iRobot Original Ni-MH Battery 2000mAh/14.4V for the Braava 380 and 390 Mopping Robots
NiMH-batterie - 2500mAh (7.2V) pour robot aspirateur Home Cleaner robots domestiques iRobot Braava 390T - Electropapa
Hannets High quality battery compatible with iRobot Braava 390 I battery battery pack robot vacuum cleaner replacement part I Braava 390T accessories 2500 mAh battery wiper robot replacement battery 7.24 V :
POWERY Akku für iRobot Braava 390T NiMH Akku, 7.2 Volt, 1500mAh | MediaMarkt
Akku wechseln beim iRobot Braava 390T - Ersatzakku von BAKTH - 2200mAh 7.2V - YouTube
21.6wh Rechargeable Ni-mh Battery For Irobot Braava 380t, 380, 390t, Mint 5200, 5200b, 5200c - Rechargeable Batteries - AliExpress