1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your BLESYS A1819 replacement battery. Please read this guide carefully before proceeding with the installation to ensure safe and optimal performance.
2. Product Overview
The BLESYS A1819 battery is a high-performance lithium polymer replacement designed for specific MacBook Pro models. It features:
- High Capacity: 11.4V, 4314 mAh / 49.2 Wh, utilizing 6 Grade A cells for extended laptop use.
- Enhanced Safety: Built-in circuit protection mechanisms ensure safe charging, discharge, and temperature control, preventing overcharge, over-discharge, over-current, and short-circuiting.
- Reliable Performance: Engineered for fast charging and low power consumption, providing stable and consistent power delivery.
Image: The BLESYS A1819 replacement battery, showing its compact design and connector.
3. Compatibility
This BLESYS A1819 battery is specifically designed for the following Apple MacBook Pro models:
- MacBook Pro 13-inch A1706 (Late 2016) with Touch Bar, EMC 3071
- MacBook Pro 13-inch A1706 (Mid 2017) with Touch Bar, EMC 3163
Before installation, verify your MacBook Pro's model number and year to ensure compatibility. This information can typically be found on the back of your laptop or by accessing "About This Mac" from the Apple menu.
Image: A visual guide demonstrating how to check your MacBook Pro's model number on the back cover and through the "About This Mac" system information.
Image: A detailed compatibility table showing the BLESYS A1819 battery part number, compatible laptop models (A1706), corresponding P/N (e.g., MLH12xx/A), Mac IDs (MacBookPro13,2, MacBookPro14,2), and EMC numbers (3071, 3163) for 2016 and 2017 models.
4. Package Contents
Your BLESYS A1819 replacement battery package includes:
- 1 x BLESYS A1819 Replacement Battery
- Necessary removal and installation tools (screwdrivers, suction cup, spudger)
Image: The BLESYS A1819 battery alongside the included dismantling tools, such as screwdrivers, a suction cup, and a plastic spudger, designed to assist with the installation process.
5. Safety Information
Observe the following safety precautions to prevent damage to the battery or your device, and to avoid personal injury:
- Do not disassemble, crush, puncture, or short-circuit the battery.
- Do not expose the battery to fire, high temperatures, or water.
- Use only the designated charger for this battery.
- Keep the battery away from children.
- If the battery appears damaged, swollen, or leaks, discontinue use immediately.
- Dispose of used batteries according to local regulations.
Image: The BLESYS A1819 battery displaying CE, RoHS, FCC, and PSE certifications, indicating compliance with international safety and environmental standards.
6. Setup (Installation)
Replacing a MacBook Pro battery requires technical skill and careful handling. While necessary tools are provided, detailed step-by-step instructions are not included in this manual. It is highly recommended to consult reliable online resources, such as video tutorials from reputable repair guides (e.g., iFixit), before attempting installation.
- Preparation: Power off your MacBook Pro completely and disconnect it from any power source.
- Disassembly: Carefully open the back cover of your MacBook Pro using the provided tools. Disconnect the old battery.
- Old Battery Removal: The original battery is typically secured with adhesive. Exercise extreme caution when removing it to avoid puncturing the battery cells.
- New Battery Installation: The BLESYS A1819 battery comes with pre-applied adhesive. Turn the battery over and carefully peel off the inner liner to expose the adhesive before securing the battery in place.
- Connection: Connect the new battery to the logic board.
- Reassembly: Carefully reattach the back cover and secure all screws.
Note: Incorrect installation can damage your device. If you are unsure, seek professional assistance.
Image: The BLESYS A1819 battery showing its adhesive backing, which needs to be exposed by peeling off a protective liner before installation into the laptop chassis.
7. Operating Instructions
7.1 First Use and Calibration
After installing the new battery, it is recommended to perform a calibration cycle for optimal performance and accurate battery reporting:
- Fully charge the battery to 100%.
- Keep the laptop plugged in for at least two more hours after it reaches 100%.
- Unplug the power adapter and use the laptop until the battery is completely drained and the laptop shuts down automatically.
- Let the laptop rest for at least 5-6 hours.
- Plug in the power adapter and charge the battery to 100% without interruption.
This calibration process helps the battery management system accurately estimate the battery's capacity and remaining charge.
7.2 Normal Charging and Usage
- Use your original Apple power adapter or a certified compatible charger.
- Avoid frequently draining the battery to 0% or keeping it at 100% for extended periods. Optimal battery health is maintained by keeping the charge between 20% and 80%.
- If storing the laptop for a long time, charge the battery to about 50% before storage.
8. Maintenance
- Temperature: Avoid exposing your laptop to extreme temperatures (very hot or very cold), as this can degrade battery performance and lifespan.
- Cleaning: Keep the laptop's vents clear of dust to ensure proper cooling, which indirectly benefits battery health.
- Software Updates: Keep your macOS updated, as Apple often releases power management improvements.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not recognized or charging | Incorrect installation, loose connection, software issue. |
|
| Poor battery life | Incomplete calibration, high power consumption by applications, degraded battery. |
|
| Battery swelling | Overheating, manufacturing defect, end of lifespan. |
|
10. Specifications
| Feature | Detail |
|---|---|
| Battery Model | A1819 |
| Compatible Laptop Model | MacBook Pro 13-inch A1706 (Late 2016 - Mid 2017) |
| Battery Type | Lithium Polymer (Li-Po) |
| Voltage | 11.4 V |
| Capacity | 4314 mAh / 49.2 Wh |
| Number of Cells | 6 (Grade A) |
| Product Dimensions (L x W x H) | 24 x 11 x 0.7 cm |
| Battery Weight | 207 Grams |
| Certifications | CE, RoHS, FCC, PSE |
Image: A diagram illustrating the physical dimensions of the BLESYS A1819 battery, showing its length (240mm), width (110mm), and height (7mm).
11. Warranty and Support
BLESYS offers the following for your product:
- Return Policy: 30-day unconditional return policy.
- Warranty: 12-month warranty from the date of purchase.
- Customer Support: For any questions, concerns, or assistance with installation, please contact BLESYS customer service via email. Your feedback and suggestions are valued.
Please retain your proof of purchase for warranty claims.
