Microprocessor controlled for fast and accurate charging, NOMAD POWER’s MOBILE CHARGE batter chargers has a wide AC input voltage range which enables a full three-stage charge regardless of whether the source has a less-than-perfect quality AC power. Coming in both 12-volt and 24-volt microprocessor controlled models, they guarantee a complete 3 stage charge to your battery bank for optimum power density and longevity of your cells.