Amazon.com: Smart BMS LifePo4 Battery Management System for DIY Batteries, Programmable for iOS app, Android app, or Desktop app (Includes Bluetooth Module) : Electronics
Go Power! 12V 250Ah LifePO4 Lithium Battery (GP-LIFEPO4-250)
SANFOU 12.8V 100Ah LiFePO4 Battery, Built In 100A BMS
Amazon.com: BMS LifePo4 Battery Management System for DIY Batteries, Programmable (4s120aBMS+Bluetooth) : Electronics