Originally Posted by gregory.da
A123 Battery Technology
A123’s high-performance Nanophosphate® lithium iron phosphate (LiFePO4) battery technology delivers high power and energy density combined with excellent safety performance and extensive life cycling in a lighter weight, more compact package
Same chemistry. A123 are great and probably have achieved the highest discharge rate out of anyone but the basic chemical composition is the same as all the other people producing LiFe packs.