230W Acer Laptop Charger Power Supply Adapter for Acer Predator Helios 300 500 PH315-53 PH315-54 PH315-55 PH315-53-781R PH315-53-7426 Neo 16, Triton 300 500 PT315 PT515, Nitro 5 16 17【5.5 * 1.7mm】