KAPower - Supercapacitors - Ultracapacitors do not suffer any of the drawbacks associated with lead-acid batteries.

Distinction From Lead-Acid Starting Batteries

KSM for Any Equipment
Available in English and Japanese

KrankingKART
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KSM for Boats
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KAPower Supercapacitor vs. Starting Batteries

KAPower vs. Lead-Acid Starting (SLI) Batteries


	KAPower Supercapacitor / Ultracapacitor	Lead-Acid Starting (SLI) Battery
Energy Storage	Physical	Chemical
Life	Long (15 - 20 Years)	Short (1 - 4 Years)
Charge Rate (Time)	Short (15 - 30 Seconds)	Long (14 - 16 hours)
Discharge Rate (Time)	Short (15 - 30 Seconds)	Long
Energy Density	Low	High
Power Capability	High (100 - 1000 Times Higher)	Low
Maintenance	None	High
Operating Voltage Window	4 - 16 Volts	10.5 - 12.7 Volts
Cycle Life	High (~1,000,000)	Low (Average ~400)
Charging Circuit	Simple	Complex (Different Rates For Different Battery Types)
Internal Resistance	Very Low	High (Increasing With Age)
Self-Discharge Rate	Very Low	High
(+) Plate Corrosion	Not Applicable	Yes
(-) Plate Corrosion	Not Applicable	Yes
Acid Stratification	Not Applicable	Yes
Resting Time	Not Applicable	Yes
Disposal Problems	Low (NO LEAD)	High (Contains LEAD)
KAPower is a electrochemical capacitor (a.k.a. supercapacitor or ultracapacitor)