About this replacement
VeriFone VX680 — 7.4V Li-ion Replacement Battery (BPK268-001-01-A)
This 7.4V 1800mAh Li-ion battery replaces the OEM pack in the VeriFone VX680 wireless payment terminal. It fits the VX680 and VX680 wireless credit card machine used in retail, hospitality, and mobile merchant environments. Voltage, connector pinout, and BMS communication protocol match the original specification.
- VX680 platform compatibility: The VX680 family runs a common battery bay with a multi-pin connector that carries both power and BMS data lines. The terminal's charge controller will reject a pack if the BMS handshake fails, so the cell and protection circuit must match the OEM communication profile exactly.
- Bench tested on actual hardware: We cycled this pack on a VX680 unit through charge, idle, and active transaction loads — including receipt printer motor draws. The BMS held within spec across all load events with no overcurrent trips or unexpected cutoffs.
- First deployment cycle: After installation, run at least one complete transaction — card read, authorization, and receipt print — before putting the terminal into live service. The VX680 maps battery capacity during normal operation and needs one full working cycle to report the charge indicator accurately.
Terminal not completing PCI boot sequence after battery swap
The VX680 runs a PCI-compliant security boot that includes a battery authentication check. A freshly installed pack may not pass this check on the first attempt if the BMS handshake hasn't been accepted by the terminal's charge controller yet. This is not a fault with the battery — it's the terminal waiting for the pack to register. Connect the terminal to mains power via the charging cradle or USB adapter, let it complete a full charge cycle, then power it on from a cold start. The boot sequence completes normally after that first charge-and-boot cycle.
Battery indicator stuck at 99% through the first charge
On a new Li-ion cell, the VX680's charge IC enters a top-off phase at the end of charge where current tapers down before the controller registers 100%. This taper phase can last longer on a new pack because the cell's internal resistance hasn't settled after its first cycle. The terminal is not malfunctioning and the pack is not defective. Leave the terminal on charge until the indicator moves — it will complete and show full charge once the top-off current drops below the controller's termination threshold.