Original Acer 135W laptop charger/AC adapter, brand new and professionally tested for reliable performance. It delivers 19V and 7.1A output power, with a total output of 135W and a 5.5 x 2.5mm DC pin. Input voltage: AC 100-240V, suitable for use with compatible power systems. Features built-in overcurrent, overload, overvoltage and short-circuit protection for safer charging. Compatible with selected Acer Aspire 9812, 9813, 9815 and 9920 models. Please confirm your laptop model and charger pin size before ordering. Free power cord included now.