Nitecore CI2 Charger

Nitecore CI2 Charger Review

Experience the perfect fusion of portability, speed, and intelligent battery care with the Nitecore CI2 Intelligent USB-C Charger. For the user who values efficiency and a streamlined setup, the CI2 packs the revolutionary technology of its larger counterparts into a sleek, dual-slot design. This premium-quality battery charger is engineered to be the ultimate power solution for your essential Li-ion and Ni-MH/Ni-Cd batteries, offering lightning-fast charging speeds, automated safety protocols, and a level of intelligence that actively works to preserve the health of your cells.

Unleash Blazing-Fast Charging Speeds

Don’t let its compact size fool you; the Nitecore CI2 is a true powerhouse. By leveraging its modern USB-C input and compatibility with QC/PD supportive devices, the CI2 unlocks a Fast Charge Mode capable of delivering a staggering 3,000mA of current to a single battery. This remarkable output drastically reduces charging times, allowing you to power up a high-capacity battery and get back in action with minimal delay. When charging two batteries simultaneously, the CI2 intelligently distributes the power, providing a swift 1,500mA to each slot—a rate that still outpaces many conventional chargers on the market. For standard USB power sources, the charger maintains impressive performance, delivering up to 2,000mA in its Standard Mode.

A New Standard of Intelligent Battery Management

The Nitecore CI2 is more than just a power source; it’s a smart custodian for your batteries. An advanced internal microprocessor instantly analyzes each inserted cell, identifying its chemistry, capacity, and current state. Based on this data, it automatically selects the ideal charging mode—CC (Constant Current), CV (Constant Voltage), or -dV/dt. This tailored approach ensures every battery receives the precise current and voltage it needs for a safe and efficient charge, preventing the risk of overcharging and maximizing its operational lifespan.

Furthermore, the CI2 incorporates Nitecore’s specialized IMR charging program. This protocol is specifically designed for the high-drain IMR batteries commonly used in performance-driven devices. It meticulously monitors the charging process to guarantee the cut-off voltage remains within strictly safe parameters, protecting your valuable cells and ensuring reliable performance. This professional-grade feature, now available in the accessible CI2, provides an unparalleled level of confidence and care.

Engineered for Safety, Built to Last

Safety is the foundation of the Nitecore CI2’s design. The entire unit is constructed from robust, fire-retardant PC materials, offering superior durability and heat resistance. To manage the heat generated during high-speed charging, the CI2 features an integrated cooling fin design that effectively dissipates thermal energy, keeping operating temperatures low and stable. This promotes both the longevity of the charger and the health of your batteries. The intelligent circuitry provides a fortress of protection, including safeguards against reverse polarity and short circuits. Should you ever insert a battery incorrectly, the CI2 will prevent any current from flowing, protecting both the cell and the charger from damage. To top it off, the charger automatically cuts off power when charging is complete or when the slots are empty, combining safety with energy efficiency.

Effortless Operation and Clear Monitoring

The CI2 is designed for absolute user-friendliness. Its status is communicated through a clear and intuitive LED indicator system. When Fast Charge Mode is active, a solid red light illuminates, letting you know you’re getting the maximum possible speed. Each slot is also equipped with a three-stage green indicator to display the charge level: one light shows approximately 30%, two lights indicate around 80%, and three solid lights confirm a 100% full charge. This simple, at-a-glance system removes all complexity, making the charging process transparent and effortless. Compact, powerful, and exceptionally smart, the Nitecore CI2 is the definitive charging solution for the discerning user on the go.

Specifications:

• 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
• Standard Mode: 2,000mA*1 MAX / 1,000mA*2 MAX

Package Contents Include:

• 1x Nitecore CI2 Charger

WARNING:

• Never use your battery chargers for batteries other than the ones described and detailed on the package in which it came.
• Making attempts to charge batteries other than what the charger calls for is seriously threatening and may even cause bodily injury. Because batteries contain Lithium-Ion, serious damage can occur if improperly used.
• Carefully read the battery charger’s instruction manual as well as the safety information provided to you.  Adhere to all of the directions and proper operation of the charger within the manual.
• Only use your battery charger indoors. Exposing your charger to high/low outdoor temperatures or high humidity can ruin the charger.
• Do not store or expose this charger to water.
• Never take apart or tamper with the battery charger.
• Do not expose your battery charger near open flames.
• Do not leave batteries unattended.