About this replacement
Yealink CP700 — 3.7V Li-Polymer Replacement Battery (YLPP102427C700WVDL)
This is a 3.7V 600mAh Li-Polymer replacement battery for the Yealink CP700 portable conference speakerphone. It fits the CP700 directly and matches the OEM part number YLPP102427C700WVDL. Install it when the original cell no longer holds a charge or the unit shuts down mid-call.
- CP700 platform fit: The CP700 uses a compact Li-Polymer cell to keep the unit portable across meeting spaces. This pack matches the original connector, physical dimensions (30.40 × 24.00 × 9.60mm), and BMS handshake voltage thresholds the CP700 firmware expects at startup.
- Bench tested on actual hardware: We cycled this pack through charge and discharge on the CP700 platform. The BMS accepted the cell without triggering a protection fault, and the unit powered on and held a call session without dropping to low-battery cutoff prematurely.
- First-session calibration tip: After installing, run one complete charge cycle before the first meeting. The CP700 maps battery state against voltage thresholds during normal operation — a fresh cell that hasn't been cycled yet may cause the indicator to report inaccurate warnings until that first full cycle completes.
Battery indicator showing wrong level after installation
The CP700 estimates charge level by reading cell voltage against a stored discharge curve. A new pack ships at partial charge, so its resting voltage doesn't match any point on that curve cleanly. This causes the indicator to jump or show an incorrect percentage for the first session. Charge the unit fully from flat once — the system re-anchors its voltage map at 4.2V full and tracks accurately from there.
CP700 not turning on after battery swap
Replacement packs can arrive in deep-storage state with cell voltage below 3.0V. The CP700's BMS reads this as a fault condition and blocks startup to protect the cell from an unsafe charge spike. Connect the unit to its charger and leave it for at least 20 minutes before pressing power — the charger applies a low-current trickle that brings the cell above the BMS recovery threshold, typically around 3.2V, before switching to normal charge rate.