Godox WB400P lithium ion battery is a high capacity power solution designed specifically for the AD400Pro flash head. It delivers stable output and extended performance for professional photography sessions. With advanced lithium cell technology this battery supports fast recycle times and long shooting duration without frequent charging. The rugged and portable design makes it ideal for outdoor location work weddings and studio photography. Easy to install and reliable in demanding conditions the WB400P battery ensures your AD400Pro flash maintains consistent power and dependable lighting performance for creative and commercial shoots.