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Hp ProBook 640 G1 Series 11.1V 55Wh 6 cell Replacement Laptop Battery
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External Laptop Battery Charger for HP ProBook 640/645/650/655 G0/G1 C – direct-charging
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HP Battery 10.8V 55WH for HP ProBook 640 645 650 655 640 G1 645 G1 650 G1 655 G1 Series Notebook Extended Life High Capacity 5100mAh - Smartcomputerske Technologies
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BTI 6-Cell Lithium-Ion Battery for HP ProBook 640 G1 and 645 G1 Laptops HP-PB650X6 - Best Buy
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