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Small rectangular Ni-MH battery pack green shrink wrap label visible 42 by 29 by 14 mm

Estry

Estry CS5212 standard battery 3.6V 600mAh Ni-MH

SKU CH-HNK6-NS968 MPN CS5212

Replacement Ni-MH battery delivers 3.6 V, 600 mAh for compatible cordless phones

  • Specifications3.6
  • Battery Pack1 Year
  • Replaces original battery in multiple cordless phone models
  • Delivers 3.6 V and 600 mAh for reliable talk time
  • Built-in protection against overcharge, over-discharge and short circuit
  • Certified to ISO 9001, RoHS, CE and UN 38.3 standards
  • Compact 42.45 x 29.77 x 14.37 mm pack weighs 87.7 g

Replacement Battery for VTech Cordless Phones

The Estry CS5212 is a nickel-metal hydride pack rated at 3.6 volts and 600 milliampere-hours. It matches the original specifications for compatible VTech handsets. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits.

Direct Replacement for Original Packs

This battery replaces the original cells in models such as CS5212, CS5221, CS5121 and CS2111. The upgrade is worth it when the existing pack no longer holds a charge or shows reduced talk time. It restores the handset to its factory runtime without modification.

Limited to Ni-MH Handset Platforms

The pack only works with devices designed for 3.6-volt nickel-metal hydride chemistry. It cannot be used in phones that require lithium-ion or different voltage packs. Buyers must verify the exact model number before purchase to ensure compatibility.

Highlights

  • Replaces original battery in multiple cordless phone models
  • Delivers 3.6 V and 600 mAh for reliable talk time
  • Built-in protection against overcharge, over-discharge and short circuit
  • Certified to ISO 9001, RoHS, CE and UN 38.3 standards
  • Compact 42.45 x 29.77 x 14.37 mm pack weighs 87.7 g

Specifications

BrandNi-MH
Model600mAh
Specifications3.6
Battery Pack1 Year

Questions about this item

Will the 42.45 x 29.77 x 14.37 mm dimensions fit my CS5212 handset battery compartment?

Yes, the pack measures 42.45 x 29.77 x 14.37 mm and weighs 87.7 g, matching the original CS5212 form factor.

How do I install the pack, and what step do people often miss?

Open the battery cover, disconnect the old connector, attach the new plug firmly until it clicks, then close the cover; the missed step is not seating the connector fully.

When will this 600 mAh Ni-MH pack need replacement?

Typical cordless phone use gives one to two years; replace when talk time drops noticeably or the handset loses charge quickly.

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