Motorola MT2070 Barcode Scanner Replacement Battery 3.7V 2400mAh

Motorola MT2070 / MT2090 — 3.7V Li-ion Replacement Battery (82-108066-1)

This 3.7V, 2400mAh Li-ion battery replaces the original pack in the Motorola MT2070 and MT2090 handheld barcode scanners. It also fits the MT2000 series and RFD5500 mobile RFID reader. All specs match OEM part numbers 82-108066-1, KT-BTYMT-01R, and 82-108066-01.

• MT2070 / MT2090 / RFD5500 platform fit: These models share the same battery bay geometry, contact pin layout, and 3.7V BMS handshake. One pack covers the full group — no adapter or modification needed.
• Bench tested on actual hardware: We cycled this pack in an MT2070 cradle and monitored BMS communication through charge and discharge. The protection circuit negotiated correctly with the cradle charger and held cell voltage within spec across repeated scan trigger bursts.
• First-shift prep for pick-and-pack use: Place the scanner in its cradle for a full charge cycle before starting the first shift. Scan trigger inrush current is highest when the cell sits near minimum voltage — a pre-charged pack prevents the BMS from tripping on the first rapid burst sequence.

Cradle charging error on a freshly installed pack

MT2070 cradles check contact resistance before starting a charge cycle. A new pack that's been in storage can accumulate oxidation on the gold-plated battery contacts, which pushes resistance above the cradle's acceptance threshold and throws a charging fault. Wipe the three contacts on the battery and the corresponding pins inside the cradle with a dry lint-free cloth, then reseat the scanner firmly. If the error clears and charging begins, the contacts were the cause — not the pack or the cradle.

Scanner losing wireless connection during rapid scan bursts

The MT2070 runs its Bluetooth radio and scan engine simultaneously during fast pick-and-pack sequences. Combined inrush from both loads can pull cell voltage down sharply enough that the BMS reads an undervoltage event and briefly interrupts output — dropping the wireless link mid-session. This is more likely on a partially discharged pack. Start each shift with the pack fully charged and the cell above 3.6V; that headroom absorbs the combined draw without tripping the protection circuit.