Apple Watch 42mm battery A1579

Battery for Apple Watch 42mm A1579 premium quality

Internal replacement battery for Apple Watch 42mm model A1579, designed to restore autonomy, energy stability and charging performance of the device. This spare part is intended for technical repairs of first generation Apple Watch 42mm models, allowing replacement of degraded, swollen or exhausted batteries that cause unexpected shutdowns, restarts or reduced battery life.

Compatible with multiple commercial and regional variants of the original Apple Watch 42mm, including Sport, Watch and Edition versions. Manufactured with high stability lithium cells and integrated protection circuit against overcharge, short circuit and overheating. Its design maintains electrical compatibility and precise fitting inside the original watch chassis, facilitating professional installation and reliable recovery of the device autonomy.

Specifications

• Type: internal lithium battery
• Main compatibility: Apple Watch 42mm first generation
• Compatible model: A1579
• Voltage: 3.8V
• Approximate capacity: 246mAh
• Integrated protection against overcharge and short circuit
• Compatible with original magnetic charging
• Direct replacement for deteriorated or exhausted battery
• Internal installation through technical disassembly

The battery provides stable energy delivery and efficient recovery of the smartwatch original autonomy. Designed to maintain balanced charging cycles and minimize premature capacity loss, offering reliable daily performance. Its precise integration facilitates clean and safe repairs in technical services specialized in Apple Watch devices.

Suitable for solving common problems such as fast discharge, swollen battery, unexpected shutdowns or performance loss after long periods of use. Available for immediate shipping from Spain.

Installation tips

Disconnect the device completely before starting the repair.

Apply controlled heat to remove the screen without damaging the flex cables.

Handle the battery with antistatic tools and avoid puncturing it.

Properly remove old adhesive residue.

Check operation and charging before final sealing.

Use new adhesive specifically designed for Apple Watch.

Technical table