Nitecore UM4 Intelligent USB Four Slot Charger

The NITECORE UM4 is an intelligent USB four-slot charger that offers fast and efficient charging for your batteries. With a total max output of 3,000 mA and a single slot max output of 1,500 mA, this charger can handle multiple batteries at once while ensuring each slot is controlled independently. One of the standout features of the UM4 is its quick charging capability. It only takes 2 hours to charge 80% of a 3,500mAh battery, allowing you to get back to using your devices in no time. The charger features an LCD screen that provides real-time information about your batteries. It displays Battery Health, Internal Resistance, Charging Current, Battery Voltage, Charged Volume, and Charging time. This allows you to monitor the charging process and ensure your batteries are in optimal condition. The UM4 also has automatic detection and selection features. It can automatically detect the battery power level and select the appropriate voltage and charging mode. It offers three charging modes - CC, CV, and -dV/dt - and can automatically select the most suitable mode for your batteries. Additionally, you have the option to manually set the charging parameters to meet your specific needs. The specially designed Micro USB port makes the UM4 compatible with various power sources, including mobile power banks, solar panels, and USB adapters. This ensures that you have a reliable and endless power supply for your charging needs. Safety is a top priority with the UM4. It incorporates multiple safeguards to protect your batteries and ensure a safe charging process. These include automatic battery internal resistance detection, anti-short circuiting and reverse polarity protection, overtime charging protection, over-discharged Li-ion battery activation, and over-discharged IMR battery restoration. The charger is also constructed from durable and fire retardant PC materials and features a built-in temperature regulation system to prevent overheating. The UM4 is compatible with a wide range of batteries, including 3.6V/3.7V Li-ion rechargeable batteries, 3.8V Li-ion rechargeable batteries, 1.2V Ni-MH/Ni-Cd rechargeable batteries, and 3.2V LiFePO4 batteries. This versatility makes it a great choice for various devices and battery types. In addition to its impressive features, the UM4 is designed with energy efficiency in mind. If there is no activity for 3 minutes, the screen will automatically dim to save energy. Overall, the NITECORE UM4