To prevent reversebattery and solar cell function.
防止蓄电池与太阳能电池反接功能。
2
The internal ground resistor limits the reversebattery ground current.
内部接地电阻限制了电池反向接地电流。
3
Then at night, the fiber optics work in reverse, lighting up the towers from the inside and with power provided by integrated solar-charged battery packs.