MAXOAK 50000mAh Portable Laptop External Battery Charger

USED

C171-B57-11NI

Conform to UL1642 and UL2056 Standards. Constructed with Lithium-ion Polymer Battery Cells&Built-in 6 Security Protections to Ensure Safety Use and 1000+ Long Recharge Cycles.

Ultra High Capacity 50000mAh(3.7V)/185Wh(130W Max.).Compatible With a Wide Variety of Laptops(Max.130W)- Dell HP Lenovo Surface pro 2/3/4(DC12V) Sony Samsung Acer Toshiba IBM NEC.We Include 14 DC Connector for Various Laptops. Once Fully Charged, K2 Portable Battery Pack Can Charge Laptops(65W) About 2.5 Times and Smartphone About 11-18Times without Using your Laptops/Phones While Charging,It is Much Power Saving than AC Outlet Power Bank.