TPE Replacement Laptop Battery For Apple A1280 A1278 Macbook 13-Inch Series, Aluminum Unibody (2008 Version) MB771G/A MB467LL/A MB466LL/A [Li-Polymer 10.8V 4800mAh] Battery type:Li-Polymer; Capacity:4800mAh/56Wh;Cells:6-Cell; Voltage:10.8V 100% brand new from manufacturer. Under 100% Aging Test. Up to 500 cycles life, low self-discharge, no memory effect; Dual IC chips provide protection against short circuit, over-discharge, overcurrent. Use the keyboard shortcuts Ctrl+F or -F (Mac) to quickly crosscheck if your requested model is listed in the Fits Compatible Model List. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time for standard batteries(6-Cell, 4400mAh) is around 2 hours. 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.