Epson TM-P60 M196A Replacement Battery 7.4V 3400mAh

Epson TM-P60 M196A — 7.4V Li-ion Replacement Battery

This 7.4V 3400mAh Li-ion battery replaces the original pack in the Epson TM-P60 M196A and TM-P60 mobile receipt printers. These are compact thermal printers used in retail, hospitality, and field service environments. Capacity is drawn from product data at 25.16Wh.

• TM-P60 and M196A platform fit: Both the TM-P60 and TM-P60 M196A share the same battery bay geometry, voltage rail, and connector pinout. The BMS on each unit handshakes at 7.4V nominal, and this cell meets that threshold without requiring firmware changes or adapter hardware.
• Bench tested on actual hardware: We ran this pack through charge and discharge cycles on the TM-P60 platform. The BMS accepted the cell without throwing a fault code, and the protection circuit responded correctly to simulated low-voltage and overcurrent conditions during print head activation.
• First-use tip for mobile receipt printers: The TM-P60 draws a sharp current spike each time the thermal print head fires a full-width line. Install the battery and run a full charge cycle before the first print job — a partially charged cell at first use can trigger the BMS protection cutoff mid-receipt if the print head demand exceeds the cell's delivery threshold.

Why the TM-P60 stops mid-print on an aged or new battery

The TM-P60 thermal print head pulls current in bursts, not continuously. On a degraded original battery, internal resistance rises enough that the voltage sags below the BMS cutoff threshold during a high-density print line, killing the job mid-receipt. The same can happen with a new replacement if the cell ships at storage charge — around 3.7V per cell — rather than full charge. A complete charge cycle before first use brings both cells to 4.2V and gives the BMS enough headroom to handle peak print-head demand without tripping.

Printer shows "battery low" immediately after installing a new pack

This is a state-of-charge reporting issue, not a faulty cell. The TM-P60 reads cell voltage to estimate charge level, and a new battery shipped at storage voltage will register as low or critically low on the printer's display. Place the unit in its charging dock or connect via the USB-C port and charge to full before judging the battery. Once the pack reaches 8.4V total (4.2V per cell), the printer's fuel gauge resets and reports correctly.