12V 4000mAh Ni-Mh Battery Pack for Neato Botvac Series and Botvac D Series Neato Battery Neato Botvac Battery 70e, 75, 80. : Amazon.co.uk: Home & Kitchen
Original Neato Li-ion Ultra High Capacity Battery for D8, D9 and D10 'Intelligent Robot Vacuum' (6200mAh/14.4V)