Apple 45W MagSafe 2 Power Adapter (Model MD592B/B)

Model / Compatibility

• Model: MD592B/B (also found as MD592LL/A, MD592HN/A etc) — part of Apple’s MagSafe 2 45 W adapter line.

• Designed for MacBook Air models (11″ and 13″) that use the MagSafe 2 connector (approximately mid-2012 through 2017).

Power & Electrical

• Rated output: 45 W.

• Example output voltage/current: approx 14.85 V / 3.05 A in some listings.

• Connector: MagSafe 2 (thin, “T”-style magnetic DC plug). The magnetic attachment helps disconnect safely if the cord is pulled.

Features & Physical Design

• LED indicator on the DC plug: Amber when charging, Green when full.

• DC cable wrap-around design for travel/storage convenience.

• The magnetic connector helps reduce strain on the cable, minimizes wear and helps protect the laptop from being pulled off a surface.

Physical / Dimensions

• Cable length (DC): approx 1.78 m (~5.83 ft).

• Adapter body small size: example spec shows ~6.3 cm × 6.3 cm × 2.9 cm (2.5″ × 2.5″ × 1.1″).

• Weight: around 180 g for adapter body in one spec listing.

Usage & Compatibility Notes

• Compatible only with MacBook Air models with MagSafe 2 port; not compatible with older original MagSafe (pre-2012) or later USB-C/MagSafe 3 models unless you use an adapter.

• When used, it can charge the laptop whether it is on, off, or in sleep mode. Also powers the system when battery is removed (in some usage).