TPE 9-Cell 7800mAh Laptop Battery for Dell XPS M1330 1350 Dell Inspiron 13 1318 Fits 312-0844 312-0566 312-0567 TT485 WR050 C601H PU556 NT349 HG307 UM225 UM226 XT832 - 12 Months Warranty Battery type: Li-ion; Capacity: 7800mAh/53WH; Cells: 9-cell; Voltage: 11.1V. Use the keyboard shortcuts Ctrl+F or -F (Mac) to quickly crosscheck if your requested model is listed in the following Compatible Laptop Model List or Compatible Parts Number List. Up to 500 cycles service life, low self-discharge, no memory effect; Dual IC chips provide protection against short circuit, over-discharge, overcurrent. CE/FCC/RoHS certified for product safety. Grade A Cell ensures fast charging and low power consumption; Operation time for standard batteries(6-Cell, 4400mAh) can reach approx. 2 hours, but the actual operation time depends on how much electricity is required on your device. TPE only deals with brand new premium replacement batteries. We only use the highest quality cells inside the battery pack so you will have a long service life. Our inventory turns rapidly and you will always receive a freshly manufactured battery.