Short product description:
Replacement rechargeable battery by Cameron Sino compatible with TP-Link M7650 mobile hotspot. Nominal capacity 2900 mAh; intended as a direct swap for models Tbl-53b3000 / Tbl-53a3000 (MPN SB8532). Used to restore device runtime for portable Wi‑Fi routers and mobile hotspots, practical for travel, remote work, and backup power needs.