BlueBird BAT-BP30-45 Barcode Scanner Replacement Battery 3.7V 2000mAh

BlueBird BP30 / BM180 — 3.7V Li-Polymer Replacement Battery (BAT-BP30-45)

This is a 3.7V, 2000mAh lithium-polymer battery built to the BAT-BP30-45 specification. It fits the BlueBird BP30 and BM180 handheld barcode scanners. Voltage and cell format match the original pack exactly.

• BP30 and BM180 platform fit: Both models share the same battery bay dimensions, 3.7V power rail, and BMS handshake protocol. The BAT-BP30-45 form factor — 59.80 × 46.10 × 7.20mm — seats flush in either unit without modification to contacts or housing clips.
• Bench tested on actual hardware: We cycled this pack through charge and discharge on a BP30 unit. The BMS accepted the cell without fault codes, held the charge curve within spec, and triggered the low-voltage cutoff at the correct threshold during drain testing.
• First-shift preparation: After installing, place the scanner in its cradle for a full charge cycle before picking up the first shift. Scan trigger inrush current is highest when the cell is near minimum charge, and starting with a full pack prevents false BMS trips during the first burst of rapid scanning.

Cradle showing a charging error on a new pack

A charging error on a freshly installed battery is almost always a contact resistance issue, not a faulty cell. Dock contacts accumulate oxidation and debris from everyday handling, and a new pack with slightly different contact pressure can expose that resistance. Wipe the gold contacts on both the battery and the cradle with a dry cloth, then reseat the scanner firmly until the dock clicks. If the error clears within 30 seconds, contact resistance was the cause — the pack is fine.

Scanner losing wireless connection during rapid scan bursts

During a rapid scan sequence, the imager and the wireless radio draw current simultaneously. On a depleted or degraded cell, this combined inrush causes a momentary voltage sag that drops below the radio module's minimum operating threshold, triggering a connection drop. The scanner may reconnect automatically within a few seconds, but the root cause is the pack voltage sagging under combined load. Start each shift with a fully charged battery — the sag at full charge stays above the radio's 3.2V minimum even under peak combined draw.