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Small rectangular Ni-MH battery pack 30 by 32 by 10.5 millimetres with two wire leads

Estry

Estry standard battery 3.6V 300mAh for BT Freestyle 60 65 Quartet 1000 1100 1500

SKU CH-GS8S-1JB2K

Ni-MH 3.6V 300mAh replacement battery fits BT Freestyle 60, 65 and Quartet 1000, 1100, 1500 cordless phones

  • Battery pack size1 Year
  • Details3.6
  • Exact-fit replacement for BT Freestyle and Quartet handsets
  • 6 V 300 mAh Ni-MH delivers 1.08 Wh of talk time
  • Built-in overcharge, over-discharge and short-circuit protection
  • Compact 30.0 × 32.0 × 10.5 mm pack weighs 45.0 g
  • Certified to ISO 9001, RoHS, CE and UN 38.3 standards

Replacement Battery for BT Cordless Phones

This Estry battery replaces the original power cell in BT Freestyle and Quartet handsets. It fits the Freestyle 60, Freestyle 6, Freestyle 65, Quartet 1000, Quartet 1100 and Quartet 1500 models. The pack is supplied new and ready to install.

Voltage and Capacity Match

The cell delivers 3.6V and 300mAh, matching the original specification exactly. This electrical match is the single detail that determines whether the handset will charge and run correctly. A different voltage or capacity would prevent proper operation.

Certified Safety and One-Year Coverage

The pack carries ISO9001, RoHS, CE, UN38.3 and MSDS certifications, confirming compliance with quality and environmental standards. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits. The manufacturer backs the battery with a one-year warranty period.

How it compares

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

Price $10.99
Typical for this category: the median of 10,440 items is $10.99.

Specifications

Product
Brand nameNi-MH
Model name300 mAh
In the box
Battery pack size1 Year

Questions about this item

How long will the 300mAh capacity last in a BT Freestyle 65 handset?

The 300mAh pack delivers 1.08Wh at 3.6V, matching the original specification for the Freestyle 65 so talk and standby times remain unchanged.

What connector standard does this Ni-MH pack use to fit the Quartet 1000?

It is built to the exact mechanical and electrical layout of the original battery for the Quartet 1000, so the existing connector mates directly without adapters.

Will the 30.0 x 32.0 x 10.5mm dimensions fit inside the Freestyle 60 battery compartment?

Yes, those measurements replicate the OEM pack for the Freestyle 60, allowing the door to close securely and the handset to sit in its charger.

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