A system includes a battery having a battery controller and a container including a plurality of receptacles, each receptacle being shaped to receive the battery. The system also includes a charging device including a plurality of charging bays, wherein each charging bay is shaped to receive a respective receptacle of the plurality of receptacles. Each charging bay includes a first antenna configured to provide charging power to the battery, a second antenna configured to communicate with the battery controller, and a charger controller. The charger controller is configured to detect a presence of the battery within a receptacle associated with a charging bay, establish communication with the battery using the second antenna while the first antenna is deactivated, pair the battery to the charging device, activate the first antenna after the battery is paired, and provide charging power to the battery using the first antenna.