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Rectangular Ni-MH battery pack 78.78 by 42.24 by 42.1 mm dark finish

Estry

Estry 28806 standard battery 7.2V 3000mAh 21.6Wh

SKU CH-YNFH-0JGA2 MPN 28806

Ni-MH replacement battery delivers 7.2 V, 3000 mAh and 21.6 Wh for compatible 2880-series devices

  • Specifications7.2
  • Battery Pack1 Year
  • Replaces original battery across 28806 28801 2880K 2880B 2880W 28802 2880A 2880C 2880D 2880T 2880 2880Q
  • Delivers 7.2V 3000mAh 21.6Wh Ni-MH power for extended runtime
  • Built with overcharge over-discharge over-voltage and short-circuit protection for safe operation
  • Certified to ISO9001 RoHS CE UN38.3 and MSDS standards for quality assurance
  • Compact 78.78 x 42.24 x 42.1mm design weighs 416.2g for easy installation

Direct replacement battery

The Estry 28806 is a nickel-metal hydride battery rated at 7.2 volts and 3000 milliampere-hours, delivering 21.6 watt-hours of energy. It matches the original dimensions of 78.78 by 42.24 by 42.1 millimetres and weighs 416.2 grams. The pack carries ISO9001, RoHS, CE, UN38.3 and MSDS certifications and includes overcharge, over-discharge, over-voltage and short-circuit protection.

Users with listed model numbers

This battery suits owners of devices using part numbers 28806, 28801, 2880K, 2880B, 2880W, 28802, 2880A, 2880C, 2880D, 2880T, 2880 and 2880Q. Buyers who need a different voltage, capacity or form factor should verify their original battery specifications before ordering.

Voltage and capacity match

The decisive specification is the 7.2 volt, 3000 milliampere-hour rating that must equal the original battery label. If the original pack shows different voltage or capacity values, this unit will not be compatible.

Highlights

  • Replaces original battery across 28806 28801 2880K 2880B 2880W 28802 2880A 2880C 2880D 2880T 2880 2880Q
  • Delivers 7.2V 3000mAh 21.6Wh Ni-MH power for extended runtime
  • Built with overcharge over-discharge over-voltage and short-circuit protection for safe operation
  • Certified to ISO9001 RoHS CE UN38.3 and MSDS standards for quality assurance
  • Compact 78.78 x 42.24 x 42.1mm design weighs 416.2g for easy installation

Specifications

BrandNi-MH
Model3000mAh
Specifications7.2
Battery Pack1 Year

Questions about this item

Does the 7.2 V Ni-MH pack generate noticeable heat during extended daily use?

The 7.2 V 3000 mAh Ni-MH chemistry runs cool under normal load; no active cooling is required.

What existing device must I own for this 28806 battery to function?

You need a compatible device such as the 28806, 28801, 2880K, 2880B, 2880W, 28802, 2880A, 2880C, 2880D, 2880T, 2880 or 2880Q model.

Will this 21.6 Wh replacement work alongside the original charger I kept from my older unit?

Yes, the pack matches the original 7.2 V specification so the existing charger remains compatible.

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