About this replacement
CipherLab RS30 — 3.7V Li-ion Replacement Battery (BA-0092A5)
This 3.7V, 2500mAh Li-ion battery replaces the original pack in the CipherLab RS30 handheld barcode scanner. It matches the RS30's connector, form factor, and BMS communication protocol. OEM part numbers BA-0092A5, KBRS300X01503, BT-160LA, and BA-0093A0 all cross-reference to this cell configuration.
- RS30 platform fit: The RS30 runs a single-cell 3.7V Li-ion architecture with a dedicated BMS handshake over the dock interface. Any replacement pack must match the cell count and protection circuit pinout — this one does, so the scanner recognises the pack immediately on insertion.
- Bench tested on actual hardware: We cycled this pack through scan-burst and wireless polling loads simultaneously. The BMS held steady through repeated inrush events from the imager trigger and did not false-trip during combined radio and scan draw.
- First-shift preparation: After installing, seat the scanner in its cradle and run a full charge cycle before the first pick-and-pack shift. The imager trigger pulls the highest inrush current when the cell voltage is near minimum — a fully charged pack prevents a BMS protection trip during the first hour of heavy scanning.
Cradle showing a charging error on a new pack
The RS30 cradle reads battery status through the dock contacts on the underside of the pack. If those contacts have residue, oxidation, or even handling oils from installation, the dock sees elevated contact resistance and flags a charging fault. This is not a cell fault — it is a connection fault. Wipe the gold contacts on both the battery and the cradle slot with a dry lint-free cloth, reseat the pack firmly, and the error clears. If it persists, check cradle contact spring tension; a compressed spring drops below the threshold voltage the BMS needs to begin the charge handshake.
Scanner drops wireless connection during rapid scan bursts
The RS30 draws from the same cell for both the imager and the wireless radio. During a fast scan burst, the combined inrush from the laser or imager trigger and the radio transmit pulse can cause a momentary voltage sag at the cell terminals. If the cell is already partially discharged, that sag dips below the radio module's minimum supply voltage and the wireless stack resets — the scanner appears to freeze or disconnect mid-session. The fix is to keep the pack above 3.5V during active shift use. If disconnects are happening mid-shift, check cell voltage at the dock before the next session and ensure the pack returned above 4.0V after the previous charge cycle.