About this replacement
Philips Respirateur V60 / V60S — 14.4V Li-ion Replacement Battery (88881344)
This 14.4V 17000mAh (244.8Wh) lithium-ion battery replaces part number 88881344 in the Philips Respirateur V60 and V60S non-invasive ventilators. It also fits the Respironics V60 and V60S platforms, which share the same voltage rail, connector, and BMS communication protocol. Capacity figure is sourced from product data, not estimated.
- V60 and V60S platform compatibility: The V60 and V60S share a common battery bay, connector pinout, and BMS handshake sequence. Cross-platform OEM part numbers 107674, 1076374, M48385-B0, 1058272, 989805626941, and 1056921 all map to the same cell specification, so one SKU covers both Philips and Respironics-labelled units.
- Bench tested on actual hardware: We cycled this cell through the V60 BMS initialisation sequence and confirmed the charge IC accepted the pack without a battery-fault flag. The BMS completed its internal resistance check and reported full capacity on the first completed charge-discharge cycle.
- Post-installation self-test cycle: After fitting this battery, let the V60 complete its full power-on self-test without interruption. The ventilator runs a BMS verification routine at startup — cutting power during this sequence triggers a persistent battery fault that will not clear until the next clean reboot.
Why the V60 shows a battery fault immediately after a confirmed full charge
The V60 BMS applies OEM-calibrated chemistry thresholds during its self-test. A new replacement cell has not yet completed a full charge-discharge learn cycle, so the BMS internal resistance reading sits outside the expected window and throws a fault flag. This is not a defective pack — it is the BMS comparing fresh cells against a stored OEM baseline. Run one complete charge-discharge cycle before treating any alarm as a genuine fault.
V60 will not power on after the battery has been sitting in storage
Lithium-ion cells self-discharge during extended storage. If the pack voltage drops below the V60 BMS recovery threshold — typically around 10V for a 14.4V nominal pack — the BMS locks out to protect the cells from deep discharge damage. Connect the ventilator to mains power first and leave it charging for at least two hours before attempting a battery-only boot. Once the charge IC raises the cell voltage above the recovery threshold, the BMS unlocks and the device boots normally.