Key Features
- Original-Spec Capacity: Li-ion cell matched to Apple’s factory specifications for the 44mm SE 3 (2025) chassis.
- Built-In Safety Protection: Integrated protection circuit guards against overcharge, over-discharge, and short-circuit conditions.
- Precision Fit: Molded to fit flush within the 44mm SE 3 housing without added bulk or pressure on the display assembly.
- Solves Common Failures: Fixes rapid battery drain, sudden shutdowns, swelling, inaccurate percentage readings, and failure to charge.
Compatibility
- Apple Watch SE 3 (2025) – 44mm
- Part Number: S2323
(Note: Not compatible with 40mm SE 3 models, SE (2022) models, or other Apple Watch Series 6/7/8/9/10/Ultra.)
Technical Specifications
- Product Type: Lithium-Ion Replacement Battery
- Size Compatibility: 44mm
- Condition: Brand New / Original
Note for Technicians: Inspect for swelling or damage before installation. Use a plastic pry tool—never metal—when removing the old battery to avoid puncturing the cell. Disconnect the battery connector fully before servicing any other internal flex cables, and avoid bending or creasing the battery flex tab during reassembly.
One flag: I couldn’t independently confirm “S2323” as the standard Apple part/model number for this battery (specs I found reference model A3325 for the SE 3 44mm device) — worth double-checking against your supplier’s listing before publishing, in case S2323 is a supplier-specific SKU rather than Apple’s own part number.
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