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Small rectangular lithium battery pack, blue finish, 38 by 20.5 by 6 millimetres, 34 grams

Estry

Estry 3.7V 510mAh Battery for Savi 8210/W8210

SKU CH-XKMW-KV3SG

A 3.7V 510mAh lithium replacement battery for Savi 8210 and W8210 headsets

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity500mAh
  • Battery Voltage3.7
  • Replacement-ready for Savi 8210 and W8210 headsets
  • 510 mAh capacity extends talk time per charge
  • 7 V lithium chemistry matches original specifications
  • 0 × 20.5 × 6.0 mm form factor fits battery bay
  • Certified to ISO 9001, RoHS, CE, UN38.3 and MSDS standards

Replacement Battery for Savi 8210 and W8210

This 3.7V lithium cell is built to match the original specifications for the Savi 8210 and W8210 headsets. It replaces part numbers 211425-01 and 202555-01 directly. The pack contains one battery with a rated capacity of 510mAh and an energy rating of 1.89Wh. It is certified under ISO9001, RoHS, CE, UN38.3 and MSDS.

Suitable for Users Needing a Direct Replacement

It suits owners of the compatible Savi models who need to restore original runtime. Built-in protection guards against overcharge, over-discharge, over-voltage and short circuits. Buyers who need a higher capacity cell or a different form factor should look at other options. Confirm the model and part number before ordering.

Capacity and Runtime Headroom

The 510mAh capacity delivers the same talk and standby time as the factory pack. It comfortably handles daily office use with regular charging cycles. Runtime will decrease if the headset is used continuously at maximum volume or in extreme temperatures. The physical dimensions are 38.0 x 20.5 x 6.0mm and the weight is 34.0g.

Highlights

  • Replacement-ready for Savi 8210 and W8210 headsets
  • 510 mAh capacity extends talk time per charge
  • 7 V lithium chemistry matches original specifications
  • 0 × 20.5 × 6.0 mm form factor fits battery bay
  • Certified to ISO 9001, RoHS, CE, UN38.3 and MSDS standards

Specifications

TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity500mAh
Battery Voltage3.7

Questions about this item

Do I need to own a Savi 8210 or W8210 headset for this battery to fit?

Yes, it is a direct replacement for the original 3.7V 510mAh pack used in the Savi 8210 and Savi W8210 models.

Will the 3.7V 510mAh capacity match the runtime of the original 211425-01 cell?

The replacement is built to the same 3.7V 510mAh 1.89Wh specification as the 211425-01 and 202555-01 part numbers.

How can I confirm the battery is working correctly after I install it?

The headset should power on, hold a charge through a full talk-time cycle, and show no overheating thanks to the built-in overcharge and short-circuit protection.

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