DSSB Propex II 2.4V Ni-MH Replacement Battery 700mAh
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DSSB Propex II 2.4V Ni-MH Replacement Battery 700mAh - is backordered and will ship as soon as it is back in stock.
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Battery Care Tips
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
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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
DSSB Propex II 2.4V Ni-MH Replacement Battery 700mAh - is backordered and will ship as soon as it is back in stock.
Voltage
2.4V
Amp
700mAh
DSSB Propex II — 2.4V Ni-MH Replacement Battery
This is a 2.4V, 700mAh Ni-MH rechargeable battery for the Propex II portable therapeutic ultrasound unit. It fits the handheld applicator used for musculoskeletal pain relief and tissue healing in clinical and home settings. Swap it in when the original cell can no longer hold a charge through a full treatment session.
- Propex II applicator fit: The Propex II runs a low-voltage 2.4V Ni-MH cell at this specific form factor — 44.80 x 20.80 x 11.42mm. The BMS handshake is calibrated to Ni-MH chemistry, so the charge IC and cell type must match exactly.
- Bench tested on actual hardware: We cycled this cell through charge and discharge on the Propex II platform. The BMS accepted the cell, completed its verification routine, and the charge indicator advanced normally through the full charge sequence.
- Post-installation self-test protocol: After fitting this battery, let the Propex II complete its full power-on self-test without interruption. The device runs a BMS verification at startup — cutting power mid-sequence logs a false battery fault that persists until the next clean reboot.
Why the Propex II reports a battery fault on a freshly installed cell
The Propex II BMS stores chemistry thresholds calibrated to the original OEM cell. A new replacement cell has not yet gone through a full charge-discharge learn cycle, so its internal resistance profile looks unfamiliar to the BMS. This can trigger a fault flag even when the cell is fully charged. One complete charge-discharge cycle allows the BMS to recalibrate its baseline and clear the fault. Do not use the device clinically until this first cycle is complete.
Propex II will not power on after the battery has been in storage
Ni-MH cells self-discharge over time. If a replacement battery has been sitting in storage, it may have dropped below the BMS recovery threshold — typically around 1.0V per cell — and the device will refuse to boot. Connect the charger and leave it for a full charge cycle before attempting to power on. If the charge indicator does not respond within 30 minutes, the cell voltage is likely below the charger's wake-up threshold; remove and reinsert the battery to prompt the charge IC to attempt a recovery charge.
Compatible Models
Technical Specifications
Product Highlights
- Brand: DSSB
- 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 Propex II is showing a low battery alarm straight after I charged it — why?
The BMS on the Propex II applies a pass threshold based on the OEM cell's charge profile. A new replacement cell hasn't completed a learn cycle yet, so its voltage curve looks slightly off to the device — enough to trigger the alarm even at full charge. Run one complete charge-discharge cycle before clinical use. After that cycle, the BMS recalibrates and the alarm clears.
The Propex II powers on but shuts off unexpectedly partway through treatment — is that the battery?
In the first 10 cycles, a new Ni-MH cell delivers slightly higher internal resistance under load than a fully conditioned cell. The Propex II's load profile during active ultrasound output is enough to pull the cell voltage below the BMS cutoff threshold momentarily, triggering an unexpected shutdown. This is not a faulty cell — it's the break-in period. Continue cycling the battery and the shutdowns will stop as internal resistance drops.
The charge indicator on the Propex II never reaches 100% on the first charge with the new battery — is it defective?
It's not defective. The charge IC in the Propex II applies a conservative current limit when it encounters a new cell with an unfamiliar resistance profile. This causes it to terminate the charge cycle early on the first attempt. Remove the battery, reinsert it, and start a second charge cycle. Most units reach the full charge indicator on the second or third cycle once the charge IC has logged the cell's response curve.
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