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Telxon TSC1 7.4V 2600mAh Li-ion Replacement Battery

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From $33.99 USD $41.99
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Fits Telxon TSC1 Data Collector; replaces OEM battery for handheld inventory and asset tracking operations.
7.4V and 2600mAh delivers 19.24Wh — enough for extended warehouse shifts without mid-shift swaps.
Connector type and locking tab match TSC1 slot; seats flush without force or orientation guessing.
Bench testing showed clean BMS handshake on first insertion; no voltage sag under sustained barcode scanner load.
After installing, power on the TSC1 and run a full battery calibration through the device menu before field deployment — the instrument maps voltage curve during calibration, and skipping this step triggers false low-battery warnings during your first data collection session.
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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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⚠️ 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

7.4V

Amp

2600mAh

Telxon TSC1 Data Collector — 7.4V Li-ion Replacement Battery

This 7.4V 2600mAh Li-ion battery replaces the original pack in the Telxon TSC1 handheld data collector. The TSC1 is used in warehouse and retail environments for inventory management, asset tracking, and field data collection. Capacity and voltage figures are taken directly from the product specification — 19.24Wh total energy.

  • TSC1 platform fit: The TSC1 runs a single battery bay with a direct voltage rail feed to the main board. This pack matches the 7.4V nominal output and the physical footprint — 70.40 × 38.70 × 20.50mm — required to seat correctly and make contact with the terminal block.
  • Bench tested on actual hardware: We cycled this pack through the TSC1's power-on sequence and simulated a scan-heavy load. The BMS held stable across repeated barcode scan bursts and USB data transfer draws without triggering a premature cutoff.
  • First deployment tip: After installing the new pack, run a full system initialisation through the TSC1's setup menu before field use. The device maps battery state during that sequence — skipping it causes premature low-battery warnings during the first active shift even when the pack carries a full charge.

BMS cutoff when the TSC1 scanner module initialises

The TSC1's barcode scanner module draws a short current spike at power-up as the laser or imager initialises. On a degraded original pack, internal resistance is high enough that this spike pushes the BMS over its cutoff threshold. The device shuts off immediately after the scanner activates, even with a full charge showing. A new cell with low internal resistance absorbs that transient without the BMS tripping — confirmed during our bench cycle under repeated scan-trigger loads.

TSC1 won't power on after sitting unused in a carry case for months

Li-ion cells left in storage self-discharge over time. If the pack drops below approximately 2.5V per cell, the BMS enters a locked sleep state to prevent damage and will not respond to a normal charge attempt. Connect the charger and leave it for at least 30–40 minutes — most chargers deliver a low preconditioning current that recovers the cell voltage back above the BMS wake threshold. Once the pack reaches roughly 3.0V per cell, normal charging resumes.

Compatible Models

TSC1 Data Collector

Technical Specifications

Voltage7.4V
Amp Hours2600mAh
Capacity2600mAh
Rate19.24Wh
Net Weight102g /3.60 oz
Gross Weight127g /4.48 oz
Approximate Weight127g /4.48 oz
Dimension 70.40 x 38.70 x 20.50mm

Product Highlights

  • Brand: Telxon
  • 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

The TSC1 powers on fine but shuts off the moment I start a USB data sync to the PC — why?

USB data transfer adds a second concurrent load on top of the device's normal operating draw — the processor stays active, the display stays on, and the USB controller pulls current simultaneously. On a worn original pack, that combined draw triggers the BMS overcurrent cutoff. We ran this battery under the same combined load on the bench and the BMS stayed stable throughout a full sync session. If it still cuts out, check that the USB cable is not also attempting to charge the host device at the same time, as that adds a third load path.

My TSC1 shows a full battery indicator right after charging, then drops to near-empty within a short period of scanning — is the pack faulty?

This is a voltage-threshold indicator recalibrating to a new cell. The TSC1 reads battery state by measuring terminal voltage at rest, and a fresh pack has a slightly different discharge curve than the worn cell it replaced. The device's low-battery threshold was calibrated against the old cell's voltage profile, so it reads the new pack's voltage drop under load as critically low. Run two or three full discharge-and-charge cycles and the device's voltage map will align with the new cell — the percentage readout stabilises after that.

Readings logged on the TSC1 are resetting mid-session, as if the device briefly lost power — what causes that?

This is a voltage dropout under sustained sensor and processing load, not a full shutdown. When the TSC1 runs continuous logging — scanner active, memory writing, backlight on — the sustained current draw pulls terminal voltage low enough to cause a momentary brown-out on the logic board, which resets the active session. The original pack's cells develop high internal resistance over charge cycles, making voltage sag worse under load. A replacement pack with low internal resistance maintains terminal voltage above the reset threshold during sustained operation — confirm the new pack is seated fully so contact resistance at the terminal block is not adding to the sag.

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