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Rectangular lithium battery pack, light grey plastic, 53.2 by 34.0 by 5.7 mm, two wire leads

Estry

Estry G566 standard battery 1200mAh 3.7V

SKU CH-XHTG-ZNW2C MPN G566

Replacement lithium battery for NEC DECT handsets, 1200mAh at 3.7V with overcharge and short-circuit protection

  • Battery pack size1-pack
  • Battery typeLithium
  • Battery capacity1,200 mAh
  • Battery voltage rating3.7
  • Product typeBatteries
  • Exact-spec replacement keeps DECT handsets running
  • 1200mAh lithium cell delivers 4.44Wh of talk time
  • Built-in protection guards against overcharge and short circuit
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS
  • Slim 53.2×34.0×5.7mm pack fits original battery bay

Direct replacement battery

The Estry G566 is a 3.7V 1200mAh lithium cell built to match the original specifications for NEC DECT handsets. It delivers 4.44Wh of energy in a 53.2 x 34.0 x 5.7mm form factor weighing 48.0g. Overcharge, over-discharge, over-voltage and short-circuit protection are integrated for safe, durable operation.

Fits listed NEC handsets only

This pack suits owners of G566, G266, G277, G355, GX266, G955 or GX566 models who need a certified RoHS, CE, ISO9001, UN38.3 and MSDS compliant replacement. Buyers with other cordless phones or devices requiring a different voltage, capacity or physical size should look elsewhere.

3.7V 1200mAh lithium chemistry

The single specification that decides fit is the 3.7 volt 1200 milliampere-hour lithium cell in the exact 53.2 x 34.0 x 5.7mm dimensions. Confirm your handset model and original part number match the compatibility list before ordering.

How it compares

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

Price $11.99
Pricier than about 55% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameNEC
Product typeBatteries
Power
Battery typeLithium
Battery capacity1,200 mAh
Battery voltage rating3.7
In the box
Battery pack size1-pack

Questions about this item

Which handset models does this G566 battery fit?

It replaces the original pack in NEC G566, G266, G277 DECT Handset, G355, GX266, G955 and GX566 phones.

What does the 1200mAh capacity mean for daily talk time?

The 1200mAh lithium cell stores 4.44Wh at 3.7V, giving typical DECT handsets several hours of talk time and days on standby.

What connector standard does the pack use and what does it limit?

The pack uses the proprietary NEC connector; it fits only the listed G-series handsets and cannot be used in other devices.

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