closeup a group of aluminum electrolytic capacitors on a pcb detail in blue tone

capacitor circuit electronic component electrolytic blue closeup pcb detail electrical aluminum board engineering power supply tone metallic shade condenser conductor capacity store energy electric field metal printed design copper layer device element passive inductor coil network converter inverter computer hardware mainboard motherboard inside electrotechnics electrotechnology industry technology tech repair science background texture group 16x9 condensator capacitance storage stored charge accumulate equipment electricity main spare electrotechnical technical service ewaste disposal recycling white nopeople macro