About this replacement
GE Versana Ultrasound — 14.4V Li-ion Replacement Battery (03-50049-001)
This 14.4V, 5350mAh (77.04Wh) lithium-ion battery pack replaces OEM part 03-50049-001 and 5803177 on GE Versana portable ultrasound systems. It fits the Versana series used in clinical imaging and bedside diagnostic work. Voltage and cell count match the original pack so the device BMS recognises the replacement without a handshake conflict.
- Versana platform fit: The Versana series runs a fixed 14.4V battery rail with a proprietary connector and BMS communication protocol. This pack matches that voltage rail exactly, and the cell configuration supports the BMS data handshake the system expects on boot.
- Bench tested on actual hardware: We cycled this pack through full charge and discharge on the Versana platform and monitored BMS response during startup. The protection circuit handled the initial self-test sequence correctly, with cell balancing active across the full charge window.
- Startup self-test care: After installing this battery, let the device complete its full power-on self-test without interruption. The Versana BMS runs a verification check at boot — cutting power during this sequence logs a battery fault that persists until the next clean reboot.
Why the Versana reports a battery fault after a confirmed full charge
The Versana BMS stores a learned capacity profile from the original cell chemistry. When a new pack is installed, the BMS compares the new cell's discharge curve against that stored profile during the first cycle. If the curves don't match closely enough, the system flags a fault even when the pack is fully charged. Running one complete charge-discharge cycle clears the stored mismatch and allows the BMS to write a new baseline. After that cycle, the fault clears and the charge indicator reads accurately.
Versana won't complete boot sequence on replacement battery after storage
Li-ion cells self-discharge during storage, and the Versana BMS has a minimum voltage threshold — typically around 12.0V — below which it refuses to complete the boot sequence to protect the system. A pack that has sat in a warehouse can drop below that threshold before it ever reaches the machine. Connect the battery to the Versana charger for at least two hours before attempting to power on the device. Once the pack climbs above the recovery threshold, the boot sequence completes normally.