2-power Main Battery Pack - Batterie - 46 mAh (2P-KT.00205.008)

Your Garmin Forerunner 235 is a trusted companion for tracking runs, rides, and daily activity, but its built-in battery inevitably degrades over time. When the watch no longer holds a charge through a full workout or shuts down unexpectedly, this 2-Power replacement battery restores reliable, all-day power. Engineered as a direct drop-in replacement, it matches the original battery's dimensions, connector, and electrical characteristics, so you can revive your device without replacing the entire watch.

Who is it for

This battery is ideal for athletes, runners, and outdoor enthusiasts who rely on their Forerunner 235 for GPS tracking, heart rate monitoring, and smart notifications. It is also suitable for repair technicians and DIY hobbyists comfortable with opening a smartwatch and handling small electronic components. If your watch's runtime has dropped significantly or it fails to power on, this replacement cell offers a cost-effective alternative to buying a new device.

Main features

• Exact replacement for Garmin Forerunner 235 smartwatch battery
• Lithium polymer chemistry for high energy density and lightweight design
• Capacity: 46 mAh, voltage: 3.7 V, energy: 0.17 Wh
• Single pouch cell with 2-pin JST-style connector for secure connection
• Built-in protection against overcharge, over-discharge, and short circuit
• Rechargeable with approximately 300–500 cycles to 80% capacity
• CE and RoHS certified for safety and environmental compliance

Specifications

• Battery type: Lithium Polymer (Li-Po)
• Capacity: 46 mAh
• Voltage: 3.7 V
• Energy: 0.17 Wh
• Number of cells: 1
• Connector: 2-pin JST-style
• Form factor: Pouch cell
• Protection: Overcharge, over-discharge, short circuit
• Charging temperature: 0°C to 45°C
• Discharging temperature: -20°C to 60°C
• Cycle life: 300–500 cycles to 80% capacity
• Certifications: CE, RoHS

Tips

Before installation, ensure the watch is powered off and disconnected from any charger. Use a plastic opening tool to avoid damaging the case or display. Take a photo of the original battery placement and connector orientation for reference. After replacement, fully charge the new battery before first use to calibrate the battery gauge. If you are not confident in performing the repair, seek assistance from a professional technician to avoid voiding any remaining warranty or causing damage.