Wind power output suffers from voltage and power fluctuations caused by variable wind speeds, which can be effectively optimized by 2V100Ah lead-acid batteries. Featuring high voltage accuracy and low internal resistance, the batteries absorb excess wind power quickly and supplement energy when wind speed is insufficient, stabilizing wind power output. They have a wide temperature adaptation range, suitable for extreme environments of mountain and coastal wind farms. The maintenance-free sealed design fits unattended wind farm operation. With stable durability and low failure rate, they provide reliable power buffering and energy storage support for small wind power and distributed wind energy supporting systems.