Lenovo 00HW021 6-Cell Li-Ion Laptop Battery 72Wh 10.8V

The Lenovo 00HW021 battery stands apart with its 6-cell configuration and 72Wh capacity, delivering extended runtime for ThinkPad users who need dependable power away from the desk. Unlike standard 3-cell packs, this unit is built for dual-battery systems where the external battery is the primary source, making it a practical choice for long work sessions.

Highlights

• 6-cell Lithium-Ion (Li-Ion) chemistry
• 72Wh capacity and 6600mAh for longer use
• 10.8V output for stable performance
• Black finish matches ThinkPad design
• Rechargeable with overcharge, over-discharge, overcurrent, and temperature protection

In daily use

This battery is compatible with Lenovo ThinkPad L440, L450, L460, L470, P50s, T440, T440s, T450, T450s, T460, T460p, T470p, T550, T560, W550s, X240, X250, X260, and X270. Its high energy density keeps you productive through meetings, travel, or remote work without constantly hunting for an outlet.

Full specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Number of cells: 6
• Voltage: 10.8 V
• Capacity: 72 Wh / 6600 mAh
• Product type: Laptop battery
• Colour: Black
• Rechargeable: Yes
• Form factor: External
• Safety features: Overcharge protection, over-discharge protection, overcurrent protection, temperature protection

Final note

Built for Lenovo ThinkPad dual-battery systems, the 00HW021 is a straightforward replacement that keeps your laptop running longer.