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Amazon.com: Replacement Battery for Acer Travelmate 5520-501G12Mi Travelmate 5520-502G16Mi Extensa 5620Z BT.00807.013 BT.00804.019 BT.00803.022 AK.008BT.054 23.TCZV1.004 TM00742 (4400mAh) : Electronics
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Synergy Digital Laptop Battery, Compatible with Acer TravelMate 5520-5421 Laptop, (Li-ion, 14.8V, 4400mAh) Ultra High Capacity, Replacement for Acer TM00742 Battery - Walmart.com
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Synergy Digital Laptop Battery, Compatible with Acer TravelMate 5520-501G12Mi Laptop, (Li-ion, 10.8V, 4400mAh), Replacement for Acer AK.006BT.018, BT.00603.029, BT.00603.043 Battery - Walmart.com
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Best Buy: AGPtek Battery for Acer TravelMate 5520-5134 5520-5283 5520-5308 5520-5313 5520-5421 5424 LR7-AD
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Amazon.com: Replacement Battery for Acer Travelmate 5520-501G12Mi Travelmate 5520-502G16Mi Extensa 5620Z BT.00807.013 BT.00804.019 BT.00803.022 AK.008BT.054 23.TCZV1.004 TM00742 (4400mAh) : Electronics
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Compatible Laptop Battery for Acer Travelmate 5320 5520G 5530G 5520 5720G Extensa 5220 -Black – 1 Year Warranty – Arikart
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