MacBook Car Charger, WeCharger Super High Speed Ultra-compact Car Power Adapter 45w 60w 85w for MacBook Air/Pro/Retina Display with MagSafe 2 Connector Perfectly compatible with MacBook Air and MacBook Pro with Retina display using MagSafe 2 connector. Ultra-compact & built-in transformer, providing steady, high-speed and adequate power for your MacBook on-the-go. Advanced smart control chip, continuously monitoring the power flow and regulating device temperature to prevent overcharge and over-voltage. Light-weight, minimalist design and streamlined body with 5 feet cable length. High-quality glossy plastic housing, durable cable and aluminum connector.