This 5V 4A replacement charger is designed specifically for Lenovo IdeaPad models and other compatible devices that require a 5V DC input with a 4A output and a 3.5mm x 1.35mm barrel connector. Engineered for stable, quiet, and efficient charging, it's ideal for replacing a lost or damaged adapter or keeping as a reliable spare. Key Features: Input Voltage: 100-240V AC, 50/60Hz Output Voltage: 5V DC Output Current: 4A (20W) Connector Type: 3.5mm (outer) x 1.35mm (inner) Barrel Connector Consistent Power Delivery: Ensures safe and stable voltage to your device Durable & Reliable: Built with high-quality components for daily use Multiple Protection Features: Overload Protection Short Circuit Protection Overheating Protection Quiet Operation: No high-pitched noise or vibrations Compact Design: Lightweight and travel-friendly Energy Efficient: Reduces power waste while charging Compatible Lenovo Models: Lenovo IdeaPad Series (Selected Models): Lenovo IdeaPad 100S Lenovo IdeaPad 100S-11IBY Lenovo IdeaPad Miix 320 Lenovo IdeaPad Miix 310 Lenovo IdeaPad 120S (select variants) Lenovo Yoga Tablet (only models with 5V/4A input and 3.5 x 1.35mm port) Also compatible with other Lenovo devices and electronics using 5V 4A with a 3.5mm x 1.35mm connector. Note: Please check your original charger's voltage (5V), current (4A), and connector size (3.5mm x 1.35mm) before purchase. This charger is not suitable for USB-C charging devices or those with higher voltage requirements. Using a charger with the wrong specs can result in damage or poor performance