The Hidden Spec That Determines Whether Your Solar Lights Shine or Struggle: Battery Chemistry Explained
Most shoppers compare solar lights by lumens and panel wattage, but the battery inside may be the single greatest determinant of real-world performance. Understanding the differences between lithium-ion, nickel-metal hydride, and emerging solid-state technologies can mean the difference between a system that thrives for a decade and one that disappoints within a season.