Thunder Power TP820CD DC 1-8 Cell LiPo 20A Dual Port Charger w/Balancer [THP820CD] - HobbyTown
JEGS 45030: Low Voltage Monitor | 2S-8S LiPo Batteries | Monitors the Pack Voltage & Individual Cell Voltage | LCD Display | Low Voltage Alarm | Adjustable Alarm from 2.7V to 3.8V