Shenzhen Chunyilin Technology Co., Ltd.
Shenzhen Chunyilin Technology Co., Ltd.
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Battery A1245 for MacBook Air 13" A1237, A1304 (2008–2009 Models)
| Specification | Standard Capacity (A+) | High Capacity (A+++) |
|---|---|---|
| Voltage | 7.4V | 7.4V |
| Capacity | 40Wh / 4000mAh | 37Wh / 5000mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Cycle Life | 1000+ cycles | 1200+ cycles |
| Cells | Grade A+ | Premium A+++ |
| Compatibility | MacBook Air 13" A1237, A1304 | MacBook Air 13" A1237, A1304 |
| OEM Part Number | A1245 | A1245 |
| Warranty | 12 Months | 12 Months |
Specifically designed for MacBook Air 13" models A1237 and A1304 (2008–2009)
Standard (A+) 40Wh version for general users and high-capacity (A+++) 5000mAh option for extended usage
Maintains stable voltage for consistent performance
Built-in safety protection circuits: overcharge, over-discharge, overheat, and short-circuit prevention
High-quality polymer cells for longer endurance and reliability
Direct replacement for OEM battery—no configuration or tools required
Manufactured with premium grade cells for extended battery life
High discharge efficiency and low power loss during idle
Environmentally safe and compliant with international certifications
Longer usage per charge cycle with A+++ version
Compatible with global MacBook Air models using A1245 battery
12-month limited warranty with customer-first service
Q1: Which models does this A1245 battery fit?
A1: It fits MacBook Air 13-inch models A1237 (Late 2008) and A1304 (Mid 2009). Confirm your Mac model by checking the serial number or original battery label.
Q2: What’s the difference between the 40Wh and 37Wh versions?
A2: The 40Wh A+ version is the standard OEM-equivalent option. The 37Wh high-capacity A+++ version features optimized cell technology with higher mAh (5000mAh) for longer battery life.
Q3: Is this battery difficult to install?
A3: Installation is straightforward and requires minimal tools. If you're unsure, professional installation is recommended.
Q4: How long will this battery last?
A4: With regular use, the A+ battery provides 1000+ cycles and the A+++ offers over 1200 charge cycles.
Q5: Do you offer a warranty or return policy?
A5: Yes, the battery comes with a 12-month warranty and support for replacements due to quality issues.