Battery Comparison of Energy Density
The below battery comparison chart illustrates the volumetric and specific energy densities showing smaller sizes and lighter weight cells. Specifications by Battery Chemistry. Specifications Lead Acid NiCd NiMH Li-ion; Cobalt Manganese Phosphate; Specific Energy Density (Wh/kg) 30-50: 45-80: 60-120: 150-190: 100-135: 90-120: Internal Resistance (mΩ) <100 12V pack: 100 …