APC背面UPS BK650M2-CH

220V，390 W，650 VA。供应给中国市场的产品。https://www.apc.com/cn/zh/product/BK650M2-CH/apc%E5%85%AC%E5%8F%B8%E7%9A%84back-ups-650va230v2%E4%B8%AUSB%E5%85%85%E7%94%B5%E5%99%A8%E9%80%E7%94%A8%E4%BA%8E%E4%B9%AD%E5%9B%BD/