Egoway PA5013U-1BRS Battery for Toshiba Portege Z830 Z835 Z930 Z935 Z835-st6n03 [Li-Polymer 14.8V/47Wh] Battery type: Li-Polymer; Capacity: 47Wh/3060mAh; Cells: 4-cell; Voltage: 14.8V; Color: black. 100% New from Manufacturer, High Performance replacement battery for Toshiba Portege Z830 Z835 Z930 Z935 Z835-st6n03. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety. Contain with Durable cells; Low power consumption IC design; Tested with strict quality control standards; Direct warranty from Manufacturer. Warranty: 12 Months warranty, 24 x 7 email support.