No maintenance solar battery.

免维护蓄电池。

The motor is powered by a solar battery.

这台发动机是由太阳能电池驱动的。

It collects energy from the sun into a solar battery.

它可以把太阳的能量收集到太阳能电池里。

A solar battery traps sunlight and converts it into electrical energy.

太阳能电池捕捉阳光，并将阳光转换成电能。

The solar battery has improved our lives, given us much to be grateful.

“太阳能电灯改善了我们的生活，我们都很感激它”。