Amazon.com: Kastar BRAAVA320 Battery (2 Pack), Ni-MH 7.2V 2500mAh, Replacement for iRobot Braava 320, iRobot Braava 321, Mint 4200, Mint 4205, Floor Cleaner Robot 4408927 : Tools & Home Improvement
6/V250H With Tabs 55625306060 7.2V 250MAH Varta Battery
Original 2*3/V150H For VARTA 7.2V 140mAh NI MH Rechargeable Battery Pack With Pins|battery pack|battery battery batterybatteries batteries - AliExpress