C42N1728 Laptop Battery for Pro 15 U5500 UX550GE UX550GEX UX550GD UX550GDX UX580G UX580GD UX580GDX UX580GE UX580GEX UX550GDX-1C UX550GE-BN025T 0B200-02520100 0B200-02520200 15.4V 71Wh