This is the replacement battery for the Luba 1 and Luba 2 3000/5000/10000.  This battery is 21.6v 9.6Ah.

Part Number: W.D.BT.000003000 (Old Part # D.015.SZ0008)

Compatible With: Mammotion Luba 1, Mammotion Luba 2, Mammotion Luba 2 AWD