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Rectangular lithium battery pack with flat grey finish and gold contacts

Estry

Estry U790 standard battery 1800mAh 3.7V

SKU CH-4HRM-DA4ZC MPN U790

Lithium replacement cell delivers 1800 mAh at 3.7 V for U790, MF63 and EUFI890 devices

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity1800mAh
  • Battery Voltage3.7
  • 1800 mAh capacity powers devices longer
  • 7 V lithium chemistry matches original specifications
  • Overcharge and short-circuit protection extends safe usage
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Slim 5.5 mm profile fits U790, MF63 and EUFI890 models

Replacement lithium battery

The Estry U790 is a single-cell lithium replacement battery rated at 1800mAh and 3.7V. It matches the original specifications for devices using the U790, MF63 or EUFI890 model numbers. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits. The cell measures 64.83 x 43.97 x 5.5mm and weighs 56.0g.

Who this suits and who should look elsewhere

Suits owners of equipment that specifies the Li3717T42P3h654458 part or the compatible model list above. Buyers whose device requires a different voltage, capacity or physical footprint should look elsewhere. Those needing a multi-cell pack or a chemistry other than lithium will not be served by this unit.

Capacity and voltage

The decisive specification is the 1800mAh capacity at 3.7V, delivering 6.48Wh of energy. This figure determines whether the battery can replace the original without loss of run-time.

Highlights

  • 1800 mAh capacity powers devices longer
  • 7 V lithium chemistry matches original specifications
  • Overcharge and short-circuit protection extends safe usage
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Slim 5.5 mm profile fits U790, MF63 and EUFI890 models

Specifications

TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity1800mAh
Battery Voltage3.7

Questions about this item

What voltage does the Estry U790 battery deliver and what capacity does that support?

The battery provides 3.7V with a rated capacity of 1800mAh, yielding 6.48Wh of energy for the U790 device.

Will the 64.83 x 43.97 x 5.5mm dimensions and 56.0g weight fit the U790 battery compartment?

Yes, those exact dimensions and weight match the original Li3717T42P3h654458 pack for U790, Authentic MF63 and EUFI890 models.

How do I install the replacement battery and what common step should I avoid?

Power off the device, open the battery cover, disconnect the old pack, connect the new battery matching the connector orientation, then close the cover; do not force the connector in reverse.

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