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This battery charger spent almost nineteen years on the P6 truss segment of the ISS, making it (to my knowledge) the longest flown piece of hardware ever returned from space. Each colored
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International Space Station Batteries Delayed - News about Energy Storage, Batteries, Climate Change and the Environment
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GS Yuasa's Lithium-ion Cells to Be Delivered to the International Space Station for Second Time|GS YUASA
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ISS batteries loaded into KOUNOTORI6 : H-II Transfer Vehicle KOUNOTORI (HTV) - International Space Station - JAXA
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GS Yuasa's Lithium-ion Cells to Be Delivered to the International Space Station for Fourth Time|GS YUASA
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