This Charger is designed for charging a 24V lead acid battery with 2A current. The charger will work with 2 12V batteries run in series.
Smart Fast Charger (10 A) for 12V Lead Acid Battery 20Ah- 100Ah
Interstate 12 Volt 12 Ah Sealed Lead Acid Battery (SLA) - F2 Terminal. 0.250 Faston.
900 MHz Rubber Duck Antenna - Male Type F
This 4WD wheeled enclosed robot is equipped with 42mm motors, a motor controller, 10 inch tires, and FlySky remote control. The robot handles up to 20lbs of additional payload and travels 7 mph.