About this replacement
Motorola MC17 / MC17T / MC17A — 3.7V Li-ion Replacement Battery (82-97131-01 Rev B)
This 3.7V 2200mAh Li-ion battery replaces the original pack in the Motorola MC17, MC17T, and MC17A handheld barcode scanners. These units run in retail, warehousing, and logistics environments where scan cycles and wireless radio draw run continuously across full shifts. Capacity is 8.14Wh, matching the OEM specification exactly.
- MC17 series compatibility: The MC17, MC17T, and MC17A share a common battery bay geometry, connector pinout, and BMS handshake protocol. All three models draw from the same voltage rail for the imager, wireless radio, and processor, so one pack covers the full family.
- Bench tested on actual hardware: We cycled this pack through the MC17 cradle and verified the BMS negotiation completed without error flags. Imager trigger current and radio polling both registered within spec across the full discharge curve.
- First-shift preparation: After installing, seat the scanner in its cradle and run a full charge cycle before starting pick-and-pack. The scan trigger draws its highest inrush current when the cell is near minimum voltage — a fully charged pack prevents the BMS from tripping on that first burst.
Cradle showing a charging error on a new pack
MC17 cradles use contact-based charging and are sensitive to resistance at the dock pins. A new pack often has a thin oxidation layer on the gold contacts from storage, and the cradle interprets the elevated resistance as a fault. Wipe the battery contacts and cradle pins with a dry lint-free cloth, then reseat firmly. If the error clears within 30 seconds of reseating, the contacts were the cause — not the pack or the dock.
Scanner loses wireless connection during rapid scan bursts
The MC17 runs its imager and 802.11 radio simultaneously, and a high-frequency scan burst pulls both loads at once. If the cell voltage sags below the radio's minimum operating threshold during that combined draw, the wireless stack drops before the imager does — which looks like a connectivity problem rather than a battery problem. This is most common when the pack is below 30% charge. Keep the battery above that level during active use, or swap to a freshly charged pack before high-volume scan sessions.