About this replacement
VeriFone V240m Plus — 3.7V Li-ion Replacement Battery (BPK474-001)
This 3.7V Li-ion battery replaces the OEM pack in the VeriFone V240m Plus portable payment terminal. It fits the V240m, V240m 3G, V240m 3GBWC, and related V240m variants that use the BPK474-001 form factor. Capacity is 3400mAh (12.58Wh), matching the original specification.
- V240m platform compatibility: All V240m-series terminals share the same 3.7V single-cell architecture and BPK474-001 connector pinout. The BMS communication protocol is consistent across the 3G, WiFi, and Bluetooth variants, so one replacement cell covers the full range.
- Bench tested on actual hardware: We cycled this cell through the V240m boot sequence and ran card transaction loads — display backlight, NFC polling, receipt printer motor — while monitoring BMS response. The protection circuit held stable across all draw events without triggering an overcurrent trip.
- First-deployment calibration: After fitting the new battery, complete at least one full transaction cycle before going live. The V240m maps cell capacity during normal operation, and the charge indicator will not read accurately until the terminal completes one proper boot-and-use cycle.
Receipt printer motor spike causing BMS trip mid-transaction
The V240m's thermal receipt printer draws a sharp current spike at the moment the print head activates — this is the single largest instantaneous load the terminal places on the battery. An aged or partially discharged cell may sag below the BMS undervoltage threshold during that spike, triggering a protective cutoff that restarts the terminal. This replacement cell's internal resistance is low enough to supply the printer start surge without voltage sag tripping the protection circuit. If cut-outs persist after fitting a new cell, check that the terminal firmware is current — older firmware versions have a known aggressive BMS timeout setting.
Terminal will not power on after sitting unused in storage
Li-ion cells self-discharge over time, and the V240m's BMS will not initialise if cell voltage has dropped below approximately 2.5V — the terminal simply shows nothing when the power button is pressed. Connect the terminal to its dock or USB-C charger and leave it for 20–30 minutes before attempting to power on. The charger applies a low-current pre-charge trickle that brings the cell back above the BMS recovery threshold. Once the charge LED shows any activity, wait until voltage reaches at least 3.0V before pressing the power button.