Odec 7.2V Neato Vacuum Battery for Neato XV-11 XV-12 XV-14 XV-15 XV-21, 2 Pack 4000mAh Ni-MH Battery Replacement rechargeable battery for Neato XV series 4000mAh high capacity, providing more power within one full charge Ni-MH eco-friendlybattery, no pollution to the environment CE and FCC certified, ensure the safety for the whole using process Over-charge and over-discharge protection