iRobot Roomba 400 Vacuum Cleaner Battery 14.4V 4000mAh Nickel Metal Hydride IRB420VX

By irobot


  • Product Model: IRB420VX
  • Chemistry: Nickel Metal Hydride (NiMH)
  • Type:
  • Voltage: 14.4V
  • Capacity: 4000mAh
  • Size:
  • Information Link:

Delivery within 2-6 weeks

Available on back-order

iRobot Roomba 400 Vacuum Cleaner Battery 14.4V 4000mAh Nickel Metal Hydride IRB420VX

Simpower has a full range of Replacement Vacuum Cleaner Batteries. See below which model this battery is compatible with.

Related document: Information on replacement batteries.

Simpower has a wide range of Vacuum Cleaner Batteries and Battery Packs – search by type, or model, or filter by brand to find the one you are after.

If the product you are after is not showing on our site please contact us to discuss further.

Please be aware that the changes in the IATA regulations for batteries is impacting on some of our air consignments from overseas – apologies in advance if this affects your order.
40 Years Experience
SIMPOWER is at the forefront of battery technology. With 40 years of expertise and experience in research contracts, design and developing of both new technology cells and specialist industrial battery applications.

In other words from concept of cells to production manufacturing, SIMPOWER knows how to achieve customer satisfaction.

Own Manufacturing
SIMPOWER has its own manufacturing plant with state of the art welding and manufacturing equipment servicing all parts of New Zealand from the southern to northern end of the country with a quick efficient service. They offer free technical advice* on battery selection and pack design and have extensive technical advice.

SIMPOWER offers a unique facility and service of repacking battery packs for equipment which is no longer produced or perhaps difficult to source. Where possible they replace existing cells with increased capacity batteries to improved customers run time and service life if possible.

* Advice is free for the first 60 minutes, or part thereof. All subsequent advise will be billed at the SIMPOWER hourly rate or an agreed amount, subject to subsequent sales.

SIMPOWER has extensive knowledge and expertise of cells and battery pack build and is an exclusive distributor in NZ for SAFT, a world leader and innovator in cell technologies, as well as an approved distributor for PANASONIC, SENTRY, EVE, ARTS Energy and a supplier of FDK, DURACELL, Sonnenschein among others. SIMPOWER carries a wide range of many brands in stock and has the ability to source all leading brands from the global market place.

Contact us to discuss your requirements further.


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Wattage: 57.60Wh
Technology Charged:
Standard Charge Current:
Standard Current Charge Time:
Quick Charge Current:


Technology:Nickel Metal Hydride (NiMH)
Length:5.2 cm
Width/Diameter:17.9 cm
Height:5.1 cm
Cell Profile:


Compatible Parts:
  • iRobot 17373
  • iRobot 11700
Compatible Models:
  • iRobot Roomba 400
  • iRobot Roomba 4000
  • iRobot Roomba 405
  • iRobot Roomba 410
  • iRobot Roomba 4100
  • iRobot Roomba 4105
  • iRobot Roomba 4110
  • iRobot Roomba 4130
  • iRobot Roomba 415
  • iRobot Roomba 4150
  • iRobot Roomba 416
  • iRobot Roomba 4170
  • iRobot Roomba 418
  • iRobot Roomba 4188
  • iRobot Roomba 4210
  • iRobot Roomba 4220
  • iRobot Roomba 4225
  • iRobot Roomba 4230
  • iRobot Roomba 4232
  • iRobot Roomba 4240
  • iRobot Roomba 4250
  • iRobot Roomba 4260
  • iRobot Roomba 4270
  • iRobot Roomba 4290
  • iRobot Roomba 4296
  • iRobot Roomba 4905
  • iRobot Roomba Discovery 400
  • iRobot APS 4905
  • iRobot Create
  • iRobot Dirt Dog
  • iRobot Discovery
  • iRobot Roomba FloorVac 400