TPE New High Performance Laptop Battery for Delll Inspiron 1525 1526 XPS 1545 Series, fits RN873 GP952 M911G GW240 X284G 312-0625 312-0633 [ Li-ion 11.1V 9 Cell ] Battery type: Li-ion; Capacity:7800mAh/87Wh; Cells:9-cell; Voltage: 11.1V. 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. 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. Strict guidelines for compatibility, and standards compliance for product safety and environment safety. 24 x 7 email support, 12-month hassle-free warranty. Please check if this battery is compatible with your computer before purchasing.