https://www.goadapter.com/original-51wh-acer-aspire-vx5591g-serie-battery-p-64654.html
Product Info:
Battery Technology: Li-ion
Device Voltage (Volt): 11.4 Volt
Capacity: 4465 mAh / 51 Wh / 3-Cell
Color: Black
Condition: New,100% Original
Warranty: Full 12 Months Warranty and 30 Days Money Back
Package included:
1 x Acer Battery (With Tools)
Compatible Model:
AC14A8L Acer, KT.0030G.012 Acer, KT.0030G.001 Acer, KT0030G001 Acer, KT.0030G.013 Acer,