About this replacement
Datalogic Falcon X3 / X3+ / X4 — 3.7V Li-ion Replacement Battery (94ACC1386)
This 3.7V, 6800mAh (25.16Wh) Li-ion battery replaces the original pack in the Datalogic Falcon X3, Falcon X3+, and Falcon X4 handheld mobile computers. These scanners are used across warehouse picking, retail stocktaking, and logistics operations where shifts run long and downtime is not an option. The OEM part numbers covered are 94ACC1386, BT-26, 4ACC0046, and BT-0016.
- Falcon X3, X3+, and X4 platform fit: All three models share the same battery bay geometry, contact pin layout, and BMS handshake protocol. The same cell and protection circuit works across the series without modification.
- Bench tested on actual hardware: We ran this pack through a full charge cycle on a Falcon X3 cradle and monitored BMS communication across the scanner's charge controller. The protection circuit responded correctly to charge termination and low-voltage cutoff without error flags.
- First-shift preparation for pick-and-pack use: After installing, place the scanner in its cradle for a full charge cycle before beginning a pick-and-pack shift. Scan trigger inrush current peaks when the cell is near minimum charge, and a fully charged pack prevents false BMS trips during the first burst of scanning.
Cradle showing a charging error on a new pack
The Falcon X3 cradle uses spring-loaded gold contacts to communicate charge status between the dock and the battery. If those contacts carry oxidation or warehouse dust, the dock's charge controller reads an incomplete circuit and raises an error rather than starting the charge cycle. This is not a fault in the battery — it is a contact resistance issue. Wipe the four contacts on the base of the battery and the matching pins in the cradle with a dry cloth, then reseat the unit firmly. The charge indicator should switch to active within ten seconds of reseating.
Scanner losing wireless connection during a rapid scan burst
The Falcon X3 draws simultaneously from the wireless radio and the scan trigger during a fast barcode burst. If the battery voltage sags below the radio module's minimum operating threshold during that combined draw, the Wi-Fi or Bluetooth stack drops its connection before the scan is logged. This happens most often late in a shift when the cell is below 30% charge. The fix is to swap the battery before the shift reaches that point — check the charge indicator on the device display and rotate packs when two bars remain.