How Do Prices and Warranties Differ? Weize batteries cost 15-20% less upfront (e.g., $549 vs. LiTime’s $699 for 100Ah). However, LiTime’s 7-year warranty covers twice as long as Weize’s 3-year policy. Over a 10-year lifespan,… Which Lithium Battery is Better: LiTime or Weize?