Replacement Battery Model: L17C6P72/L17L6P71/A0031-00021; Full Charge Capacity: 49 Wh 4220 mAh; Voltage: 11.4 V; Compatible with Lenovo ThinkPad X280 Series; ThinkPad A285 Series Notebook
Advanced Quality: All-new 5.0 technology upgrade; High-capacity battery cells for longer-lasting and safer performance
Superior Safety: BattArmor safety system with overcharge, circuit-overload, short-circuit, temperature protection and more
Quality Certification: The battery is quality-certified and tested to provide the reliable power for your laptop
What You Get: Battery; Installation tools and guide; Service Manual; 24-hour friendly customer service