With the Selectiva 4.0 charger family, Fronius offers one of the most efficient and advanced solutions on the market for charging lead-acid batteries.Benefit from our innovative battery charging solutions which not only reduces costs, energy usage and CO2 savings, but also offers our customers sustainablebenefits.Whether you are interested in lithium-ion technology or Charge & Connect,the Selectiva 4.0 is ready for your future challenges too.