Acer AcerNote / Extensa390 391 392 393 394 395 ESS3-391T  Notebook Replacement Battery FOR NOTEBOOK BATTERIES: BTP-231, BTP-031, 60.43A01.021, 60.43A01.031, 91.40B28.001, 91.43A28.004 , CS-AC390HB, LB0115 Compatable with  ACER AcerNote 390, 390A, 391, 392, 393, 394, 395, Extensa 390, 390C, 390CX, 391, 391C, 391T, 392 , 392C, 392T, 393, 393C, 393T, 394, 394T, 395, 395T, ESS3-391T, Extensa 390, Acernote 392, Extensa 392C, Acernote 390, Extensa 391C, Extensa 394T, Extensa 390c, Acernote 394, Extensa 393C, Acernote 391, Extensa 392, Extensa 395T, Extensa 393, Extensa 391, Extensa 394, Acernote 393, Extensa 392T, Acernote 390a, Extensa 391T, Extensa 395, Extensa 390cx, Acernote 395, Extensa 393T,   HITACHI Vision plus 5000 Battery Type: Li-on Battery Voltage: 10.8V Battery Capacity:4000mAh Colour: Black   Dimension: 214.60 x 57.60 x 21.40 mm