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Amazon.com: Amanda 9 Cell 57++ New Battery Replacement for Lenovo ThinkPad T440P T540P W540 W541 L440 L540 45N1152 45N1153 0C52864 11.1V 8960mAH : Electronics
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When connecting the charger the cpu power drops to 15% and the speed to 0.40 Ghz travelmate p2214-52 — Acer Community
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