The Ampsentrix Pro battery replaces the worn-out or nonfunctional battery in the Watch Series 1 42mm. It is a rechargeable lithium-ion battery with zero charge cycles and a built-in OEM TI Gas Gauge Chip.
- Type: Lithium-ion battery
- Compatibility: Watch Series 1 42mm
- Rechargeable: Yes
- Number of charge cycles: 0
- Includes: Pre-installed battery adhesive