扁平化卡通风充电电力能源图标元素

Flat minimalist power technology icons on white background, orange lithium battery with green charge level, blue power bank with orange ports, green solar panel with blue sun rays, orange wireless charger with blue device, blue power adapter with orange plug, green energy harvesting circuit, orange USB-C cable with blue ends, blue power inverter with orange waveform, green fuel cell with blue hydrogen, nine icons evenly distributed in three rows and three columns, clean power shapes with energy orange, blue and green palette, efficient and sustainable.