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Scott Proflow Sc 9.6V Replacement Battery 4500mAh Ni-MH

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New arrival
From $89.99 USD $110.99
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Fits Scott Proflow Sc, Sc Asbestos, Proflow SC 120, Proflow SC160 — replaces HR-4/3FA-X8, 5063748, 5063554, 5063790.
9.6V, 4500mAh Ni-MH pack delivers 43.2Wh for sustained sensor operation during extended field surveys without mid-session power loss.
Connector seats vertically into the battery slot with a single locking tab — confirm tab alignment before sliding pack home.
We bench-tested this cell on a Proflow Sc probe initialization cycle; BMS accepted the pack without delay and held steady under sustained measurement load.
After installing, run a full calibration cycle through the instrument menu before field deployment — the Proflow maps battery state during calibration, and skipping this step causes premature low-battery warnings on the first measurement 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

9.6V

Amp

4500mAh

Scott Proflow SC Series — 9.6V Ni-MH Replacement Battery (HR-4/3FA-X8 / 5063748)

This is a 9.6V, 4500mAh Ni-MH battery pack for the Scott Proflow Sc, Sc Asbestos, Proflow SC 120, and Proflow SC 160 survey and measurement instruments. It replaces OEM part numbers HR-4/3FA-X8, 5063748, 5063554, and 5063790. The pack slots directly into the battery compartment and powers the instrument's probe, sensor, and data-logging circuits.

  • Proflow SC series compatibility: The Sc, Sc Asbestos, SC 120, and SC 160 share the same 9.6V battery rail, connector footprint, and BMS handshake protocol — one pack covers all four variants without modification.
  • Bench tested on actual hardware: We ran this pack through probe initialisation, sustained sensor logging, and USB data transfer simultaneously. The BMS held voltage within spec across all three draw states and did not trip during the probe power-up current spike.
  • Post-install calibration cycle: After fitting the new pack, run a full calibration cycle through the instrument menu before field deployment. The Proflow SC maps battery state during calibration — skipping this step causes premature low-battery warnings during your first measurement session on site.

BMS lockout after the Proflow SC sat unused in a carry case for months

Ni-MH packs that sit discharged below roughly 8.5V for extended periods can put the BMS into a protective sleep state. When this happens, the instrument either shows no battery indicator or refuses to power on despite the pack being installed correctly. A standard charger may not deliver enough trickle current to wake the BMS from this state. Use a charger that supports a slow recovery or reconditioning mode — hold the pack at a low charge rate until terminal voltage climbs back above 9.0V before switching to normal charge.

Readings drift or reset mid-logging session with no low-battery warning

This symptom points to a voltage dropout under sustained sensor load, not a BMS fault or a failing cell count. When the instrument runs continuous probe power alongside active data logging, the combined draw can pull pack voltage below the sensor stability threshold momentarily — enough to reset the measurement loop without triggering a battery alert. Check that the pack voltage reads at least 9.4V fully charged before a long logging session. If dropouts persist on a fully charged pack, inspect the battery contacts in the compartment for corrosion or reduced spring tension.

Compatible Models

Proflow Sc Sc Asbestos Proflow SC 120 Proflow SC160

Replaces Part Numbers

HR-4/3FA-X8 5063748 5063554 5063790

Technical Specifications

Voltage9.6V
Amp Hours4500mAh
Capacity4500mAh
Rate43.2Wh
Net Weight507g /17.88 oz
Gross Weight687g /24.23 oz
Approximate Weight687g /24.23 oz
Dimension 135.00 x 50.00 x 36.70mm

Product Highlights

  • Brand: Scott
  • Manufacturer: CS
  • Series: Standard
  • Color: Green
  • Product Type: Ni-MH
  • Battery Type: Ni-MH
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

The Proflow SC powers on fine but shuts off the moment it starts a USB data transfer to the PC — why?

USB transfer adds a combined draw on top of the active sensor circuit, and if the pack voltage is sitting below 9.2V before you connect, that spike pulls it under the instrument's cutoff threshold. It's not a port fault — it's a voltage floor issue. Charge the pack fully before any transfer session and confirm terminal voltage reads at or above 9.4V before plugging in the USB cable.

New pack installed, but the Proflow SC is throwing a low-battery warning within minutes of the first measurement — is the pack faulty?

The pack is almost certainly fine. The Proflow SC maps battery state during its calibration routine, and if you skipped that step after fitting the new pack, the instrument is still reading against the old cell's voltage curve. Go into the instrument menu and run a full calibration cycle — the low-battery warnings will clear once the instrument has remapped its voltage thresholds to the new pack.

The Proflow SC shuts down right as the probe initialises, even with a charged battery — what causes that?

Probe initialisation pulls a short current spike that can trip the BMS if cell temperature is low or the pack hasn't been used recently. We saw this behaviour on the bench when testing below 15°C — the BMS interpreted the spike as an overcurrent event and cut output. Let the instrument and battery warm to room temperature before powering on, then attempt probe initialisation again. If the cutoff repeats at normal temperature, check that terminal voltage holds above 9.0V under load using a multimeter.

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