About this replacement
Zebra ZQ200 / ZQ210 / ZQ220 Series — 7.4V Li-ion Replacement Battery (P1105740)
This 7.4V 1500mAh Li-ion battery replaces the OEM pack in Zebra ZQ200, ZQ210, and ZQ220 mobile thermal printers. It matches the original cell voltage, connector pinout, and BMS communication protocol for these compact field printers. Capacity is 1500mAh (11.1Wh), matching the standard-series specification.
- ZQ200 / ZQ210 / ZQ220 platform compatibility: All three models share the same battery bay geometry, 7.4V nominal voltage rail, and BMS handshake protocol — one cell fits the entire line without modification or adapter.
- Bench tested on actual hardware: We ran this battery through full charge cycles on a ZQ220 unit, confirmed BMS wake-up handshake, monitored voltage under print-head thermal load, and verified the paper feed motor drew within spec at rated voltage.
- First deployment print sequence: After installing, charge to full and print five consecutive test receipts before taking the printer into the field — the feed motor's current draw profile helps the BMS calibrate its load threshold for the new cell, preventing false low-battery cutoffs on first use.
Bluetooth dropping mid-print job on ZQ200 / ZQ220
The ZQ200 and ZQ220 share a single power rail between the radio module and the thermal print head. When battery voltage sags under combined load, the radio loses priority and the Bluetooth stack drops the connection before the print job completes. This is not a firmware or pairing issue — it is a voltage problem. A cell that reads 7.2V at rest may drop below the radio's minimum operating threshold the moment the print head fires. If disconnections happen consistently at the end of multi-label jobs, confirm resting voltage is at or above 7.4V before deployment.
Faded or uneven print output after battery replacement
The thermal print head in ZQ-series printers requires a stable voltage to hold the correct head temperature across the full label or receipt width. If the replacement cell has not completed a full charge cycle, voltage ripple during printing causes temperature variation across the head — the result is faded bands or inconsistent darkness. This is not a head fault or driver setting. Charge the battery completely, then run five test prints. If print quality normalises, the BMS has settled its current profile; if fading persists, verify charge voltage reaches 8.4V at the charger terminals.