Zebra DS2278 Barcode Scanner Replacement Battery 3.7V 2600mAh

Zebra DS2278 / DS22 Series — 3.7V Li-ion Replacement Battery (BT-000317-01)

This 3.7V, 2600mAh Li-ion battery replaces the OEM pack in the Zebra DS2278, DS2278SR, DS22, and CR2278 wireless barcode scanners. It matches the original voltage rail and connector, so it seats and communicates with the BMS without modification. Capacity figures come from product data — 2600mAh / 9.62Wh.

• DS2278 and DS22 series fit: These models share the same battery bay geometry, contact pin layout, and BMS handshake protocol. One pack covers all variants in the family without adapters or firmware changes.
• Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a DS2278SR unit. The BMS accepted the cell, reported state-of-charge correctly to the host device, and held voltage within spec across repeated scan bursts combined with active Bluetooth polling.
• First-shift commissioning: After installing, seat the scanner in its CR2278 cradle and let it complete a full charge cycle before putting it into pick-and-pack rotation. Scan trigger inrush current peaks when the cell is near minimum — a pre-charged pack prevents a false BMS trip on the first burst of the shift.

Cradle showing charging error on a new pack

A charging error on a fresh install almost always comes down to contact resistance at the dock pins, not a fault with the cell itself. Dust, warehouse grime, or residue from the previous pack can coat the contacts on both the battery and the cradle. Wipe the gold contacts on the battery base with a dry cloth, then clean the cradle pins with a cotton swab. Reseat the scanner firmly — the cradle needs full pin engagement to initiate the charge handshake.

Scanner losing wireless connection during rapid scan bursts

The DS2278 draws from one cell to power both the Bluetooth radio and the scan imager simultaneously. During a rapid burst — tight label sequences in a fast pick environment — the combined inrush can pull voltage low enough for the BMS to momentarily restrict output, dropping the radio link. This shows as a disconnect rather than a scan failure. Keeping the pack above 30% charge during high-frequency shifts keeps the voltage rail stable enough to sustain both loads without interruption.