BTI AR-AS4315 Notebook battery - lithium ion - 6-cell - 4400 mAh - black - for Acer Aspire 2930, 4220, 43XX, 45XX, 47XX, 49XX, 53XX, 55XX, 5738 3D, 5738D ZG-434G50, 57XX, 7715; eMachines E430, E525, E625, E627, E630, E725, G430, G525, G625, G627, G630, G725; Gateway NV59, NVNV59, NVNV59C42