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Pidion BP30 Barcode Scanner Replacement Battery 3.7V 3900mAh

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Sale priceFrom $43.99 USD Regular price $53.99
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Fits Pidion BP30 barcode scanner, replaces OEM part number BAT-BP30-45.
3.7V 3900mAh Li-Polymer cell delivers the voltage and capacity needed for continuous barcode scanning and wireless transmission in warehouse operations.
Connector plugs straight into the BP30 battery slot with a single locking tab at the base; orientation is keyed and cannot be reversed.
We bench tested this cell on a BP30 scan module—BMS accepted the pack on first insertion with no fault codes, and the scanner held wireless connection through rapid-fire scan bursts.
After installing, place the scanner in its cradle for a full charge cycle before using in pick-and-pack operations—the scan trigger inrush current peaks when the cell is near minimum and can trip the BMS on the first shift if the pack starts depleted.

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🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

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Voltage

3.7V

Amp

3900mAh

Pidion BP30 — 3.7V Li-Polymer Replacement Battery (BAT-BP30-45)

This 3.7V 3900mAh Li-Polymer battery replaces the OEM pack in the Pidion BP30 handheld barcode scanner. It fits the BP30 used in retail, warehouse, and inventory operations. Capacity is 14.43Wh — matched to the original cell specification.

  • BP30 platform fit: The BP30 runs a single-cell 3.7V Li-Polymer architecture with a dedicated BMS that monitors cell voltage and temperature on each scan trigger pull. This pack matches that voltage rail and connector pinout exactly, so the scanner's firmware recognises the pack and reports state of charge correctly.
  • Bench tested on actual hardware: We cycled this pack through repeated scan-burst sequences and monitored the BMS response at low state of charge. The protection circuit held cutoff cleanly at the expected minimum cell voltage without nuisance trips during trigger inrush.
  • First-shift preparation: After installing, place the BP30 in its cradle for a full charge cycle before starting a pick-and-pack shift. Scan trigger inrush current is highest when the cell is near minimum — a fully charged pack prevents false BMS trips during the first hour of use.

Cradle showing a charging error on a brand-new pack

A new Li-Polymer pack ships at a storage charge — typically around 3.6–3.65V per cell — not at full voltage. Some BP30 cradles interpret this low starting voltage as a fault condition and flag a charging error on the dock LED. This is a dock-side detection issue, not a defective battery. Remove the pack, wipe the gold contact pads on both the battery and the cradle slot with a dry cloth, then reseat firmly. The cradle should re-initialise the charge cycle within 30 seconds of a clean contact.

Scanner losing wireless connection during rapid scan bursts

During a rapid scan burst, the BP30 draws current simultaneously from the imager, the processor, and the wireless radio. On a degraded or deeply discharged pack, that combined inrush pulls cell voltage below the radio module's minimum operating threshold — the radio drops out first because it is lower priority than the scan engine. The BMS may not trip, so the scanner appears functional but loses its network session. Charge the pack to full before the shift and check that cell voltage under load stays above 3.5V — if it sags below that point, the pack has lost usable capacity and needs replacement.

Compatible Models

BP30

Replaces Part Numbers

BAT-BP30-45

Technical Specifications

Voltage3.7V
Amp Hours3900mAh
Capacity3900mAh
Rate14.43Wh
Net Weight82g /2.89 oz
Gross Weight107g /3.77 oz
Approximate Weight107g /3.77 oz
Dimension 60.00 x 46.20 x 15.00mm

Product Highlights

  • Brand: Pidion
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-Polymer
  • Battery Type: Li-Polymer
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My BP30 scanner stopped reading barcodes right after I swapped the battery — what's wrong?

The imager needs a minimum supply voltage to fire the laser or illumination array. If the replacement pack was installed at storage charge rather than full charge, the cell voltage under trigger inrush can dip below that threshold and the scan engine won't fire. Place the scanner in the cradle and charge fully before use — the problem clears once the cell is above 3.7V at rest.

The BP30 gets noticeably warm after a full warehouse shift — is that a battery problem?

Sustained scan bursts combined with continuous wireless polling generate steady current draw through a compact Li-Polymer cell in an enclosed housing, and surface warmth is a normal result. What's not normal is the pack feeling hot to the touch or the scanner throttling scan speed mid-shift. If either happens, check whether the battery contacts or cradle pins are corroded — increased contact resistance forces the cell to work harder and raises heat. Clean the contact pads and retest; if the housing still gets hot, the cell has likely degraded and is delivering less capacity at higher internal resistance.

My BP30 doesn't last a full shift anymore — could the new battery be the cause?

Shift endurance depends on scan burst frequency, wireless polling rate, and backlight use — not capacity alone. A new pack at 3900mAh should outlast a degraded original. First, confirm the pack completed at least one full charge cycle in the cradle before field use — a partial first charge permanently reduces usable capacity on Li-Polymer cells. If endurance is still short after a full first charge, check the cradle contacts for resistance and confirm the dock's charge LED goes green before pulling the scanner for use.

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