3.7Volt Rechargeable Battery Pack, 3000mAh, High Capacity, USB Charge Button Top HK$ 92.56 至 HK$ 360.24
AAA or AA Battery Rechargeable USB Type-C Lithium-Ion Li-Ion 1.5v 1100, 3400mWh HK$ 133.74 至 HK$ 545.55