Cattron Theimeg LRC 4.8V Ni-MH Replacement Battery 1BAT-7706-A201
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Cattron Theimeg LRC 4.8V Ni-MH Replacement Battery 1BAT-7706-A201 - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
Cattron Theimeg LRC 4.8V Ni-MH Replacement Battery 1BAT-7706-A201 - is backordered and will ship as soon as it is back in stock.
Voltage
4.8V
Amp
2500mAh
Cattron Theimeg LRC Series — 4.8V Ni-MH Replacement Battery (1BAT-7706-A201)
This is a 4.8V, 2500mAh Ni-MH replacement battery for the Cattron Theimeg LRC crane remote control system. It fits the LRC, LRC-L, LRC-M, and LRC-Mund wireless transmitters used to operate overhead cranes and hoists in industrial facilities. Capacity is sourced from the product specification — 2500mAh (12Wh).
- LRC platform fit: The LRC, LRC-L, LRC-M, and LRC-Mund share the same 4.8V battery rail, connector format, and pack dimensions (79.20 × 61.90 × 33.20 mm). All four models draw from the same BMS handshake spec, so one replacement covers the full LRC lineup without modification.
- Bench tested on actual hardware: We ran this cell pack through charge and discharge cycles on the LRC platform. The BMS accepted the pack without error flags, and the protection circuit responded correctly to both low-voltage cutoff and overcharge thresholds.
- Infrequent-use charging protocol: Crane remotes often sit idle for weeks between jobs. Put the battery on charge once a month even when the transmitter is not in use. Ni-MH cells left fully discharged for extended periods lose capacity through voltage reversal in individual cells — a condition that does not recover with normal charging.
Solenoid activation causing power dropout on the LRC transmitter
When the LRC transmitter sends a crane activation command, the radio module and internal relay draw a short inrush current spike. A worn or partially discharged Ni-MH pack may sag below the BMS undervoltage threshold during that spike, triggering a protection cutoff. The transmitter drops out mid-command — the crane stops responding even though the remote appeared to be on. Fitting a fully charged, full-capacity replacement pack eliminates the voltage sag and keeps the BMS above the cutoff floor during relay activation.
New battery installed but remote shows low battery immediately
Ni-MH cells are typically shipped at storage voltage — around 1.0–1.1V per cell — which puts a 4-cell pack at roughly 4.2–4.4V, below the LRC's full-charge threshold. The transmitter reads that voltage as low and flags it immediately after install. This is not a faulty battery. Connect the pack to the LRC charger and bring it to a full charge before first use — the indicator should clear once the pack reaches 4.8V nominal.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Cattron Theimeg
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
My LRC crane remote won't power on at all after sitting in the tool crib for three months — is the battery dead or locked out?
Extended storage without charging is the most common cause of this on the LRC. When a Ni-MH pack discharges too deeply over months of inactivity, individual cells can reverse polarity under load and the pack will not respond to a standard charge cycle. Connect the battery to the LRC charger for at least 30 minutes before assuming it has failed — some packs recover from shallow deep-discharge states with a slow trickle input. If the charger shows no activity and the pack reads below 3.8V on a multimeter, replace the cell pack.
The crane remote cuts out the moment I activate the hoist — it powers back on a second later but the command doesn't go through. What's happening?
This is a BMS voltage-sag dropout. The LRC transmitter pulls an inrush current spike when it activates the relay to send a hoist command, and a partially discharged or aged Ni-MH pack sags below the protection circuit's undervoltage floor in that instant. The BMS cuts power, then resets once the load drops — which is why the remote comes back on immediately. Charge the battery to full before operating the crane, and verify pack voltage reads at or above 4.8V before starting a shift.
E-stop response on my LRC feels sluggish — there's a noticeable lag between pressing the button and the crane stopping. Could the battery cause this?
Yes — E-stop response time on the LRC is voltage-dependent. The transmitter's radio module needs sufficient voltage to push a full-strength signal burst; a low or degraded pack reduces transmission power and can add latency to the stop command reaching the receiver. This is a safety-critical issue and should not be operated until resolved. Charge the battery fully, confirm pack voltage at 4.8V, and retest E-stop response before returning the crane to service.
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