Symbol Technologies BTRYMC31KAB02 Rechargeable Battery Pack

BTRY-MC31KAB02 is a rechargeable lithium‑ion battery pack designed as an extended‑capacity replacement for Symbol/Motorola MC30xx and MC31xx handheld computers, including the MC3100. It supplies a 3.7 V nominal chemistry with 4800 mAh capacity, enabling longer runtimes for barcode scanning, data capture, and on‑device computing tasks in warehouse and field applications between charges. The OEM part number is BTRY-MC31KAB02 (often cataloged as 82-127909-02) and the pack is formulated to fit MC31xx configurations across the MC3000/MC3100 family as a direct swap for the original battery. Built to mirror the original form factor and connector, it supports rapid swap‑in replacement to help maintain device availability in demanding environments.