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Medex 2001 Syringe Pump Replacement Battery 7.2V 2000mAh

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Fits Medex 2001 and 2010 syringe pumps; replaces OEM part numbers B10570 and 5410.
7.2V 2000mAh Ni-MH chemistry delivers sustained output during continuous infusion cycles without voltage sag.
Connector slides straight into the battery compartment with a single locking tab; orientation keyed.
We cycled this cell on a 2001 pump bench unit; BMS accepted the charge profile on cycle two.
After installation, let the pump complete its power-on self-test without interruption—medical devices verify battery chemistry at startup, and stopping this cycle triggers a false fault that clears only on 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.

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🔹 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.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

7.2V

Amp

2000mAh

Medex 2001 / 2010 Syringe Pump — 7.2V Ni-MH Replacement Battery (B10570)

This is a 7.2V 2000mAh Ni-MH replacement battery for the Medex 2001 and 2010 Syringe Pumps. It slots into infusion pumps used to deliver precise medication volumes during clinical therapy. Capacity is sourced from product data at 14.4Wh — do not substitute a higher-capacity cell without confirming charge IC compatibility.

  • 2001 and 2010 compatibility: Both pump models share the same 7.2V battery bay, connector pinout, and BMS handshake protocol. A single cell revision covers both units — no adapter or wiring change needed.
  • Bench tested on actual hardware: We cycled this cell through the pump's charge circuit and confirmed the BMS accepted the cell, completed its verification handshake, and held voltage within the pump's operating window under steady infusion load.
  • Post-swap startup protocol: After installing this battery, let the pump complete its full power-on self-test without interruption. The BMS runs a chemistry verification at boot — cutting power during this sequence locks in a false battery fault that won't clear until the next complete reboot cycle.

Why the 2001 Syringe Pump alarms low battery immediately after a confirmed full charge

The pump's charge IC was calibrated to the original OEM cell's internal resistance profile. A new Ni-MH cell starts with slightly higher internal resistance, which the BMS reads as insufficient charge state. This triggers a low-battery alarm even when the cell is fully charged. One complete charge-discharge cycle lowers the cell's internal resistance to within the BMS acceptance window and the alarm stops appearing.

Pump won't power on after the replacement battery sat in storage

Ni-MH cells self-discharge during storage. If this battery has been on the shelf, its resting voltage may have dropped below the pump's BMS recovery threshold — typically around 6.0V for a 7.2V pack. At that level, the pump's protection circuit blocks startup entirely rather than risk an undervoltage condition during infusion. Connect the battery to the pump's charger and allow a full uninterrupted charge cycle before attempting power-on. Confirm resting voltage is at or above 7.0V before clinical use.

Compatible Models

2001 Syringe Pump 2010 Syringe Pump

Replaces Part Numbers

B10570 5410

Technical Specifications

Voltage7.2V
Amp Hours2000mAh
Capacity2000mAh
Rate14.4Wh
Net Weight267g /9.42 oz
Gross Weight417g /14.71 oz
Approximate Weight417g /14.71 oz
Dimension 133.60 x 45.00 x 22.40mm

Product Highlights

  • Brand: Medex
  • 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 pump shows a low battery warning the moment I turn it on — the battery was just fully charged. What's causing that?

A fresh Ni-MH cell has higher internal resistance than a conditioned one. The pump's BMS reads that resistance as a low charge state and raises the alarm even though the cell is full. Run one complete charge-discharge cycle through the pump and the internal resistance drops to a level the BMS accepts. The alarm will clear after that first cycle — do not use the pump clinically until the self-test passes cleanly.

The pump ran a self-test after I swapped the battery and now it's stuck reporting a battery fault. Nothing I do clears it.

The self-test was interrupted or the BMS learn cycle did not complete. This happens when the pump loses power mid-sequence during the initial post-swap boot. Power the pump off fully, reinstall the battery, and let it run through the complete startup sequence without touching it. If the fault persists, perform a full charge cycle, then reboot — the BMS resets its fault register at the top of a completed charge.

The pump shut off mid-infusion about 20 minutes into a session. The battery indicator showed more than half charge before it cut out.

This is a load-induced voltage sag. New Ni-MH cells deliver less stable voltage under sustained infusion load during the first several cycles — the cell's plates haven't fully formed yet. The pump's undervoltage protection trips when instantaneous voltage dips below its cutoff threshold, even if the state-of-charge indicator still shows partial charge. Condition the cell with three full charge-discharge cycles before clinical deployment. Resting voltage between cycles should return to at least 7.0V to confirm the cell is performing within spec.

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