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Rechargeable Batteries - Battery Life Calculator

Properties of rechargeable batteries and accumulators

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Properties of rechargeable batteries are compared below:

For full table with Energy Density, Charge and Discharge Efficiency, Power Densities and Life Cycles - rotate the screen!

Type of BatteryElectrolyteOperating Temperature
(oC)
Open Cell Voltage
(V)
Energy Density
(Wh/kg)
Charge / Discharge Efficiency
(%)
Power DensitiesLife Cycles
TheoreticalAchievablePeak
(W/kg)
Sustained
(W/kg)
Lead-Acid H2SO4 -20 - 60 2.1-2.2 171 30-40 70-90 120 25 200-2000
Nickel-Iron KOH 20 - 30 1.2 267 60 65     2000
Zinc-Iron KOH 50 - 60 1.65 1084 90 45     600
Sodium-Sulfur β-Al2O3 300 - 400 1.76-2.08 664 120 70 240 120 2000
Lithium-Iron Sulfide LiCl-KCl 400 - 450 1.6 869 150 75     1000
Nickel-Cadmium KOH -40 - 60 1.2   40 - 60 70-90 300 140 500 - 2000
Nickel-Metal Hydride KOH 10 - 50 1.2   60 - 80 50 440 220 < 3000
Nickel-Zinc         60        
Lithium Ion LiPF6 -20 - 60 3.6   100 - 200 70 720 360 500 - 2000
Lithium-sulphide AIN 430 - 500     130 75 200 140 200
Zinc-chlorine ZnCl2     120   65 100    
Lithium ion polymer Li-β-Alu -20 - 60 3.7   130-200 70     >1200

Battery Life Calculator

Battery Capacity (Ah, mAh)

Device Consumption (A, mA)

Usable Energy (%)


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Unit Converters

Temperature

oC
oF


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Length

m
km
in
ft
yards
miles
naut miles


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Area

m2
km2
in2
ft2
miles2
acres


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Volume

m3
liters
in3
ft3
us gal


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Weight

kgf
N
lbf


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Velocity

m/s
km/h
ft/min
ft/s
mph
knots


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Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O


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Flow

m3/s
m3/h
US gpm
cfm


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