Technology Efficacy in Active Prosthetic Knees for Transfemoral Amputees: A Quantitative Evaluation

Table 5

Power sources in the prosthetic knee systems.

Author	Power source for various prosthetic knee systems	Weight
Martinez-Villalpando and Herr, 2009 [6]	The system was powered by a 6-cell Lithium polymer battery (22.2 V nominal).	0.15 kg.
Gong et al., 2010 [44]	Rechargeable lithium ion battery.	Not mentioned.
Sup et al., 2009 [39]	A lithium polymer battery with 29.6 V nominal rating and 4000 mA·h capacity.	0.825 kg.
Fite et al., 2007 [40]	A high-power Li-ion battery from A123 Systems Inc., (model ANR26650MI) for onboard power where the nominal capacity of a single battery is 2.3 Ah and 3.3 V.	0.07 kg.
Wu et al., 2011 [17]	Four 11.1-V, 2000-mAh lithium polymer batteries.	0.122 kg each.