Up for sale is a rechargeable EMPIRE battery for iRobot Roomba. This battery is compatible with models 120, 130, 150 and Looj 13501. The battery is made in China and has a capacity of 3300mAh. The package includes one battery with a VNH-113 VAC-L00J-33 model number. This battery is suitable for robotic vacuum cleaners and comes with a warranty. Please note that this product contains Nickel Oxide and Nickel Hydroxide which may cause cancer as listed under California Proposition 65.