For Amazon : 58-000049, MC-354775-05, S13-R1-D, S13-R1-S. Capacity: 1420mAh. Product Type:100% High Quality Battery. Battery Type: Li-ion. Li-Ion Laptop Battery 10.8V and 11.1V are in common use. Li-Ion Laptop Battery 14.4V and 14.8V are in common use.
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