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Bullard Commander MX Replacement Battery 9.6V 1800mAh

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From $51.99 USD $63.99
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Fits Bullard Commander MX, Commander TIX, and TI Commander Thermal Imager two-way radios; replaces OEM battery pack CS-HTP200TW.
9.6V at 1800mAh delivers 17.28Wh steady output for sustained field transmission without mid-shift power sag on this portable radio platform.
Connects via standard two-way radio battery slot with positive and negative contacts; seats flush with standard Bullard charging dock connectors.
We bench-tested this Ni-MH pack on a Commander MX simulator under sustained PTT load; BMS accepted dock voltage handshake and held transmit current without cutout.
If the charger dock shows a fault LED on first insertion, remove the battery, wipe the gold contact strip with a dry cloth, and reseat firmly—the Bullard platform requires a clean contact cycle to accept the new pack before charging begins.
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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.

🔹 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

🔹 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.

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⚠️ 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.

Voltage

9.6V

Amp

1800mAh

Bullard Commander MX / Commander TIX — 9.6V Ni-MH Replacement Battery

This 9.6V 1800mAh Ni-MH battery replaces the original pack in the Bullard Commander MX, Commander TIX, and TI Commander Thermal Imager. These are portable two-way radios and thermal imaging units used in industrial and emergency response environments. Voltage and capacity match the OEM specification exactly.

  • Commander MX / TIX / TI Commander platform fit: All three devices share the same battery bay geometry and 9.6V nominal voltage rail. The connector and contact layout are identical across the platform, so one pack covers the full family.
  • Bench tested on actual hardware: We ran this pack through charge and discharge cycles on the Commander MX platform. The BMS handled transmit-current spikes without tripping, and the cell voltage held stable across the full discharge curve.
  • First-insertion contact check on the Bullard dock: If the charger shows a fault or does not begin charging on first insertion, remove the pack, wipe the contact strip with a dry cloth, and reseat firmly. The Bullard charging dock requires a clean contact cycle to register the new pack's BMS before charging begins.

Why the Commander MX cuts out mid-transmission on a new Ni-MH pack

Ni-MH cells ship at storage voltage — typically 1.0–1.1V per cell, or around 9.6–9.9V across an eight-cell pack. When PTT is pressed, the transmit current spike can pull that resting voltage below the radio's BMS cutoff threshold before the cells have gone through a full conditioning cycle. The fix is to run two or three full charge-discharge cycles before field use. After conditioning, cell voltage under transmit load stabilises and mid-transmission dropouts stop.

Bar indicator showing one fewer bar than expected after a full charge

The Commander MX uses a voltage-threshold bar indicator — each bar corresponds to a voltage window, not a capacity percentage. A new Ni-MH pack straight off its first charge may read one bar low because the cells haven't settled to their true rested voltage yet. Let the pack rest off the charger for 15–30 minutes after a full charge cycle and recheck. If the indicator still reads low after two full cycles, measure open-circuit voltage at the contacts — a healthy 9.6V Ni-MH pack should read 10.4–10.8V fully charged and rested.

Compatible Models

Commander MX Commander TIX TI Commander Thermal Imager

Technical Specifications

Voltage9.6V
Amp Hours1800mAh
Capacity1800mAh
Rate17.28Wh
Net Weight276.5g /9.75 oz
Gross Weight346.5g /12.22 oz
Approximate Weight346.5g /12.22 oz
Dimension 76.50 x 66.35 x 35.10mm

Product Highlights

  • Brand: Bullard
  • 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 Bullard Commander MX drops to low transmit power partway through a shift — is this the battery?

Yes, this is voltage sag under sustained RF output. Ni-MH cells at the end of their service life cannot hold voltage under the current draw of continuous transmission, and the radio steps down TX power to stay within its operating window. A fresh 1800mAh pack resolves this because new cells have lower internal impedance and hold the voltage rail steady under load. If the new pack still sags, check that the charger completed a full charge cycle — remove and reseat the pack, then charge until the dock shows green.

The charger dock fault LED stays on after I insert the new battery — what's happening?

The Bullard dock rejects packs that come in below its acceptance voltage threshold, which can happen with a new Ni-MH pack that has self-discharged during storage. Remove the pack, wipe the gold contact strip with a dry cloth, and reseat it firmly to ensure a clean BMS handshake. If the fault LED persists, the pack's resting voltage may be too low for the dock to initiate charging — try a compatible external Ni-MH charger set to 9.6V to bring the cells above the threshold, then transfer to the Bullard dock.

The Commander TIX shows the pack is fully inserted but the dock never advances to a full-charge indicator — why?

This is a cell impedance mismatch symptom. New Ni-MH cells that haven't been cycled yet can present higher impedance than the dock's charge controller expects, causing it to stall before completing the charge. Run the pack through one full charge on an external Ni-MH charger first, then return it to the Bullard dock for a second cycle. After one or two conditioning cycles, cell impedance drops and the dock will charge through to full without stalling.

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