Super Extended 3800mAh Battery 2-Pack for Neato xv-11 xv-12 xv-15 xv-21 xv-25 Signature XV Pro VR100 945-0005 205-0001 945-0006 945-0024 Robotic Vacuum Cleaner 2 Rechargeable Extended Long Lasting Batteries 3800mAh 7.2V Ni-MH 27.36Whr Replacement for all current Neato Vacuums. caSino187 Neato xv-11 xv-12 xv-15 xv-21 xv-25 Signature XV Pro VR100 This is the longest lasting battery currently available