Amazon.com: Powilling 14.4V 4000mAh Li-ion Replacement for Xiaomi MI G1, for Panasonic MC-WRC53, for Phicomm X3, for PUPPY0O R30/ R30 PRO, for FLYCO FC9601/FC9602 Essential MJSTG1 Robot Vacuum Cleaner : Industrial &
GTK 6S 14.4V 40Ah Lithium Titanate LTO 280ah Lifepo4 Battery Box With BMS And 5A Charger For Low Temperature Emergency Start Of Cars From Gtkpower, $361.81 | DHgate.Com
Melasta 14.4V 2900mAh Battery for iRobot Roomba e Lithium Ion and i Series i7 7150 i7+ 7550 e5 e6 i3 i3+ i4 i4+ - Aliexpress