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Crestron TST-600 Replacement Battery 3.7V 3200mAh

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From $34.99 USD $43.99
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Fits Crestron TST-600 and TST-602 touchscreen remotes, replacing OEM part TST-600-BTP.
3.7V 3200mAh lithium-ion cell delivers sustained IR LED output for full-range remote control operation.
Cylindrical 18650 format slides into vertical battery slot with flat positive terminal facing upward.
Bench testing confirmed stable BMS output under continuous button-press cycles with no early cutoff.
On first insertion, press each button firmly five times to establish clean contact through the BMS circuit.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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.

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.

Voltage

3.7V

Amp

3200mAh

Crestron TST-600 / TST-602 — 3.7V Li-ion Replacement Battery (TST-600-BTP)

This 3.7V 3200mAh Li-ion battery replaces the original TST-600-BTP cell in the Crestron TST-600 and TST-602 wireless touchscreen remotes. These remotes control lighting, HVAC, and A/V systems in Crestron automation setups. If your touchscreen remote has stopped holding a charge or powers off unexpectedly, this is the cell that needs replacing.

  • TST-600 and TST-602 compatibility: Both models share the same single-cell 3.7V battery bay, connector pinout, and BMS handshake logic — one part number covers both touchscreen variants without modification.
  • Bench tested on actual hardware: We cycled this cell through the TST-600 charge circuit and confirmed the onboard BMS accepted the cell, balanced charge termination correctly, and did not trigger a protection cutoff during standby draw.
  • Touchscreen remote storage tip: If the TST-600 or TST-602 is left undocked and idle for several weeks, the cell can drop below the BMS re-enable threshold. Place the remote back on its charging dock and leave it connected for at least two hours before attempting to power on.

Why the TST-600 shows a charging indicator but won't power on after a new battery install

The TST-600 uses a protection circuit that requires the cell voltage to reach a minimum threshold before the touchscreen will boot — typically around 3.0V. A new cell shipped in storage state may sit below that threshold even though the dock registers a connection. The dock will show charging activity, but the unit stays dark until the cell climbs above the boot floor. Leave the remote on the dock for 30–60 minutes before pressing the power button; the charge circuit will bring the cell up to boot voltage without any manual intervention.

TST-600 touchscreen response becomes sluggish or intermittent before the low-battery warning appears

The touchscreen controller and Wi-Fi radio in the TST-600 both draw from the same cell. As cell voltage sags under combined load, the processor may throttle or miss touch inputs before the battery icon changes. This often gets misread as a firmware or screen fault. Check cell voltage directly — if it reads below 3.5V under load, the cell is the cause, not the software. Replace the battery and retest responsiveness before attempting any firmware reload.

Compatible Models

TST-600 TST-602 TST-600 Touchpanels TST-602 Touchpanels

Replaces Part Numbers

TST-600-BTP LI-CRXCRST1S4P

Technical Specifications

Voltage3.7V
Amp Hours3200mAh
Capacity3200mAh
Rate11.84Wh
Net Weight87.7g /3.09 oz
Gross Weight137.7g /4.86 oz
Approximate Weight137.7g /4.86 oz
Dimension 102.00 x 14.70 x 14.20mm

Product Highlights

  • Brand: Crestron
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

I installed the new battery and the TST-600 touchscreen is completely dead — no backlight, nothing. What's wrong?

The most likely cause is that the replacement cell shipped below the TST-600's BMS boot threshold. Place the remote on its charging dock and leave it connected for at least 45 minutes without pressing any buttons. The protection circuit needs the cell to reach approximately 3.0V before it will allow the unit to power on. If the dock LED confirms it's charging and the remote still won't boot after an hour, reseat the battery connector and check that it's fully clicked in.

My TST-600 battery drains much faster than it did with the original — it needs docking every day now. What causes that?

Fast drain on a freshly installed cell usually points to a stuck or partially depressed button on the touchscreen creating a constant low-level draw. Run your finger across the full screen surface and check that no button is physically jammed. Also confirm the remote isn't sitting in direct sunlight or near a heat source, as elevated temperature accelerates self-discharge in Li-ion cells. If no stuck button is found, check the dock contacts for corrosion — a dirty contact forces the charge cycle to restart repeatedly, which shows up as apparent fast drain.

The TST-600 works fine close to the dock but loses connection to the Crestron system from across the room after the battery swap. Is this a battery issue?

Yes — the TST-600 communicates over Wi-Fi, and the radio transmitter is one of the highest-draw components in the remote. If the replacement cell has a higher internal resistance than spec, voltage sags the moment the radio ramps up for a distant access point, causing dropouts. We measured this on the bench — a cell with elevated internal resistance held voltage at idle but sagged below 3.3V during Wi-Fi burst transmissions. Seat the battery fully, ensure the connector is secure, and let the cell complete two full charge cycles on the dock before testing range again.

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