditions for each individual cell. For vapers using dual-battery \u003ca href=\"https:\/\/www.mycigara.com\/collections\/vape-mods\"\u003evape mods\u003c\/a\u003e, the four-slot design is particularly useful because two complete sets of batteries can be charged in one charger.\u003c\/p\u003e\n\u003ch3\u003eFast USB-C Charging with QC \u0026amp; PD Support\u003c\/h3\u003e\n\u003cp\u003eThe Nitecore Ci4 uses a USB-C input rated at up to \u003cstrong\u003e18W\u003c\/strong\u003e and supports both Quick Charge and Power Delivery input. When connected to a compatible QC or PD power source, the charger can operate in Fast Charge Mode.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 battery:\u003c\/strong\u003e Up to 3000mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 batteries:\u003c\/strong\u003e Up to 1500mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 batteries:\u003c\/strong\u003e Up to 1000mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 batteries:\u003c\/strong\u003e Up to 750mA per slot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen used without a compatible QC or PD input, Standard Mode provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 battery:\u003c\/strong\u003e Up to 2000mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 batteries:\u003c\/strong\u003e Up to 1000mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 batteries:\u003c\/strong\u003e Up to 700mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 batteries:\u003c\/strong\u003e Up to 500mA per slot\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe maximum figures above apply to suitable higher-capacity Li-ion batteries. The Ci4 automatically lowers the current where required according to the battery type and capacity.\u003c\/p\u003e\n\u003ch3\u003eHow to Use the Nitecore Ci4 Battery Charger\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the charger:\u003c\/strong\u003e Connect the Ci4 to a suitable USB power source using the supplied USB-C charging cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert your batteries:\u003c\/strong\u003e Place up to four compatible rechargeable batteries into the charging slots, following the positive (+) and negative (-) polarity markings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow automatic detection:\u003c\/strong\u003e The charger detects each inserted battery before beginning the charging process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic current selection:\u003c\/strong\u003e The Ci4 selects an appropriate charging current and charging mode according to the battery type and capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the indicators:\u003c\/strong\u003e Green indicators flash while charging to show that the corresponding battery is being charged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge indication:\u003c\/strong\u003e A steady red indicator appears when the charging current for that slot exceeds 1A and Fast Charge Mode is active.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging complete:\u003c\/strong\u003e Three steady green indicators show that the battery in that slot is fully charged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove charged batteries:\u003c\/strong\u003e Remove the cells once charging is complete and disconnect the charger when it is no longer required.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eNitecore Ci4 LED Indicators\u003c\/h3\u003e\n\u003cp\u003eEach charging slot has its own indicator system, allowing you to monitor individual batteries at a glance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlashing Green Indicators:\u003c\/strong\u003e Battery charging is in progress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 Steady Green Indicators:\u003c\/strong\u003e The battery is fully charged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteady Red Indicator:\u003c\/strong\u003e The slot is charging at more than 1A in Fast Charge Mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapidly Flashing Green \u0026amp; Red Indicators:\u003c\/strong\u003e The charger has detected a problem such as reversed polarity, a short circuit or a damaged battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e18650 \u0026amp; 21700 Vape Battery Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe Nitecore Ci4 is well suited to advanced vaping setups because it officially supports both \u003cstrong\u003e18650 and 21700 rechargeable batteries\u003c\/strong\u003e, two of the most common removable cell formats used in modern regulated vape mods.\u003c\/p\u003e\n\u003cp\u003eThe adjustable charging bays also support a much wider range of rechargeable cylindrical cells, allowing the same charger to be used for compatible Li-ion and IMR batteries as well as rechargeable household Ni-MH and Ni-Cd cells.\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 supported by the Nitecore Ci4. Do not attempt to recharge disposable or unsupported battery chemistries.\u003c\/p\u003e\n\u003ch3\u003eNitecore Ci4 Charging Safety\u003c\/h3\u003e\n\u003cp\u003eThe Ci4 includes several automatic protection systems designed to help manage rechargeable batteries safely. Reverse polarity and short-circuit protection detect incorrect installation or electrical faults, while individual slot monitoring allows the charger to stop charging a problematic battery without affecting the other active slots.\u003c\/p\u003e\n\u003cp\u003eThe charger also has \u003cstrong\u003eovertime charging protection\u003c\/strong\u003e. According to Nitecore, each slot is timed independently and charging is automatically stopped if uninterrupted charging exceeds 10 hours.\u003c\/p\u003e\n\u003cp\u003eAlways inspect vape batteries before placing them in the charger. Do not charge cells with damaged wraps, dents, swelling, leakage or other visible damage. Nitecore also advises that batteries should not be left unattended while connected to a power source.\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 Ci4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharger Type:\u003c\/strong\u003e Intelligent four-slot battery charger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Slots:\u003c\/strong\u003e 4 independently controlled 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 – 1 Slot:\u003c\/strong\u003e Up to 3000mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge – 2 Slots:\u003c\/strong\u003e Up to 1500mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge – 3 Slots:\u003c\/strong\u003e Up to 1000mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Charge – 4 Slots:\u003c\/strong\u003e Up to 750mA 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\u003eStandard Mode – 3 Slots:\u003c\/strong\u003e Up to 700mA per slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Mode – 4 Slots:\u003c\/strong\u003e Up to 500mA 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 105mm x 37mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 191.4g 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\u003eFour Independent Charging Slots:\u003c\/strong\u003e Charge up to four compatible rechargeable batteries simultaneously, with each bay monitored and controlled independently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 3000mA Fast Charging:\u003c\/strong\u003e Delivers a maximum charging current of 3000mA when one compatible battery is charged using Fast Charge Mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQC \u0026amp; PD Fast-Charge Support:\u003c\/strong\u003e Compatible with Quick Charge and Power Delivery power sources for higher charging speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C Input:\u003c\/strong\u003e Modern USB-C power connection supporting up to 18W input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Battery Detection:\u003c\/strong\u003e Detects compatible battery type, capacity and power level before selecting the appropriate charging current and mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Battery Compatibility:\u003c\/strong\u003e Supports popular 18650 and 21700 cells alongside numerous other Li-ion, IMR, Ni-MH and Ni-Cd battery formats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Charging Modes:\u003c\/strong\u003e Automatically selects between CC, CV and -dV\/dt charging methods according to battery chemistry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Charge Termination:\u003c\/strong\u003e Stops charging individual cells once they are fully charged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Charge Indicators:\u003c\/strong\u003e Separate indicators display charging activity and status for each battery slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Polarity Protection:\u003c\/strong\u003e Detects incorrectly inserted batteries and stops charging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Prevents charging if a short circuit is detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvertime Charging Protection:\u003c\/strong\u003e Automatically stops charging an individual slot after extended uninterrupted charging.\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 cells.\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 Ci4 Intelligent Four-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 Ci4 charge four batteries at the same time?\u003c\/strong\u003e\u003cbr\u003eYes. The Ci4 has four independently controlled charging slots and can charge up to four compatible rechargeable batteries simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Nitecore Ci4 charge 18650 batteries?\u003c\/strong\u003e\u003cbr\u003eYes. Rechargeable 18650 Li-ion and IMR batteries are officially supported by the Nitecore Ci4, making it suitable for many regulated vape mods that use removable 18650 cells.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Nitecore Ci4 charge 21700 batteries?\u003c\/strong\u003e\u003cbr\u003eYes. Rechargeable 21700 batteries are included in Nitecore's official Ci4 compatibility list.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast does the Nitecore Ci4 charge?\u003c\/strong\u003e\u003cbr\u003eWith a compatible QC or PD power source, Fast Charge Mode can provide up to 3000mA with one suitable battery, 1500mA per slot with two, 1000mA per slot with three, or 750mA per slot with four batteries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Nitecore Ci4 use USB-C?\u003c\/strong\u003e\u003cbr\u003eYes. The Ci4 uses a USB-C input and supports an input of 5V\/2A, 9V\/2A or 12V\/1.5A, with a maximum input power of 18W.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Ci4 support Quick Charge and Power Delivery?\u003c\/strong\u003e\u003cbr\u003eYes. QC and PD input are officially 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\u003eDo I need to set the charging current manually?\u003c\/strong\u003e\u003cbr\u003eNo. The Ci4 automatically detects compatible battery type and capacity and selects an appropriate charging current and charging mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I charge different batteries at the same time?\u003c\/strong\u003e\u003cbr\u003eThe four slots operate independently, allowing supported batteries to be detected and managed separately. Each battery must still be a chemistry and size specifically supported by Nitecore.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the Nitecore Ci4 stop charging automatically?\u003c\/strong\u003e\u003cbr\u003eYes. Charging automatically terminates once the corresponding battery is detected as fully charged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the lights on the Nitecore Ci4 mean?\u003c\/strong\u003e\u003cbr\u003eGreen indicators flash during charging and three steady green indicators show that a battery is fully charged. A steady red indicator means that the relevant slot is charging above 1A in Fast Charge Mode. Rapidly flashing green and red indicators signal an error.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the Nitecore Ci4 charge AA and AAA batteries?\u003c\/strong\u003e\u003cbr\u003eYes, provided they are rechargeable Ni-MH or Ni-Cd cells. Rechargeable AA, AAA, AAAA, C and D batteries are officially supported.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the Nitecore Ci2 and Ci4?\u003c\/strong\u003e\u003cbr\u003eThe main difference is charging capacity. The Ci2 has two independently controlled charging slots, while the Ci4 has four. The Ci4 is therefore better suited to users who regularly need to charge several removable batteries or multiple pairs of vape batteries together.\u003c\/p\u003e\n\u003ch6\u003eReturns \u0026amp; Warranty\u003c\/h6\u003e\n\u003cp\u003eThe Nitecore Ci4 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, subject to the conditions in 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":57436325740919,"sku":"2263115547","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0253\/9516\/7292\/files\/nitecore-c14-1.webp?v=1788449821","url":"https:\/\/www.mycigara.com\/products\/nitecore-ci4-usb-c-battery-charger","provider":"myCigara","version":"1.0","type":"link"}