Unlike batteries, supercapacitors can absorb and release energy almost instantaneously, making them perfect for stop-start micro-hybrid systems. Price Range: $25 – $60 per module, with higher costs for ruggedized, automotive-grade units meeting AEC-Q200 standardsHowever, their cost varies significantly based on key technical specifications such as capacitance, voltage rating, energy density, and physical size. Understanding how these factors influence pricing can help engineers, designers, and procurement specialists make informed decisions when selecting. ULTIMO Prismatic Cell is an electricity storage device with both high energy density and high power density features that can be charged and discharged at a large current. A Master Controller is used to balance between modules. Enables fast. Boost your electronics with top-notch Supercapacitors like Maxwell 16V 500F and Eaton XLR-16R2507-R. Shop now on eBay for uninterrupted performance! 28 results found. Electric double layer capacitors and supercapacitors are a class of electrolytic (polarized) capacitors that offer exceptionally high capacitance values in relation to their physical size and low voltage ratings; individual devices have ratings of a few volts at most, though products incorporating.