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Travel-Sized for Convenient Charging of Devices AnywhereCompact form fits comfortably in your purse or backpackIdeal for charging up to 2 smartphones, tablets, e-readers, MP3 players and other handheld mobile devices simultaneouslyWorks with Android, Apple and Windows devicesBuilt-In 10,400mAh Lithium-Ion Battery Charges Without an AC Power OutletCharges at maximum power draw for hours to ensure your devices are ready when you need themDual USB ports provide up to 5V 1A and 5V 2.4A of powerAuto-sensing 2.4A port adjusts amperage to match amperage of connected deviceProtects against short circuits, overvoltage, overcurrent, overcharges and overdischargesEasy to Recharge for the Next Time You Leave Home or OfficeUSB Micro-B port connects to USB charger or computer’s USB-A port to charge internal batteryBuilt-in LEDs indicate at a glance how much battery capacity is left3 ft. USB Micro-B charging cable included

4000mAh Lithium-Ion Battery Charges Your Device without an AC Power OutletNo more frantic searching for an outlet when your mobile device’s battery power is getting low. Small and lightweight, this high-capacity power bank dishes out 4000mAh of battery capacity for charging mobile devices, including smartphones, tablets, e-readers and handheld gaming devices. Lithium-ion lasts longer than lead-acid batteries and saves you money in the end. The UPB-04K0-1CM charges devices via its magnetic wireless charging pad or its USB-C port with the included USB-C charging cable.Magnetic Module Keeps Your Phone Charged, Secure and Ready to UseThe magnetic charging pad is compatible with all smartphones and other devices that support wireless charging. It also works with MagSafe-compatible smartphones (including iPhone 12 and later) to prevent the phone from being jostled off the pad and disconnected while charging. Adjustable Stand Gives You More Flexibility Over ChargingYou can charge your phone while it lays flat on the charging pad, or you can use the adjustable kickstand for flexible placement during charging. You can place the phone vertically to read notifications and messages while it charges or horizontally to stream video.Protects Your Expensive Devices During ChargingComprehensive safety features ensure worry-free charging of mobile devices. The UPB-04K0-1CM protects your devices against short circuit, over-voltage, over-current, over-charge and over-discharge. Total output current cannot exceed 9V 2A (18W). The power bank turns off automatically when the connected device reaches full charge.Easy to Recharge for the Next Time You Leave HomeA lithium-ion battery with 4000mAh of capacity provides charging at maximum power draw for hours, making your devices ready when you need them. Status LEDs let you know how much battery capacity is left. When it’s time to charge the internal battery, use the included USB charging cable to connect the power bank’s USB-C port to a computer or wall charger. The UPB-04K0-1CM maintains its charge when not in use.Compact Housing Packs in a Pocket for On-the-Go ChargingAn ideal power solution when you’re on the road or stuck somewhere without convenient electricity, the portable all-in-one battery charger weighs less than half a pound. It fits comfortably in your purse, pocket or backpack to keep your smartphone, tablet or other handheld device operating when you need it. The UPB-04K0-1CM is compatible with Apple, Android and Windows devices.