Halo Microelectronics provides various power management products and are developed for 1S, 2S, and 3S batteries. Chargers for 1S batteries provide linear charging, I2C control low voltage and high-current switch charging, and I2C control high-voltage and high-current switch charging. Halo Microelectronics 2S and 3S battery switch chargers were developed for multi-section lithium batteries and are characterized by a wide selection and excellent performance.