Introducing the NITECORE UCN4 PRO Dual-Slot USB QC 2.0 specifically designed to recharge compatible Canon LP-E4/LP-E4N camera batteries. Designed to be quick and efficient, the UCN4 can achieve max of 1000mA charging current in each slot. The dual slot design of the UCN4 lets you charge two batteries simultaneously, so you can spend less time charging and more time capturing photos. Easily monitor your battery health, voltage, charging current, temperature and more using the brightly lit high definition LCD display. No need to worry about overcharging your batteries as the UCN4 offers an intelligent USB charging management system that automatically applies the correct charging current and prevents damage caused by improperly inserted batteries. Compact and highly portable, the UCN4 weighs just over 3 ounces and measures less than 5 inches in length making it the ideal solution for portable charging without taking up extra room in your bag. Compatible with universally available USB power sources like laptops, power banks, adapters, and solar panels, the UCN4 is the perfect charger for travel and daily use.