| Battery | Talk time | Standby time | Charging times |
| Internal BatteryBLC-2, 1000 mAhLi-Ion, 108g | 2h 40min – 4h 45min | 55h – 260h | ACP-7: 4h 30min ACP-8: 3h |
| Internal BatteryBMC-3, 900 mAh NiMH, 133g (standard) | 2h 30min – 4h 30min | 55h – 260h | ACP-7: 4h ACP-8: 2h |