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Battery vs Super Capacitor | Difference between Battery and Super Capacitor

This page compares Battery vs Super Capacitor and mentions difference between Battery and Super Capacitor. We will take Lithium-Ion battery in order to derive comparison between battery and super capacitor.

Specifications Battery (Lithium Ion Type) Super Capacitor
Charge time 10 to 60 minutes 1 to 10 seconds
Cycle life 500 and higher 1 million or 30000h
Cell voltage 1.2 to 4.2 V 2.3 to 2.75 V
Specific Energy in Wh/Kg 100 to 200 5 (typical)
Specific Power (W/Kg) 1000 to 3000 Upto 10000
Service life (mounted on vehicle) 5 to 10 years 10 to 15 years
Charge temperature 0 to 45oC -40 to 65oC
Discharge temperature -40 to 65oC -20 to 60oC
Form factor large Small
Weight 1 g to >10 Kg 1 to 2 g
Pros (i.e. Advantages or benefits) • Power density
• Storage capability
• Better leakage current than capacitors
• Constant voltage than can be turned OFF and ON
• Long cycle life
• High load currents
• short charging times
• excellent temperature performance
Cons (i.e. disadvantages or drawbacks) • Limited cycle life
• Voltage and current limitations
• long charging times
• more temperature sensitive than capacitors
• Low specific energy
• Linear discharge voltage
• High self discharge
• High cost per watt
Symbols used to represent in the circuit Battery symbols capacitor symbols

Battery and Capacitor related links

Battery basics  Primary Battery vs Secondary Battery  Dry Cell vs Wet Cell  Bio Battery tutorial  Paper battery tutorial  Bio battery vs Conventional Battery  Paper Battery vs Conventional Battery  Pros and Cons of Lithium Ion Battery  Pros and Cons of Lead Acid Battery  Capacitor basics  Variable capacitor  Electrolytic capacitor 

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