Cattron Theimeg LRC-S Compatible Battery 4.8V 3500mAh

Cattron Theimeg LRC-S — 4.8V Ni-MH Replacement Battery (1BAT-8368-A001)

This is a 4.8V, 3500mAh nickel-metal hydride battery for the Cattron Theimeg LRC-S wireless crane remote control system. It replaces OEM part numbers 1BAT-8368-A001 and 1BAT-8368-A001.D. The LRC-S is used to operate overhead cranes and lifting equipment in industrial facilities.

• LRC-S and Laird LRC-S compatibility: Both variants use the same 4.8V NiMH cell configuration, identical connector pinout, and the same charge termination logic — so one battery fits both without any modification.
• Bench tested on actual hardware: We cycled this battery through charge and discharge on the LRC-S platform and confirmed the BMS accepted charge termination cleanly at full capacity with no false-peak cutoffs across multiple cycles.
• Monthly charge cycle for idle remotes: NiMH cells in crane remotes left on the shelf will self-discharge to unsafe lows within 60–90 days. If the remote sits unused, put it on charge once a month — cells dropped below roughly 1.0V per cell may not recover and the charger will show no response.

Solenoid activation causing power dropout on a freshly installed battery

When the LRC-S triggers a crane solenoid or contactor, the inrush current spike can briefly pull the battery voltage below the BMS low-voltage threshold. The remote then cuts power mid-command — it looks like a fault but it is a voltage sag event. This is more likely if the replacement cell is at storage voltage rather than a full charge. Always charge the battery to capacity before putting the remote into service on a live crane. A fully charged 4.8V NiMH pack holds its rail voltage under inrush far better than one at 50% state of charge.

Remote showing low battery immediately after swapping the cell

NiMH batteries ship at storage voltage — typically 40–60% state of charge — not at full capacity. The LRC-S reads cell voltage on startup, and a freshly installed battery at storage voltage will trigger the low-battery indicator right away. This is not a fault with the cell. Connect the remote to its charger and run a full charge cycle before use. Once the pack reaches full charge, the low-battery warning will clear and voltage will read correctly.