The mission was a success, with the crew completing five space walks totaling 37 hours to install new cameras, batteries, a gyroscope and other components to the telescope.
The whole circuit board has to be removed to install batteries and for obvious reasons this should never done in the rain or near wind-blown sea spray.
The hoods of the trucks were raised as mechanics installed fresh solar-charged batteries.
In addition to installing more powerful batteries, the electric motors can increase their power by upping the voltage.
You would have to do open-heart surgery on your hybrid, having a mechanic regularly install new batteries at a cost of several thousand dollars.
The five astronauts and two cosmonauts delivered more than 6,600 pounds of supplies and installed batteries, power converters, a toilet and a treadmill.
The process is done by removing the nickel-metal hydride batteries, and installing different batteries, and a different battery management system.
And few install enough panels or batteries for total independence.
They had supplied and installed the directional beam and the radio and batteries that operated them.
Installing batteries into his cell phone, he calls a tow truck company for assistance.