Battery for MacBook Pro Retina 13-inch 2015 A1502 A1582 MF839 MF840 11.34V 5000mAh, Compatible with A1493 A1554, 1-Year Warranty

**Product Overview**
This replacement battery is engineered specifically for the 2015 MacBook Pro Retina 13-inch models (A1502, A1582, MF839, MF840). With a rated voltage of 11.34V and a capacity of 5000mAh (56Wh), it delivers reliable power to keep your laptop running through work, study, or entertainment. Each battery undergoes strict quality control to ensure compatibility and safety.

** Voltage Warning**
Please verify your original battery voltage before purchasing. This battery is designed for 11.34V systems only. Using an incorrect voltage may cause charging failure or damage to your device. If your original battery shows a different voltage (e. g., 7.6V or 14.4V ), this product will not work.

**Compatibility List**
- MacBook Pro Retina 13-inch Early 2015 (Model A1502)
- MacBook Pro Retina 13-inch Early 2015 (Model A1582)
- Compatible Part Numbers: A1493, A1554
- Specific Configurations: MF839LL/A, MF840LL/A, MF841LL/A

**Specifications**
| Parameter | Value |
|-----------|-------|
| Voltage | 11.34V |
| Capacity | 5000mAh / 56Wh |
| Cell Type | Lithium-ion Polymer |
| Cycle Life | 500 cycles |
| Operating Temperature | 0°C 45°C (charging) / -20°C 60°C (discharging) |
| Certification | CE, RoHS, FCC |

**Comparison Table**
| Feature | Our Battery | Original Apple Battery | Generic Low-Cost Battery |
|---------|-------------|------------------------|--------------------------|
| Capacity | 5000mAh (56Wh) | 5000mAh (56Wh) | Often 4400-4800mAh |
| Voltage Accuracy | ± 0.1V | ± 0.1V | ± 0.3V or higher |
| Safety Protections | Overcharge, over-discharge, short circuit, temp control | Overcharge, over-discharge, short circuit | Basic or none |
| Warranty | 12 months | N/A (used/original) | 3-6 months |
| Price | Competitive | High (used) | Low but risky |

**Installation Tips**
1. Power off your MacBook and disconnect the charger.
2. Remove the bottom case screws (P5 pentalobe) carefully.
3. Disconnect the original battery connector from the logic board.
4. Gently peel off the old battery (use a plastic spudger; avoid puncturing cells).
5. Clean any residual adhesive with isopropyl alcohol.
6. Align the new battery and press firmly to secure the pre-installed adhesive strips.
7. Reconnect the battery connector, replace the bottom case, and tighten screws.
8. Charge the battery to 100% before first full use.

**Note: ** If you are not experienced with laptop repairs, we recommend professional installation. Improper handling may damage your device or battery.

**Package Includes**
- 1x Replacement Battery
- 1x Screwdriver Set (P5 & Phillips)
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**Warranty & Support**
We back this battery with a 12-month warranty against manufacturing defects. If you encounter any issues, contact us for a hassle-free replacement or refund within 30 days.