2.7V 30F Automotive Grade Ultra Supercapacitor 16x30mm
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Prices updated: 13 Oct 2026
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About this product
A 2.7 V, 30 F automotive-grade supercapacitor in a 16 x 30 mm package with 7.7 mm lead pitch. It is used for short-term backup power, buffering current peaks and energy storage in electronic circuits where high capacitance at low voltage is needed.
Specifications
- Capacitance
- 30 F
- Rated voltage
- 2.7 V
- Surge voltage
- 2.85 V
- Operating temperature
- -40 ℃ to +70 ℃
- Capacitance tolerance
- ±20%
- Size (D x L)
- 16 x 30 mm
- Lead pitch
- 7.7 mm
- AC impedance (1 kHz)
- 20 mΩ
Frequently asked questions
How do I get a higher working voltage?
Connect cells in series, but each cell is rated at 2.7 V. For series strings use voltage balancing so no single cell exceeds its rated voltage, which would shorten its life or damage it.
Can it replace a battery?
Supercapacitors store much less energy per volume than batteries, and their voltage drops as they discharge. They suit short backup periods and peak current support rather than long-term power. Observe polarity and never exceed the rated voltage.
