Happymodel charger for charging 6x 1S batteries at the same time. For each port, the terminal voltage can be set to 4.2V or 4.35V (for HV batteries). A current of 0.2 or 0.6A can also be set. The charger is powered from an external battery or source via an XT60 or coaxial DC connector. The input voltage is 7-22V. The charger also has a USB connector with 5V output. In addition to batteries, you can also charge, for example, an action camera or a transmitter.
Do not plug two batteries into the same port at the same time.