This heavy-duty Herewin lithium battery is tailored for large agricultural plant protection drones, industrial inspection UAVs, heavy-lift cargo drones and multi-rotor industrial aircraft. With 39000mAh large capacity, 65.7V full-charged voltage and stable 8C discharge rate, the battery delivers consistent strong power for high-load flight and extends continuous operation time. Equipped with an industrial hard casing and comprehensive BMS safety protection system, it works reliably in complex outdoor farmland and field environments.