Comparisons
Product Comparisons
Typical, indicative values. Specific parts vary — check datasheets.
Parameter
EDLC supercapacitor
Lithium-ion capacitor
Li-ion battery
Energy density
Low
Medium
High
Power density
Very high
High
Low–medium
Cycle life
Very high (100k–1M)
High (~100k+)
Low (~500–5,000)
Charge time
Seconds
Seconds–minutes
Minutes–hours
Cell voltage
2.5–3.0 V
~2.2–3.8 V
~3.2–3.7 V
Low-temperature behaviour
Good
Moderate
Poor
Read the full supercapacitor vs battery guide · EDLC vs LIC article
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