pengguo MacBook Pro 15" A1494/A1618 Replacement Battery

pengguo replacement battery for MacBook Pro 15-inch A1398 (A1494/A1618) is a higher-capacity Li-Polymer pack designed to restore runtime for Late 2013, Mid 2014 and Early 2015 models.

This battery is an aftermarket, A-grade unit made to fit MacBook Pro 15-inch Retina models that shipped with the A1398 chassis. It’s presented as an upgraded “6.2” series with a higher nominal capacity and multi-layer protection electronics. The package includes the battery, step-by-step installation instructions and the basic tools required for a safe swap.

How much extra runtime does this replacement battery provide?

Actual runtime depends on your workload, screen brightness and connected peripherals. The listing promotes a higher-capacity pack (advertised as an 8440mAh upgraded 6.2 version) intended to deliver longer run times than many worn original cells.

• Advertised capacity: 8440mAh (upgraded 6.2 series).
• Manufacturer A-grade batches report up to 8800mAh/99.08Wh in recent production runs.
• Designed for everyday tasks: web browsing, office work, and media playback.
• Performance varies with system load and macOS power management.

Is this battery safe and compatible with my MacBook Pro?

The pack is built with Li-Polymer cells and an upgraded protection chip to guard against overcharge, overheating and short circuits. It lists compatibility specifically with MacBook Pro 15-inch models using battery models A1494 or A1618 from Late 2013, Mid 2014 and Early 2015.

• Compatibility: A1398 chassis — battery model A1494 / A1618.
• Protection: temperature control, overcharge and short-circuit safeguards.
• A-grade production and inspected shipments reduce failure risk.
• Includes installation guide and required tools for safe replacement.

What quality assurances and warranty come with the battery?

The seller emphasizes A-grade cells from current production runs and provides a 12-month after-sales service period. National certifications and export history are cited to indicate compliance and broader shipping experience.

• Grade: A-grade batteries, latest production batches and inspection.
• Warranty: 12 months of after-sales support.
• Documentation: installation instructions included in the package.
• Support: professional engineer team available for guidance.

How difficult is installation and what comes in the package?

Installation requires basic laptop repair familiarity and the supplied tools simplify the task; if you’re unsure, professional installation is recommended. The kit is intended to provide everything needed for a single battery replacement.

• Package contents: 1 replacement battery, installation instructions, essential installation tools.
• Tools included: screwdriver and opening tools appropriate for the MacBook Pro 15-inch bottom case.
• Skill level: moderate — best for users comfortable with small electronics disassembly.
• Support channel: contact seller via brand page messaging for help.

Who is this for? This replacement battery is aimed at MacBook Pro 15-inch owners (A1398 chassis) whose original battery no longer holds acceptable charge and who want a higher-capacity aftermarket option with added protection circuitry. It suits DIY-savvy users who can perform or arrange a safe swap, and anyone seeking a cost-effective way to extend the usable life of Late 2013, Mid 2014 or Early 2015 MacBook Pro models. If you prefer plug-and-play service, consider professional installation or an authorized Apple repair provider.