GREENCELL LE89PRO Laptop Battery for Lenovo ThinkPad T440/T540/W540/L440/L540/E540 – 11.1V 5200mAh 6-Cell Black

The GREENCELL LE89PRO stands out as a premium replacement battery engineered for select Lenovo ThinkPad business laptops. Unlike generic alternatives, it uses high-quality lithium-ion cells and advanced protection circuitry to deliver consistent, long-lasting power. With a 6-cell configuration rated at 5200mAh and 11.1V, it provides 57.72Wh of energy, ensuring extended runtime and fewer interruptions. This battery is designed to match the original specifications, making it a reliable and cost-effective solution for reviving your ThinkPad.

Highlights

• 6-cell Li-ion construction rated at 5200mAh / 11.1V for consistent, long-lasting performance.
• Compatible with multiple ThinkPad T, W, L and E series models (T440, T540, W540, L440, L540, E540).
• Replaces a wide range of original Lenovo part numbers without the premium price.
• Integrated protection circuits guard against overcharge, deep discharge, short-circuit and overheating.
• Simple to install – fits the standard battery slot and requires no special tools.

In daily use

Whether you're working on campus, in the office or on the move, this LE89PRO battery helps you stay productive. The high energy density translates to fewer charges and a longer workday, while the automatic protection system ensures safe operation at all times. The scratch-resistant black casing matches the original design, so your ThinkPad looks and feels exactly as intended.

Full specifications

• Battery type: Lithium-ion (Li-ion)
• Voltage: 11.1V
• Capacity: 5200mAh
• Energy: 57.72Wh
• Cell count: 6
• Colour: Black
• Compatibility: Lenovo ThinkPad T440, T540, W540, L440, L540, E540
• Replaces Lenovo part numbers: 45N1128, 45N1130, 45N1132, 45N1134, 45N1136, 45N1137, 45N1140, 45N1141, 45N1142, 45N1143, 45N1144, 45N1145, 45N1148, 45N1149, 45N1150, 45N1151, 45N1152, 45N1153, 45N1736, 45N1737, 45N1738, 45N1739
• Protection: Overcharge, Over-discharge, Short-circuit, Overheating
• Certifications: CE, RoHS
• Condition: New
• Warranty: 12 Months
• Product series: Green Cell PRO
• Chemistry: Lithium-ion
• Mounting type: External / Removable
• Estimated cycle life: >500 cycles
• Operating temperature range: 0°C to 45°C
• Storage temperature range: -20°C to 60°C

Final note

Restore your ThinkPad's mobility with the GREENCELL LE89PRO – a dependable, high-capacity battery that keeps you working longer, backed by a 12-month warranty.