New 100Wh 11.1V 9-Cell Li-ion Battery for Lenovo ThinkPad T440P T540P W540 L440 Replaces 45N1153 45N1161 57++ Grade A Cells

Why You Need This 100Wh 9Cell Battery Your Lenovo ThinkPad T440P, T540P, or W540 is a powerhouse, but the standard battery often lasts only a few hours. If youre constantly hunting for outlets, carrying extra batteries, or dealing with sudden shutdowns, its time for an upgrade. This 100Wh 9cell replacement battery solves that problem delivering nearly double the runtime of a standard 6cell battery. Designed for Lenovo ThinkPad T/W/L Series This highcapacity battery is a direct fit for: Lenovo ThinkPad T440P Lenovo ThinkPad T540P Lenovo ThinkPad W540 Lenovo ThinkPad L440 Lenovo ThinkPad L540

Specifications

You Can Trust Specification Detail Model 57++ (compatible) Chemistry Liion Voltage 11.1V Capacity 100Wh Cells 9Cell Color Black Warranty 1 Year Condition Brand New Grade A cells Compatible Part Numbers (Partial List) Common P/N 45N1152 / 45N1153 / 45N1161 45N1144 / 45N1145 / 45N1146 / 45N1147 45N1148 / 45N1149 / 45N1150 / 45N1151 / 45N1158 0C52863 / 0C52864 57+ / 57++ What a Standard Battery Costs You Short runtime Your laptop dies halfway through the day. Carrying spares You need extra batteries just to get through a shift. Performance throttling CPU slows down when unplugged. Swollen battery Bulging cells can damage your laptop case. What You Gain with 100Wh 9Cell Allday productivity Work 8+ hours without recharging. Long flights Watch movies, code, or write without an outlet. True portability No more carrying AC adapters everywhere. Better resale value A highcapacity battery makes your ThinkPad more attractive. Safety & Reliability Every battery includes builtin protection against overcurrent, overvoltage, overheating, and short circuits. Grade A 9cell Liion ensure consistent power delivery.

We test each unit before shipping. Easy Installation Slide the release latch, remove your old battery (external removable no tools needed), and insert this 9cell battery. Fully charge before first use for optimal performance. Whats Included 1 x 100Wh 9Cell Replacement Battery Before You Order Please doublecheck your laptop model (T440P, T540P, W540, L440, L540). This battery is not compatible with newer ThinkPad models (T470/T480/T490) or slim models like T440s/T540s. Also, ensure your laptops battery bay is designed for the 9cell bump form factor it will protrude slightly from the bottom (normal for 9cell).