iTEKIRO Laptop External Battery for Asus K53E-A1, K53E-B1, K53E-Bbr1, K53E-Bbr11, K53E-Bbr17, K53E-Bbr19, K53E-Bbr21, K53E-Bbr3 + Power Bank Charger for Smartphones, Tablets, Cameras, eReaders (24000mAh / 88.8Wh) With the output of 5V / 9V / 12V / 16V / 18V / 19V / 20V, this all-in-one external battery power bank backup charger provides you a complete charging solution whether you are at home, in the office or on-the-go. It gives constant power to most laptop computers and handheld consumer electronic devices. No need bulky AC adapters with messy cords any more, ONE IS ENOUGH Huge capacity of 24000mAh/88.8Wh provides hours of additional laptop power, fully and fast charges your USB-compatible devices a couple of times, perfect for long trip without easy power access; Three power outlets allow you the flexibility to charge and power multiple devices simultaneously; Smart LED indicators accurately displays battery power level; 8 DC plug connector and 1 USB charging cable included, which fit a large variety of popular models of laptop and other devices on the market Made of premium quality no-memory-effect lithium ion battery cells and enhanced with multiple intelligent security: Over-charge protection, Over-current protection, Over-discharge protection, Over-temperature protection, Short-circuit protection Compact, solid and stylish design from Japan makes this rechargeable battery pack beautifully fit any settings and easy to carry One year worry-free warranty backed by our renowned customer service for more than 10 years; Please contact us for any questions no matter it is before or after sales