中文标题: HAWEEL 28W 4个太阳能板折叠包,四板 5V 2.9A Max 双口USB 

1. 充电器利用自然阳光给设备充电，这是一款不带电池的绿色充电器，携带不会太重。 
2. 采用进口Sunpower太阳能电池板，高效太阳能转换，稳定电压面板，无需担心损坏手机。 
3. 输出端口为USB，可用于为智能手机，平板电脑或任何其他5V设备充电。 
4. 坚固的PVC防雨套和防水太阳能电池板设计用于野外生存，并具有户外防潮和防雨功能。 
5. 紧凑的尺寸和轻便的折叠式设计使它非常适合野营，徒步旅行，野餐和其他户外活动。 
6. 注意：太阳能充电器不具备储电功能，可为阳光下的设备充电，充电时间和电流基于太阳亮度，与移动电源更好地配合使用。

参数
1. 功率：28W
2. 电压：5V, 9V 12V
3. 电流：3A, 2A, 1.5A
4. 协议：DCP、QC 2.0、QC 3.0、MTK PE1.1/PE2.0、FCP、SCP、SFCP快充协议

英文标题: HAWEEL 28W Foldable Solar Panel Charger with 5V 2.9A Max Dual USB Ports 

1. The charger utilizes natural sunlight to charge your device, It's a green charger without battery and not too heavy to carry.
2. Adopt imported Sunpower solar panel, highly efficient sun power transformation, stability voltage panel, no need to worry damaging your phone.
3. The output port is USB, it can be used to charge smartphones, tablets, or any other 5V devices.
4. The tough PVC rainproof case and water tight solar panel is designed to survive in the wild with outdoor moisture and rain protection.
5. Compact size and lightweight foldable design make it great for camping, hiking, picnics, and other outdoor activities.
6. Note: The solar charger without storage power function, it charges for devices under the sun shine, charging time and current based on the sun brightness, match with power bank to use better.

Specifications
1. Power: 28W
2. Voltage: 5V, 9V 12V
3. Current: 3A, 2A, 1.5A
4. Protocol: DCP, QC 2.0, QC 3.0, MTK PE1.1/PE2.0, FCP, SCP, SFCP fast charge protocol