The XTAR MC2 charger is a compact, efficient, and highly portable dual-slot charger designed specifically for users who need a simple yet intelligent solution to keep their lithium-ion batteries powered and ready for use. With its small footprint and lightweight construction, weighing only 24 grams and measuring just 92mm in length, 40mm in width, and 32mm in height, it is ideal for users who are constantly on the move or prefer a minimalist setup. The MC2 offers a USB-C input, making it universally compatible with a wide range of modern power sources, including power banks, USB wall adapters, laptops, and even car chargers. This means it can be used almost anywhere, offering exceptional flexibility and convenience for everyday users and professionals alike. Equipped with two independent charging slots, the XTAR MC2 is capable of charging two batteries simultaneously while intelligently adjusting the charging current based on the battery condition and type. It supports constant current outputs of 0.25A or 0.5A per slot, ensuring a safe and steady charge process without putting unnecessary stress on the battery cells. This smart current regulation is particularly beneficial for extending the overall lifespan of the batteries, as it helps prevent overheating and reduces the risk of overcharging or accelerated wear. The charger is designed to automatically terminate the charging process once the battery reaches the target voltage, stopping at 4.20V with a tolerance of ±0.05V, and a cut-off current of ≤120mA, guaranteeing a full but safe charge every time. One of the key features of the XTAR MC2 is its built-in 0V activation function, which is engineered to revive over-discharged lithium-ion cells that other chargers might reject. This capability can be particularly valuable for users who depend on high-drain rechargeable batteries in flashlights, cameras, vape devices, or other electronics, where a cell might become deeply discharged during intensive use. The activation function works by applying a gentle, low-current charge to bring the battery voltage back up to a safe level, allowing the cell to re-enter the normal charging cycle. This not only saves money by reducing battery waste but also contributes to environmental sustainability by extending the usable life of each cell. The MC2 supports a broad range of cylindrical lithium-ion batteries, including 3.6V and 3.7V variants, covering popular formats such as 10440, 14500, 14650, 16340, 17335, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, and 26650. Its internal layout has been thoughtfully designed to accommodate large cells side-by-side, with a maximum configuration of one 26650 and one 21700 battery charged simultaneously, making it exceptionally versatile despite its small size. This compatibility with both standard and high-capacity cells makes the XTAR MC2 suitable for a wide range of users, from everyday consumers to flashlight enthusiasts, photographers, and field technicians. In terms of safety, the XTAR MC2 includes multiple layers of protection to ensure secure operation at all times. The charger offers reverse polarity protection, which prevents damage in case a battery is inserted incorrectly, and short circuit protection to prevent electrical faults from compromising the charger or connected devices. These built-in safeguards are essential features for peace of mind, especially in scenarios where the charger might be used in mobile or unpredictable environments. Additionally, the charger’s efficient thermal design helps keep batteries cool throughout the charging cycle, reducing the risk of overheating and supporting longer battery life and reliability. The operating temperature range of the XTAR MC2 is from 0°C to 40°C, which is sufficient for safe indoor and outdoor operation under most normal conditions. Whether used at a desk, in a vehicle, or while camping or traveling, the charger remains stable and dependable. Its simple, no-fuss interface makes it particularly attractive to users who prefer an intuitive, plug-and-play experience without the need for complicated settings or displays. Once the batteries are inserted and power is supplied via USB-C, the MC2 takes over, managing the charging process intelligently from start to finish. Overall, the XTAR MC2 is a reliable, efficient, and smartly engineered charger that meets the needs of users who demand portability without sacrificing performance or safety. Its support for a wide variety of lithium-ion cell sizes, combined with intelligent charging current adjustment, 0V battery revival, and essential safety protections, makes it an ideal solution for anyone seeking a lightweight and dependable battery charging companion. Whether you're a casual user or a professional relying on multiple battery types, the MC2 delivers simplicity, effectiveness, and peace of mind in a pocket-sized form. Specification:Input: DC 5V 1AConstant Current: 0.25Ax2/0.5Ax2End of Charge Voltage: 4.20士0.05VEnd of Charge Current: ≤120mAOperating Temperature: 0-40 CSize: L92mm x W40mm x H32mmNet Weight: 24gCompatible Batteries:3.6V/3.7V Li-ion/ IMR / INR/ ICR:10440 14500 14650 16340 17335 1750017670 18350 18490 18500 18650 1870020700 21700 22650 25500 26650Note: Max space for 1x26650+ 1x21700
