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BTI 80Wh 4 cell SB10X19048 compatible battery for LENOVO THINKPAD X1 EXTREME 3RD GEN 20TL THINKPAD X1 EXTREME 3RD GEN 20TK THINKPAD P1 GEN 3 20TJ - Image 1
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BTI 80Wh 4 cell SB10X19048 compatible battery for LENOVO THINKPAD X1 EXTREME 3RD GEN 20TL THINKPAD X1 EXTREME 3RD GEN 20TK THINKPAD P1 GEN 3 20TJ

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Last Updated: 19/09/2026
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Product Description

Compare today's prices on the "BTI 80Wh 4 cell SB10X19048 compatible battery for LENOVO THINKPAD X1 EXTREME 3RD GEN 20TL THINKPAD X1 EXTREME 3RD GEN 20TK THINKPAD P1 GEN 3 20TJ".

BTI 80Wh 4 Cell SB10X19048 Compatible Battery for Lenovo ThinkPad X1 Extreme 3rd Gen and P1 Gen 3

Keep your Lenovo ThinkPad X1 Extreme 3rd Gen or P1 Gen 3 running at full power with this high-capacity 80Wh replacement battery from BTI. Designed to match the original specifications, this 4-cell lithium-ion battery delivers reliable, long-lasting performance so you can work, create or stream without constantly searching for a power outlet. Whether you are a professional on the move or a home user who demands dependable battery life, this BTI unit offers a cost-effective alternative to the manufacturer original, backed by rigorous safety testing.

- 80Wh high capacity for extended runtime between charges

- 4-cell Li-Ion design with 15.36V nominal voltage

- Compatible with Lenovo ThinkPad X1 Extreme 3rd Gen models 20TL and 20TK, and ThinkPad P1 Gen 3 models 20TH and 20TJ

- Directly replaces original Lenovo part number SB10X19048 and BTI part 5B10X19049

- Built-in protection circuits against overcharge, over-discharge, and short circuit

- Easy installation – simply swap out your old battery with no special tools required

- RoHS compliant and manufactured to high quality standards

Upgrade your notebook’s power supply with confidence, knowing this BTI battery is designed for seamless compatibility and dependable daily use.

GTIN: 0886734892575