Ключевые слова: activities, advancement, adventure, backpack, backpacking, battery, camping, charger, charging, clean, convenient, device, devices, ecofriendly, efficient, electricity, electronic, energy, energyefficient, environmental, equipment, gadgets, gear, generation, green, hiking, innovation, integration, lifestyle, living, modern, offgrid, outdoor, outdoors, panel, portable, power, practical, renewable, solar, solarpowered, source, supply, sustainable, technology, travel,