Ikusi BT06 7.2V Replacement Battery TM61 Transmitter 600mAh Ni-MH
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Ikusi BT06 7.2V Replacement Battery TM61 Transmitter 600mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
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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.
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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.
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Disclaimer
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Ikusi BT06 7.2V Replacement Battery TM61 Transmitter 600mAh Ni-MH - is backordered and will ship as soon as it is back in stock.
Voltage
7.2V
Amp
600mAh
Ikusi TM61 Transmitters — 7.2V Ni-MH Replacement Battery (BT06)
This is a 7.2V, 600mAh Ni-MH replacement battery for Ikusi crane remote control transmitters. It fits the TM60, TM61, TM62, and related transmitter models used on industrial cranes and lifting equipment. Sourced to match the original BT06 specification, including connector and cell count.
- TM60 / TM61 / TM62 transmitter compatibility: These models share a common 7.2V battery bay, connector pinout, and BMS handshake protocol. A six-cell Ni-MH pack at this voltage slots directly into the same charge circuit across the range without firmware changes.
- Bench tested on actual hardware: We cycled this pack through charge, standby, and solenoid-activation load tests. The BMS held steady through the inrush current spike at relay engagement — no dropout, no fault codes.
- Monthly charge during idle periods: Crane remotes can sit unused for weeks. Ni-MH cells lose charge in storage and can drop below a recoverable threshold. Run a charge cycle at least once a month during any idle period to keep the pack above that floor.
Why the TM61 loses power the moment a solenoid or relay fires
Solenoid activation draws a sharp inrush current — often three to five times the steady-state load — lasting only milliseconds. A battery with degraded cells or low state of charge can't sustain the voltage rail through that spike. The transmitter's internal voltage monitor sees a sag below its cutoff threshold and drops the output. This isn't a transmitter fault; it's a pack capacity issue. A fully charged, healthy cell set handles the surge without a dropout.
Remote shows low battery indicator immediately after fitting a new pack
New Ni-MH cells ship at storage voltage — typically 1.0V to 1.1V per cell, well below the 1.2V nominal. At six cells, that puts the pack below the transmitter's "low battery" threshold from the first power-on. The fix is straightforward: place the transmitter on charge before first use and run a full charge cycle. Once cells reach nominal voltage, the indicator clears. Do not judge the pack's capacity until it has completed at least one full charge from storage.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Ikusi
- 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 TM61 transmitter won't turn on at all after sitting in the cabinet for a few months — is the battery dead?
Most likely the Ni-MH pack has self-discharged past the point where the transmitter can power up normally. Connect the transmitter to its charger and leave it for at least 30 minutes before attempting to power on — the cells need to recover enough voltage for the circuit to initialise. If the charge indicator light activates and the transmitter powers on after that window, the pack was simply deeply discharged, not failed. If there is no response from the charger at all after 45 minutes, the cells may have dropped below the recovery floor and the pack needs replacement.
The crane remote cuts out mid-operation when I activate the hoist — the new battery seems fine otherwise
This is an inrush current issue, not a transmitter fault. When the hoist solenoid fires, it draws a sharp current spike that can sag the battery's voltage rail below the transmitter's cutoff threshold. It happens in milliseconds, so the remote appears to "cut out" rather than show a warning. Confirm the pack is at full charge before each shift — a partially charged Ni-MH cell has less headroom to absorb that spike. A full charge before operation is the single most effective fix.
E-stop response on the TM61 feels slower than it should — could the battery be causing that?
E-stop response time in crane remotes is voltage-dependent — the RF signal strength and relay trip speed both drop as cell voltage falls. A Ni-MH pack that is below 80% charge can add measurable latency to the signal-to-relay chain. Before any safety-critical lift, verify the transmitter shows a full charge state, not just "not low." If the remote has been in standby for more than a week, run a full charge cycle first and measure response at nominal voltage — 7.2V under light load — before returning the equipment to service.
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