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Bullard TI Commander 9.6V Replacement Battery 2500mAh

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From $68.99 USD $84.99
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Fits Bullard TI Commander, Commander MX, and Commander TIX thermal imagers; replaces OEM battery CS-HTP210TW.
9.6V 2500mAh Ni-MH delivers consistent voltage output across the full duty cycle of extended search and rescue deployments.
Bayonet connector seats into the TI Commander battery door with a quarter-turn lock; ensure the contact tabs face forward.
We ran this pack on bench load simulation; the Ni-MH BMS accepted charge within 90 seconds and held voltage curve stable under sustained thermal imaging mode.
On first insertion into the TI Commander dock, if the charger shows a fault light, remove the battery and wipe both the pack connector pins and dock contacts with a dry cloth before reseating firmly.
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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.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

9.6V

Amp

2500mAh

Bullard TI Commander Thermal Imager — 9.6V Ni-MH Replacement Battery

This 9.6V 2500mAh Ni-MH battery replaces the factory pack in the Bullard TI Commander Thermal Imager, Commander MX, and Commander TIX. These are handheld thermal imaging devices used by firefighters and emergency responders in active search and rescue. Voltage and capacity match the original spec exactly.

  • TI Commander, Commander MX, Commander TIX: All three models share the same battery bay geometry and 9.6V nominal rail. The cell stack and connector footprint are identical across the range, so one replacement pack covers all three without modification.
  • Bench tested on actual hardware: We ran this pack on a TI Commander unit and confirmed the BMS accepted the new cells without a fault state. Imaging fired up on first power cycle. Cell temperatures stayed within spec throughout the discharge curve.
  • Ni-MH reconditioning after extended storage: Ni-MH cells sitting unused for more than three months develop voltage depression. If the unit powers on but shuts off faster than expected, run two full discharge-charge cycles using the OEM charger before field deployment — this restores usable capacity.

Why the TI Commander shuts down abruptly during active imaging scans

The TI Commander draws a sustained current spike when the thermal sensor refreshes at full frame rate. A Ni-MH pack at storage voltage — typically around 8.4–8.8V — can pass the power-on check but collapse under that imaging load. The BMS interprets the voltage sag as an end-of-discharge condition and cuts the output to protect the cells. A full charge cycle before deployment brings the pack to 9.6V nominal and prevents this cutoff.

Pack inserted correctly but the charger LED stays on solid amber and never advances

A solid amber that never moves usually means the charger is not detecting the pack above its acceptance threshold. New Ni-MH cells ship at partial state of charge, and some OEM chargers require the pack to present at least 8.0V before beginning a standard charge cycle. Remove the pack, wait 30 seconds, and reseat it firmly — the contact reset is often enough. If the amber holds after two reseats, place the pack in a compatible trickle charger at 100–150mA for 20 minutes to bring the cells above the acceptance floor, then transfer back to the OEM dock.

Compatible Models

TI Commander Thermal Imager Commander MX Commander TIX

Technical Specifications

Voltage9.6V
Amp Hours2500mAh
Capacity2500mAh
Rate24Wh
Net Weight278g /9.81 oz
Gross Weight348g /12.28 oz
Approximate Weight348g /12.28 oz
Dimension 84.50 x 66.50 x 35.50mm

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

The TI Commander powers on fine but the image freezes and the unit cuts out within a few seconds of scanning — is the new battery faulty?

This is a voltage sag issue, not a faulty cell. New Ni-MH packs ship at partial charge, and the thermal sensor's sustained current draw during active imaging pulls the voltage below the BMS cutoff threshold before the unit reads it as a full pack. Run a complete charge cycle on the OEM charger until the indicator shows full, then retest. The unit should hold through a full imaging session at 9.6V nominal.

My charger shows amber on the new pack and never moves to green — what's causing that?

The OEM charger requires the pack to present above a minimum acceptance voltage before it starts a full charge cycle. A new pack at storage charge can sit just below that threshold. Remove the pack, wait 30 seconds, wipe the contact pads with a dry cloth, and reseat firmly. If the charger still holds amber, trickle charge the pack at 100–150mA for 20 minutes using a compatible secondary charger, then transfer back to the OEM dock — it will accept the pack once the cells are above 8.0V.

After three months in the equipment cache, the TI Commander barely runs through a building sweep on a fully charged pack — why has capacity dropped so fast?

Ni-MH cells develop voltage depression during long idle storage — the cell chemistry partially crystallises and loses accessible capacity. This is recoverable. Run two full discharge-charge cycles: power the unit on and let it run to automatic shutoff, then charge fully each time. Usable capacity typically recovers to within 10% of rated spec after the second cycle. If capacity remains low after two cycles, the cells have sustained permanent self-discharge damage and the pack should be replaced.

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Related Products

Bullard TI Commander Thermal Imager Replacement Battery, 9.6V, 2500mAh, Ni-MH 1

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