This adapter can't charge my 2015 15" Razer more than 70%. It just doesn't have any juice. That's a far cry from the declared 180 watts. A normal one Razer AC adapter can charge the laptop to 100% easily.Generally, I can only use it to avoid losing charge and not to charge the laptop battery.Needs a full charge.The original $150 Razer charger worth it in my opinion if it can charge the battery.
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