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Startup develops 'maintenance-free' manufacturing process for battery-like cells that are powered by the sun: 'Installing our modules is as easy as sticking a plaster'
"They are completely maintenance-free ... One of the applications is "a battery-free monitoring station for smart homes," potentially increasing the benefits of installing smart technology ...
ZigWheels4y
Q. What is the meaning of maintenance free battery?
The maintenance free batteries comes properly sealed and do not require the maintenance of electro levels. TVS Apache RTR 160 4V comes equipped with a 12 V, 8 Ah Maintenance Free battery.