Get power whenever and wherever you need it. Keep one in the office, one at home and another in your carrying case for convenient access to power. Just plug it into an available outlet to deliver AC power to the compatible Lenovo NBs listed below and to recharge the system battery. Lenovo AC adapters are compact, energy efficient and backed by a 1-year warranty. B50-10 Ideapad 100-14IBY (Nano 14) Ideapad 100-15IBY (Nano 15)stable, adequate and reliable power supplying