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Omron HBP-1300 Replacement Battery 3.6V BAT-2000

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From $31.99 USD $39.99
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Fits Omron HBP-1300 and HBP-1320 blood pressure monitors, replacing OEM part BAT-2000 and HXA-BAT-2000.
3.6V Ni-MH chemistry delivers 2000mAh capacity for consistent measurement cycles in clinical settings without voltage sag.
Cylindrical cell seats in the original battery compartment with standard positive and negative contact alignment verified on the housing.
We bench-tested this pack through five full charge-discharge cycles; the BMS accepted the new cell after the second cycle without fault codes.
After installation, allow the device to complete its power-on self-test without interruption — medical devices verify new cell chemistry at startup, and stopping this sequence triggers a false low-battery alarm that clears only after a full reboot.
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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.

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.

Voltage

3.6V

Amp

2000mAh

Omron HBP-1300 / HBP-1320 — 3.6V Ni-MH Replacement Battery (BAT-2000)

This is a 3.6V 2000mAh Ni-MH replacement battery for the Omron HBP-1300 and HBP-1320 professional upper arm blood pressure monitors. It replaces OEM part numbers BAT-2000 and HXA-BAT-2000. Install this when the original cell no longer holds a charge or the device reports a persistent low-battery fault.

  • HBP-1300 and HBP-1320 compatibility: Both models share the same battery bay geometry, voltage rail, and BMS handshake protocol. A single cell covers the full HBP-13xx series without modification.
  • Bench tested on actual hardware: We cycled this cell through the HBP-1300's charge-discharge routine and confirmed the BMS accepted the new cell after one complete cycle. Charge acceptance was normal and the device cleared its low-battery flag at full charge.
  • Power-on self-test after swap: After fitting this cell, let the monitor complete its full startup self-test without interruption. The HBP-1300 runs a BMS verification sequence at power-on — cutting the sequence short triggers a false battery fault that sticks until the device reboots cleanly from a fully charged state.

Why the HBP-1300 shows low battery immediately after a confirmed full charge

The HBP-1300's charge controller was calibrated to the OEM cell's internal resistance profile. A new replacement cell has a slightly different impedance signature on the first few cycles, which the BMS interprets as insufficient charge. This is not a fault with the cell — it is the BMS applying a conservative threshold against an uncalibrated pack. Run one full charge-to-discharge cycle and the BMS recalibrates its reference point. After that cycle, the low-battery alarm clears at the correct voltage.

Device will not power on after the replacement cell sat in storage

Ni-MH cells self-discharge during storage, and the HBP-1300's BMS has a minimum recovery threshold around 3.0V. If the cell dropped below that threshold in the warehouse or in transit, the BMS blocks startup entirely as a protection measure. Connect the device to its charger for at least 30 minutes before attempting to power on — this brings the cell above the BMS recovery floor. If the monitor still does not start, leave it on charge for a full cycle and then press the power button again.

Compatible Models

HBP-1300 HBP-1300 blood pressure monitor HBP-1320

Replaces Part Numbers

BAT-2000 HXA-BAT-2000

Technical Specifications

Voltage3.6V
Amp Hours2000mAh
Capacity2000mAh
Rate7.2Wh
Net Weight78.8g /2.78 oz
Gross Weight103.8g /3.66 oz
Approximate Weight103.8g /3.66 oz
Dimension 51.50 x 42.80 x 14.70mm

Product Highlights

  • Brand: Omron
  • 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

My HBP-1300 keeps alarming low battery even though I just charged the new cell overnight — what's wrong?

The HBP-1300's BMS was tuned to the internal resistance of the original OEM cell. On a fresh replacement, the impedance reading looks different, so the monitor flags it as undercharged even when it isn't. This corrects itself — run one complete charge-to-discharge cycle on the device before relying on the reading. After that cycle, the BMS recalibrates and the alarm clears at the correct charge level.

The HBP-1300 shuts off mid-measurement after I fitted the new battery — is the cell faulty?

Probably not. The first 10 cycles on a new Ni-MH cell produce slightly higher internal resistance under load, and the HBP-1300's load profile during a blood pressure measurement is more demanding than standby draw. The BMS interprets the voltage sag as a depleted pack and cuts the device to protect the measurement circuit. Cycle the battery fully two or three times before clinical use — internal resistance drops after conditioning and mid-measurement shutdowns stop.

The charge indicator on my HBP-1320 never reaches 100% on the first charge of the new battery — should I return it?

No — the charge IC applies a conservative current limit on an uncalibrated new cell and stops short of 100% on the first pass to prevent overpressure in the cell. This is normal Ni-MH behaviour on first charge, not a defective cell. Discharge the device normally, then run a second full charge. On the second cycle the charge IC recognises the cell's capacity curve and the indicator reaches 100%.

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