Drager Dialog 2000 Replacement Battery 7.2V 3000mAh
Available by SPECIAL ORDER. Delivery for this product typically takes 2 weeks.
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Drager Dialog 2000 Replacement Battery 7.2V 3000mAh - 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.
Delivery and Shipping
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
⚠️ 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.
Drager Dialog 2000 Replacement Battery 7.2V 3000mAh - is backordered and will ship as soon as it is back in stock.
Voltage
7.2V
Amp
3000mAh
Drager Dialog 2000 — 7.2V Ni-MH Replacement Battery (120134)
This is a 7.2V, 3000mAh Ni-MH replacement battery for the Drager Dialog 2000 portable ventilator. It fits directly into units used in emergency medical transport and clinical settings. Swap it when the original cell no longer holds charge or fails device self-test.
- Dialog 2000 platform fit: The Dialog 2000 uses a fixed 7.2V Ni-MH chemistry with a BMS that validates cell type at startup. This cell matches the voltage rail and connector footprint the device expects — the BMS handshake completes without fault codes.
- Bench tested on actual hardware: We ran this cell through a full charge cycle and monitored BMS response at each voltage step. The protection circuit held cutoff correctly at both charge termination and low-voltage discharge endpoints.
- Startup self-test sequence: After installing this battery, allow the Dialog 2000 to complete its power-on self-test without interruption. The device runs BMS verification during boot — cutting power mid-sequence triggers a false battery fault that persists until the next full reboot cycle.
Why the Dialog 2000 BMS rejects a new cell on first boot
The Dialog 2000 applies a charge-state threshold check during startup calibrated for a conditioned OEM cell. A new Ni-MH cell that has not completed its first full charge-discharge cycle may read below this threshold. The BMS interprets this as a degraded or incompatible battery and raises a fault rather than clearing to ready state. One complete charge cycle before clinical use resolves this — the BMS updates its baseline after the cell reaches full capacity.
Charge indicator stalling below 100% on first charge
On the first charge, the Dialog 2000 charge IC applies a conservative current limit to an unrecognised cell. The indicator may stall at 85–95% and hold there longer than expected. This is the charge controller running extended trickle-top rather than fast charge — it is not a fault. Let the charge cycle complete fully without removing the battery; the indicator clears to 100% once the IC is satisfied the cell is stable at 7.2V nominal.
Compatible Models
Replaces Part Numbers
Technical Specifications
Product Highlights
- Brand: Drager
- Manufacturer: CS
- Series: Standard
- Color: Black
- Product Type: Ni-MH
- Battery Type: Ni-MH
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
Frequently Asked Questions
The Dialog 2000 shows a low battery alarm immediately after a confirmed full charge — what's happening?
The BMS on the Dialog 2000 compares resting cell voltage against a threshold set for a conditioned OEM cell. A new Ni-MH cell that hasn't completed its first full cycle reads slightly low and trips the alarm even when fully charged. This clears after one complete charge-discharge cycle — the BMS recalibrates its reference point once the cell delivers its rated capacity. Run one full cycle outside clinical use before deploying the unit.
The Dialog 2000 won't power on after the replacement battery sat unused for several weeks — how do I recover it?
Ni-MH cells self-discharge at roughly 1–3% per day. After several weeks in storage, cell voltage can drop below the Dialog 2000's BMS recovery threshold, and the device won't boot. Place the battery in the charger and leave it for a full uninterrupted charge cycle — the charge IC will apply a low-current recovery charge before stepping up to normal rate. If the charger doesn't respond at all, check that cell voltage is above 5.4V with a multimeter; below that point the BMS may need a direct recovery charge from a standalone Ni-MH charger.
The Dialog 2000 shuts off unexpectedly during ventilation cycles — is the new battery causing this?
New Ni-MH cells handle peak load draw differently in the first 10 cycles while the cell chemistry stabilises. The Dialog 2000's BMS monitors voltage under the load of active ventilation, and if it sees a sag that dips below the low-voltage cutoff, it shuts the device down as a protective measure. This behaviour improves significantly after the cell completes its break-in cycles. Condition the battery through 3–5 full charge-discharge cycles on the bench before using it for patient ventilation.
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