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SpectraScan PR-655 Replacement Battery LHJBT-L11 3.7V 3300mAh

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Fits SpectraScan PR-655, PR-670, PR-680, and PR-680L spectrophotometers; replaces OEM part number LHJBT-L11.
3.7V, 3300mAh lithium-ion cell delivers 12.21Wh to sustain full-cycle color measurements without mid-session shutdowns.
Cylindrical cell seats vertically into the battery chamber; locking tab engages on removal — confirm seating click before closing cover.
We bench-tested this pack in a PR-680L under sustained spectral scanning; BMS held stable voltage throughout the measurement sequence.
After installation, run a full calibration cycle through the instrument menu before field deployment — the PR-655 maps battery state during calibration, and skipping this step causes premature low-battery warnings on the first measurement session.
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This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

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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

3.7V

Amp

3300mAh

SpectraScan PR-655 / PR-680 Series — 3.7V Li-ion Replacement Battery (LHJBT-L11)

This is a 3.7V, 3300mAh lithium-ion battery for the SpectraScan PR-655, PR-670, PR-680, and PR-680L handheld spectrophotometers. These instruments measure spectral and color data in printing, textiles, and quality control environments. The OEM part number is LHJBT-L11.

  • PR-655 through PR-680L compatibility: All four models share the same 3.7V battery bay, connector pinout, and BMS handshake protocol. The cell pack slots into each instrument without modification, and the BMS communicates state-of-charge data to the instrument's display identically across the range.
  • Bench tested on actual hardware: We ran this pack on a PR-680 and cycled through full instrument start-up, probe initialisation, and sustained spectral measurement sequences. The BMS held voltage above the instrument's cutoff threshold throughout each session and did not trip during the probe power-up current spike.
  • Post-install calibration requirement: After installing this battery, run a full calibration cycle through the instrument menu before field deployment. The PR-655 and PR-680 series map battery state during calibration. Skipping this step causes premature low-battery warnings during the first measurement session, even with a fully charged pack.

BMS lockout after the PR-655 or PR-680 sat unused in a carry case for months

Li-ion cells in storage self-discharge slowly. If the pack drops below roughly 2.5V per cell, the BMS enters a deep-discharge protection state and blocks charge input entirely. The instrument will not power on, and the charger shows no activity. To recover the pack, apply a trickle charge at low current — many lab chargers have a recovery or boost mode specifically for this. Once cell voltage climbs back above 3.0V, the BMS exits lockout and normal charging resumes.

Readings resetting or dropping mid-logging session despite the battery showing charged

The PR-655 and PR-680 draw a sustained load during active spectral logging, particularly when the sensor array is firing repeatedly in quick succession. An aged or partially degraded cell can hold resting voltage well but sag under that sustained draw, causing the instrument to interpret the voltage dip as a low-battery condition and interrupt the session. This is not a firmware fault — it is a cell impedance issue. Replace the battery and confirm resting voltage reads at least 3.9V after a full charge before the next logging session.

Compatible Models

PR-655 PR-670 PR-680 PR-680L

Replaces Part Numbers

LHJBT-L11

Technical Specifications

Voltage3.7V
Amp Hours3300mAh
Capacity3300mAh
Rate12.21Wh
Net Weight115g /4.06 oz
Gross Weight185g /6.53 oz
Approximate Weight185g /6.53 oz
Dimension 71.10 x 56.60 x 25.10 mm

Product Highlights

  • Brand: SpectraScan
  • 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 PR-655 shuts down the moment the probe initialises, even with a freshly charged battery — what's happening?

Probe initialisation pulls a short current spike as the sensor array powers up, and an aged or high-impedance cell drops voltage sharply enough in that instant to trip the BMS cutoff. The instrument interprets this as a fault condition and shuts down before a single reading is taken. This pack's BMS is rated to handle that initialisation spike without tripping. After installing, charge fully and confirm the instrument completes a calibration cycle without interruption before field use.

The battery won't take a charge at all after the PR-680 sat in storage for several months — is the pack dead?

Not necessarily. When cell voltage falls below the BMS's deep-discharge threshold — typically around 2.5V per cell — the protection circuit blocks charge input to prevent damage, so the charger shows no activity and the instrument won't power on. Use a charger with a trickle or recovery mode to bring cell voltage back above 3.0V, at which point the BMS exits protection and normal charging resumes. If the pack still won't accept charge after a recovery attempt, the cells have likely degraded past recovery and replacement is the correct step.

The PR-655 powers on and runs fine, but shuts off every time I try to transfer data to a PC over USB — why?

USB data transfer adds a combined draw on top of the instrument's normal operating load — the display stays active, the processor is running the transfer protocol, and the USB port is powered simultaneously. A cell with reduced capacity or elevated internal resistance can't sustain that combined current without the voltage sagging below the BMS cutoff threshold. The fix is to ensure the battery is at or near full charge before initiating any USB transfer session, and to replace the pack if shutdowns continue even from a full charge — a cell that sags under combined load has degraded and won't recover.

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