Ключевые слова: 3d, abstract, alkaline, background, battery, business, cable, charge, color, connect, creative, design, electrical, element, energy, fuel, full, gauge, generation, graphic, icon, illustration, indicator, level, lightning, load, low, minimal, mobile, modern, phone, power, presentation, progress, recharge, refill, render, screen, smartphone, status, supply, symbol, technology, threedimensional, thunder, usb, visual, voltage,