CoreParts Battery for Cable Modem 32.56Wh Li-ion 7.4V 4400mAh Black, for ARRIS Cable Modem MG5000, MG5220, SVG2482AC, TG1662, TG1672, TG1672 TG1662, TG16x2G, TG8, TG852, TG852G, TG862, TG862G, TM1602G, TM5, TM502G, TM502H, TM504G, TM504H, TM5x2G, TM6, TM602G, TM602H, TM604G, TM608G,