3.8V 40Ah High Energy Density Drone Battery Cell AS-B588J9
3.8V 40Ah ultra-high energy density drone battery cell (AS-B588J9) delivering 354Wh/kg at just 429g. Features 3C continuous discharge (120A), ≤2mΩ internal resistance, and 500-cycle life. Ideal for long-range survey, VTOL, industrial inspection, and delivery drone battery packs. Also suitable for e-bike battery swap and electric garden tools. OEM/ODM custom pack assembly available.