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BTI 45N1150 compatible 49Wh 9-cell battery for LENOVO Thinkpad W541 W540 T440p L440 L540 - Image 1
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BTI 45N1150 compatible 49Wh 9-cell battery for LENOVO Thinkpad W541 W540 T440p L440 L540

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Last Updated: 17/10/2026
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Product Description

Compare today's prices on the "BTI 45N1150 compatible 49Wh 9-cell battery for LENOVO Thinkpad W541 W540 T440p L440 L540".

BTI 45N1150 compatible 49Wh 9-cell battery for LENOVO Thinkpad W541 W540 T440p L440 L540

Keep your Lenovo Thinkpad running through the longest workdays with this high-capacity 9-cell replacement battery. Designed to match the original BTI 45N1150 specifications, it delivers dependable power for demanding tasks, whether you are editing documents, running presentations, or working remotely. With a robust 91 Wh capacity, you can expect extended runtime that reduces the need for frequent recharging, helping you stay productive without interruption. This lithium-ion battery is built to exacting standards for a reliable, secure fit within compatible Thinkpad models.

- High capacity of 8400 mAh / 91 Wh for extended usage between charges

- Voltage: 10.8 V, matching original specifications for stable performance

- 9-cell configuration provides superior energy density compared to standard 6-cell batteries

- Lithium-Ion (Li-Ion) chemistry offers low self-discharge and long cycle life

- Compatible with Lenovo Thinkpad models: W541, W540, T440p, L440, L540

- Sleek black finish integrates seamlessly with your laptop design

- Single battery pack included, ready for immediate installation

- Meets safety standards for overcharge, over-discharge, and short-circuit protection

Ideal for professionals and students who need reliable, long-lasting power on the go.

GTIN: 5059902153609