LONG-LASTING BATTERY LIFE: With 11.1V capacity ( 100Wh/9-cell ), The battery ensures all-day power for your laptops in a factory-fresh, never-used battery pack designed for maximum performance.
PERFECT-FIT BATTERY MODELS: Support for 57++ 0C52864 0C52863 45N1152 45N1153 45N1144 45N1148 45N1150 45N1779 45N1158 45N1160 45N1145 45N1149 45N1151 45N1159 45N11611.
GUARANTEED FIT THESE LAPTOP MODELS: Compatible with Lenovo ThinkPad T440P T540P Series, Lenovo ThinkPad W540 W541 Series, Lenovo ThinkPad L440 L540 Series.
SAFE AND RELIABLE: Our products have built-in multiple circuit protections to eliminate the risk of overheating/ overcharging, and have been UL certified. No debugging or driver identification is required, And it can be used immediately after installation.
ANGEL SERVICE: Comes with installation tools, which is an ideal choice for business travelers/students/office workers. Backed by a 12-month worry-free warranty, so you can buy with confidence.