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Small rectangular lithium battery pack with smooth dark finish and thin profile

Estry

Estry Replacement Battery for Forerunner 935 Fenix 5 Approach S60 361-00097-00 230mAh 3.7V

SKU CH-Q57P-YZPAC

Lithium replacement cell rated at 230mAh and 3.7V fits Forerunner 935, Fenix 5 and Approach S60 watches

  • TypeBatteries
  • Battery Pack1-pack
  • Battery TypeLithium
  • Battery Capacity230mAh
  • Battery Voltage3.7
  • Replaces original battery in Forerunner 935 Fenix 5 Approach S60
  • 230mAh 3.7V lithium cell matches factory capacity and voltage
  • Built-in protection against overcharge over-discharge over-voltage and short circuit
  • Certified to ISO9001 RoHS CE UN38.3 and MSDS standards
  • Compact 28.2 x 22.0 x 4.1mm form factor weighs 30.0g

Compatible replacement battery

This Estry lithium replacement battery matches the 230mAh 3.7V specification of the original 361-00097-00 cell. It fits Garmin Forerunner 935, Fenix 5 and Approach S60 watches. The pack contains one battery weighing 30.0g with dimensions of 28.2 x 22.0 x 4.1mm.

Practical limits of the lithium cell

The 230mAh capacity and 3.7V voltage set the energy budget at 0.85Wh, so runtime scales directly with the watch's power draw. Continuous GPS or optical-heart-rate use will deplete the cell faster than basic timekeeping. The chemistry is rated for standard charge cycles; deep discharge below the protection threshold can make the pack unrecoverable.

Installation notes and common issues

Replacement requires opening the sealed watch case, which demands small screwdrivers and careful prying to avoid damaging the display or water-resistance seals. The flexible ribbon connector must be aligned and seated fully; a partial connection causes boot loops or erratic percentage readings. Re-applying adhesive and verifying the gasket position are essential to retain the original water rating.

Highlights

  • Replaces original battery in Forerunner 935 Fenix 5 Approach S60
  • 230mAh 3.7V lithium cell matches factory capacity and voltage
  • Built-in protection against overcharge over-discharge over-voltage and short circuit
  • Certified to ISO9001 RoHS CE UN38.3 and MSDS standards
  • Compact 28.2 x 22.0 x 4.1mm form factor weighs 30.0g

Specifications

TypeBatteries
Battery Pack1-pack
Battery TypeLithium
Battery Capacity230mAh
Battery Voltage3.7

Questions about this item

Should I pick this 230mAh 3.7V pack or a different capacity for my Forerunner 935?

Match the original 361-00097-00 part number; this 230mAh 3.7V cell is built to those exact specifications.

What does the 0.85Wh rating mean for daily runtime on my Fenix 5?

It stores 0.85 watt-hours, which typically restores the watch to its factory single-charge endurance.

Does the connector follow a standard interface or is it proprietary to Garmin?

The battery uses the OEM connector for Forerunner 935, Fenix 5 and Approach S60, so it plugs straight in.

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