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Rectangular silver battery pack, 136.56 by 56.14 by 46.0 mm, 560.5 g

Estry

Estry U290 standard battery 14.4V 2800mAh 40.32Wh

SKU CH-X3KW-3E4BJ MPN U290

Ni-MH replacement battery for the U290 robotic model, 14.4V 2800mAh 40.32Wh with overcharge and short-circuit protection

  • Specifications14.4
  • Battery Pack1 Year
  • Exact-fit replacement for U290 robots
  • 4V 2800mAh delivers 40.32Wh runtime
  • Overcharge, over-discharge and short-circuit protection built in
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS
  • Compact 136.56 x 56.14 x 46.0mm, weighs 560.5g

Compatible replacement battery

The Estry U290 is a nickel-metal hydride battery pack built to match the original specifications for the U290 robotic model. It delivers a nominal voltage of 14.4V and a capacity of 2800mAh for 40.32Wh of energy. The pack measures 136.56 x 56.14 x 46.0mm and weighs 560.5g. It includes overcharge, over-discharge, over-voltage and short-circuit protection circuits.

Who this suits and who should look elsewhere

This battery suits owners of a U290 robotic device who need a direct-replacement power pack with the original voltage, capacity and physical dimensions. Buyers whose equipment requires a different voltage, a higher or lower capacity, or a different form factor should look elsewhere. The pack is certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards for safety and quality assurance.

Deciding specification: model compatibility

The single specification that decides fit is the compatible model number U290. Confirm that your device lists the U290 as its battery model or part number before purchasing. No other battery model or part number is referenced in the compatibility data.

Highlights

  • Exact-fit replacement for U290 robots
  • 4V 2800mAh delivers 40.32Wh runtime
  • Overcharge, over-discharge and short-circuit protection built in
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS
  • Compact 136.56 x 56.14 x 46.0mm, weighs 560.5g

Specifications

BrandNi-MH
Model2800mAh
Specifications14.4
Battery Pack1 Year

Questions about this item

How do I install the Estry U290 battery and what step is often missed?

Power off the U290, open the battery compartment, align the 136.56 x 56.14 x 46.0 mm pack with the connectors, insert firmly until it clicks, then close the latch; the step often missed is fully seating the pack so the contacts engage completely.

What maintenance or replacement will the Ni-MH 2800 mAh pack need later?

Ni-MH cells self-discharge; recharge every few months during storage and replace the pack when run time falls well below the rated 40.32 Wh capacity.

What limit appears first during sustained use of the 14.4 V 40.32 Wh battery?

The 2800 mAh capacity sets the run-time limit; under continuous load the pack will reach its 40.32 Wh energy ceiling before thermal protection activates.

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