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Yellow rectangular Ni-MH battery pack with label and connector

Estry

Estry 14.4V 2800mAh Ni-MH Battery Replacement for iRobot Roomba GD-RA-500 VAC-500NMH-33 11702

SKU CH-ZBQ6-YZZ99

A 14.4 V, 2800 mAh Ni-MH replacement battery with overcharge and short-circuit protection for Roomba and Scooba models

  • Battery pack size1 Year
  • Details14.4
  • Reliable runtime from 2800 mAh Ni-MH capacity
  • Exact-fit replacement for GD-RA-500, VAC-500NMH-33 and 11702 part numbers
  • Broad compatibility across RA, Scooba and Xlife models
  • Built-in overcharge, over-discharge, over-voltage and short-circuit protection
  • Certified to ISO 9001, RoHS, CE, UN 38.3 and MSDS standards

Replacement Battery for iRobot Roomba and Scooba

This 14.4V 2800mAh nickel-metal hydride pack replaces the original GD-RA-500, VAC-500NMH-33 and 11702 cells. It fits a long list of Roomba models including the RA R3, 532, 535, 540, 560, 650, 760, 780, 800, 900 and the Scooba 450. The pack delivers 40.32Wh of energy for compatible robots.

Built to Original Dimensions with Safety Circuitry

The battery measures 136.56 by 56.14 by 46.0mm and weighs 560.5g, matching the factory form factor for a direct swap. Integrated protection guards against overcharge, over-discharge, over-voltage and short circuits. Certifications include ISO9001, RoHS, CE, UN38.3 and MSDS for regulated transport and materials compliance.

Ni-MH Chemistry Sets Practical Limits

Nickel-metal hydride technology self-discharges faster than lithium types, so the robot should be docked between cleaning runs. Capacity will gradually decline with repeated deep cycles, and the pack cannot be fast-charged beyond the dock’s standard rate. Buyers needing longer run-time per charge or multi-year capacity retention should consider lithium upgrades where the robot firmware supports them.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $46.99
Pricier than about 90% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameNi-MH
Model name2,800 mAh
In the box
Battery pack size1 Year

Questions about this item

What voltage and capacity does the 14.4V 2800mAh Ni-MH pack deliver?

The pack supplies 14.4 volts and 2800 milliampere-hours, giving 40.32 watt-hours of energy for compatible Roomba and Scooba models.

What are the exact dimensions and weight for the battery compartment fit?

The pack measures 136.56 by 56.14 by 46.0 millimetres and weighs 560.5 grams, matching the original GD-RA-500 form factor.

How is the replacement installed and what step is often missed?

Power off the robot, open the battery door, unplug the old pack, connect the new pack ensuring the connector clicks fully, close the door, then charge fully before first use.

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