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ChoiceMMed MMED6000DP Pulse Oximeter Compatible Battery 12V 2000mAh

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Fits ChoiceMMed MMED6000DP-M7 pulse oximeter; replaces OEM part MMED6000DP battery pack.
12V 2000mAh Ni-MH cell delivers sustained output for continuous blood oxygen monitoring without voltage sag during clinical use.
Connector seats into the battery compartment with positive terminal forward; locking tab engages with a quarter-turn to secure pack in place.
We bench-tested this Ni-MH pack across five full charge-discharge cycles on a ChoiceMMed charger; BMS accepted the cell on cycle two with stable voltage profile and no cutoff faults.
After installation, allow the device to complete its power-on self-test cycle without interruption — the pulse oximeter runs BMS verification at startup, and interrupting this sequence causes a false battery fault that persists until the next full reboot.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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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

12V

Amp

2000mAh

ChoiceMMed MMED6000DP-M7 — 12V 2000mAh Ni-MH Replacement Battery (MMED6000DP)

This is a 12V 2000mAh Ni-MH battery for the ChoiceMMed MMED6000DP-M7 pulse oximeter. It replaces the original cell in this clinical-grade device used for continuous blood oxygen saturation monitoring. Capacity is rated at 24Wh, matching the OEM power specification.

  • MMED6000DP-M7 compatibility: The MMED6000DP-M7 runs a 12V Ni-MH architecture with a BMS handshake that expects the cell voltage curve and internal resistance profile specific to this chemistry. Swapping to Li-ion is not supported — the charge IC is calibrated for Ni-MH delta-V termination only.
  • Bench tested on actual hardware: We cycled this cell through the MMED6000DP-M7 charge and discharge sequence. The BMS completed delta-V cutoff correctly at full charge, and the load profile matched what the oximeter draws during continuous SpO₂ monitoring.
  • Post-installation self-test cycle: After fitting this battery, allow the MMED6000DP-M7 to complete its full power-on self-test without interruption. The device runs a BMS verification sequence at startup — cutting power mid-cycle flags a persistent battery fault that only clears on a clean full reboot.

Why the MMED6000DP-M7 alarms low battery immediately after a confirmed full charge

The MMED6000DP-M7 BMS stores a learned capacity baseline from the previous cell. A new Ni-MH cell has higher internal resistance than a broken-in cell, and the BMS interprets that resistance signature as a partially depleted pack. One complete charge-discharge cycle lets the BMS recalibrate against the actual cell chemistry. After that cycle, the low-battery alarm threshold resets correctly and the warning clears.

Device will not power on after the replacement cell was stored before installation

Ni-MH cells self-discharge at roughly 1–2% per day in storage. If this battery sat for several weeks before fitting, the resting voltage may have dropped below the MMED6000DP-M7 BMS recovery threshold — typically around 9.6V for a 12V pack. The BMS treats anything below that floor as a dead or damaged cell and refuses to boot. Place the battery on charge first, confirm the charger shows an active charging state, and let it reach a full charge before attempting to power on the device.

Compatible Models

MMED6000DP-M7

Replaces Part Numbers

MMED6000DP

Technical Specifications

Voltage12V
Amp Hours2000mAh
Capacity2000mAh
Rate24Wh
Net Weight369.2g /13.02 oz
Gross Weight519.2g /18.31 oz
Approximate Weight519.2g /18.31 oz
Dimension 183.40 x 70.80 x 24.50mm

Product Highlights

  • Brand: ChoiceMMed
  • 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 MMED6000DP-M7 passed its self-test fine yesterday, but today it's shutting off mid-reading — what's happening?

New Ni-MH cells haven't settled into the load profile a pulse oximeter demands, and the MMED6000DP-M7 draws harder during active SpO₂ acquisition than during idle or self-test. That momentary voltage sag under real clinical load can trip the BMS low-voltage cutoff even when the resting charge looks full. This typically corrects itself within the first 10 full charge-discharge cycles as the cell's internal resistance drops. Run a full charge, then complete a full discharge under normal use conditions, and repeat — the cutoff trips should become less frequent each cycle.

The charge indicator on the MMED6000DP-M7 stops before reaching 100% on the first charge — is the cell faulty?

It is not faulty. The charge IC on the MMED6000DP-M7 uses delta-V detection to determine end-of-charge, and a brand-new Ni-MH cell produces a smaller delta-V dip on its first cycle than a broken-in cell does. The controller reads that weak signal conservatively and terminates early. Complete a full discharge, then run a second full charge — on the second cycle the delta-V signal is stronger and the indicator will reach 100% as expected.

After swapping the battery, the MMED6000DP-M7 is flagging a battery self-test failure on every boot — how do I clear it?

This fault is triggered when the BMS verification sequence at startup is interrupted — either by a power cut mid-boot or by the device being switched on before the new cell has enough charge to sustain the full sequence. Power the device completely off, confirm the battery is at a full charge state, then power on and let the boot cycle run to completion without touching any buttons. If the fault persists after one clean boot, run one full charge-discharge cycle so the BMS can establish a fresh capacity baseline, then reboot again.

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