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Zolt Laptop Charger Plus Review
11/05/15, via Laptop MagIn comparison, a 45-watt MagSafe 2 power adapter for a MacBook Air weighs 0.44 pounds, and a 65-watt charger for the Lenovo ThinkPad Yoga 14 weighs 0.64 pounds. Power bricks for laptops with larger screens or discrete graphics cards weigh even more