Medela Freestyle Replacement Battery 7.4V 2600mAh

Medela Freestyle Breast Pump — 7.4V Li-ion Replacement Battery (919.7010)

This 7.4V, 2600mAh Li-ion battery replaces the internal rechargeable cell in the Medela Freestyle Breast Pump. It restores cordless operation to a pump that has lost charge capacity or stopped holding a charge altogether. OEM part numbers 919.7010, 67060, and 101034761 all reference this same cell configuration.

• Freestyle Pump platform fit: The Freestyle uses a specific 7.4V two-cell Li-ion pack with a BMS that negotiates charge state with the pump's onboard charge IC. Voltage, connector pinout, and cell dimensions must all match — a generic Li-ion pack at the same voltage will not complete the handshake and the pump will flag a battery fault.
• Bench tested on actual hardware: We cycled this pack through the Freestyle's charge IC and confirmed the BMS communicated correctly across charge and discharge. The pack accepted a full charge without triggering fault flags and held voltage within spec under the pump motor's draw profile.
• Post-installation self-test: After fitting this battery, let the Freestyle complete its full power-on sequence without interruption. The pump runs a BMS verification check at startup. Interrupting it before the sequence finishes can log a false battery fault that stays active until the device is powered down and rebooted from scratch.

Why the Freestyle charge indicator stalls before reaching 100% on a new cell

The Freestyle's charge IC applies a conservative current limit when it detects a cell it has not previously profiled. On the first charge, the IC holds the termination voltage lower than normal and cuts off early — the indicator may stop at 85–90% and stay there. This is the charge controller being cautious, not a fault with the cell. Running one complete charge-to-discharge-to-charge cycle allows the IC to update its profile and the indicator will reach 100% on the second charge.

Freestyle powers on briefly then shuts off within seconds of starting a session

This happens when a replacement cell has been in storage long enough for self-discharge to pull it below the BMS recovery threshold — typically under 6.0V for a 7.4V two-cell pack. The pump draws enough current at motor start to trip the BMS undervoltage cutoff before the cell has had a chance to recover. Connect the pump to the charger and leave it for a minimum of 30 minutes before attempting to power on — the charge IC will trickle current into the cell until it clears the recovery threshold, after which normal charging resumes.