不限 charging efficiency(充电问题|262/50.2%) heavy weight(重量大|12/2.3%) nonfunctional(无法使用|12/2.3%) location dependency(依赖阳光|8/1.5%) overheating(过热|5/1.0%) heat sensitivity(对高温敏感|5/1.0%) sun damage(太阳能板损坏|4/0.8%) safety concern(安全问题|3/0.6%) portability issue(便携性问题|3/0.6%) manual confusion(说明书混乱|3/0.6%) poor lighting(无指示灯|3/0.6%)

不限 incorrect advertising(图文介绍不足|20/6.2%) setup issue(安装/使用困难|19/5.9%) return product(用户退货|19/5.9%) over price(性价比低|17/5.2%) poor customer service(售后服务差|13/4.0%) compatibility issue(兼容/适配问题|13/4.0%) Size/Model Mismatch(尺寸/型号/颜色不匹配|11/3.4%) poor design(外观/设计不合理|8/2.5%) package or ship issue(包装/运输问题|4/1.2%) miss part(缺失部件|3/0.9%)