ASUNCELL A1398 MacBook Pro 15" Retina Battery

ASUNCELL A1398 is a direct replacement battery pack (11.36V / 99.5Wh) designed to restore power and run-time to 15" Retina MacBook Pro models from Late 2013 through Mid 2015.

If your MacBook Pro 15" Retina (A1398) shows shortened run-time, unexpected shutdowns, or battery health warnings, this ASUNCELL replacement battery is built to match the original physical fit and electrical specs for EMC 2745/2881/2909/2910 models. It uses Grade A cells, built-in protection circuits, and compatibility checks so you get a safe, direct swap without modifying your laptop. Before ordering, confirm your MacBook model number printed on the case or by checking About This Mac -> System Report.

How do I know this battery fits my MacBook Pro?

Check the model number on the underside of your laptop or use About This Mac > System Report to verify the A1398 model and EMC number. This ASUNCELL battery is intended for A1398 units from Late 2013, Mid 2014, and Mid 2015; it does not fit earlier 2012–2013 revisions.

• Compatible model IDs: A1398 (MacBook Pro 15" Retina, Late 2013–Mid 2015)
• EMC references included: 2745, 2881, 2909, 2910
• Check serial or model on the laptop back case or in System Report
• Not compatible with A1398 units from Mid 2012 or Early 2013

What are the technical specifications and safety features?

This replacement provides 8755mAh (99.5Wh) capacity at 11.36V and is rated for approximately 500 recharge cycles under normal conditions. Cells are Grade A and the battery assembly includes protection against short circuit, overheat, and overload to mirror the safety characteristics of OEM packs.

• Capacity: 8755mAh / 99.5Wh; Voltage: 11.36V
• Recharge cycles: ~500 (typical) and Grade A lithium cells
• Built-in protection circuits: overheat, short-circuit, overload
• Certifications: UL, CE, FCC, RoHS compliant

How easy is installation and what should I prepare?

Installation requires basic tools and careful handling of internal connectors; the battery is a direct physical replacement so no soldering or modification is needed. If you are not experienced opening MacBooks, consider professional installation to avoid damage to the logic board or case.

• Tools needed: appropriate screwdrivers and a spudger
• Disconnect power and ground yourself to avoid ESD damage
• Follow step-by-step guides or seek technician help if unsure
• Recalibrate battery indicator after installation for accurate reporting

What performance can I expect and how should I maintain it?

After installation you should see restored run-time comparable to original specifications for the same usage patterns. Maintain battery life by avoiding prolonged full discharges, keeping the MacBook in moderate temperatures, and updating macOS for power-management improvements.

• Restore run-time similar to original 99.5Wh capacity under comparable loads
• Avoid extreme temperatures and prolonged 0% state-of-charge
• Keep macOS updated for best power-management compatibility
• Periodic calibration helps the system estimate remaining charge accurately

Who is this for: This ASUNCELL A1398 replacement battery suits owners of 15" Retina MacBook Pro models from Late 2013 to Mid 2015 who need a like-for-like power module with OEM-style fitment and safety features. It’s ideal for users seeking a full-capacity swap without upgrading the laptop, technicians performing repairs, or anyone replacing a degraded original battery — confirm your model and EMC before purchase to ensure proper compatibility.