Input: AC 100-240V, 50/60Hz. Output: DC 21V, 1A (1000mA). Max Wattage: 21W. Adapters connector DC polarity: inside positive (+) . outside negative (-). DC jack converter size: 5.5mm x 2.5mm, compatible with 5.5mm x 2.1mm DC port. Cable length: 85 cm, about 2.78ft. The replacement AC adapter has an indicator light that changes when current flows. It also includes over-voltage, short circuit and over-current protection to ensure safe charging. This 21V 1A AC to DC power adapter supports universal wide voltage input of 100-240V AC, DC 21V 1A power output and provides stable power input and fast charging for your home electronics, ensuring faster and more convenient charging. The power charger can be used on other electronic devices or machines with the same parameters and DC socket.
eBay