Product Name: Laptop Power Bank 30000mAh for MacBook/Notebook/iPad Portable Power Bank Model NO.: YK-CN100 Rechargeable: Chargeable Installation: Packaged Electrolyte: Li-ion Shape: Cylindrical Battery Discharge Rate: Medium Discharge Rate Nominal Voltage: 5V Usage: Electric Power Type: Lithium-Ion Batteries Transport Package: with Box Specification: CE ROHS Origin: China Shenzhen HS Code: 8504401990 Product Description laptop power bank 30000mah for macbook/notebook/ipad portable power bankThis product is portable energy storage power supply, mainly for various brands of small power ac electrical, mobile phone, IPAD, PSP, MP3/MP4, PDA and other digital products power supply and charging.Constant voltage and current charging method is adopted to charge the built-in battery. The charging input terminal of the product is 5.5*2.1DC interface.Safe and reliable use, built-in intelligent charge and discharge management chip, battery overcharge protection, battery overdischarge protection, output overcurrent protection, output short circuit protection, equipment full power protection and other intelligent protection functions.LCD display real-time display of power, real-time display of input and output power.ParameterBattery typeli-ion batterybattery capacity30000MAhDC input19V-1.5AAC output220V 50HZ 110V-60HZUSB1 output5V-3A/9V-2A/12V-1.5A MaxUSB2 output5V-3A MaxType-C output5V-3A/9V-2A/12V-1.5A MaxmaterialABS+PCweight1060gconnect port2USB+1DC+1typeC +1AC