Solar street light parts are mainly composed of solar panels, solar street light batteries, light sources, and so on. Because the solar street light is installed outdoors, so maintenance is particularly important, especially the battery.
The maintenance of the battery is mainly two to prevent a control
Two prevent: prevent over-discharge, prevent over-charge
Over-discharge: the deeper the over-discharge, the shorter the number of charge/discharge cycles, that is, the shorter the service life, because over-discharge will make the battery internal pressure rise, resulting in the reversibility of the positive and negative active material received damage, electrolyte decomposition, lithium deposition of the negative electrode, resistance will also increase, even if the charge can only partially recover, its capacity will be significantly decayed, and even directly scrap.
Overcharge: overcharge is the battery charging current is greater than the battery acceptable current, this overcharge will be converted into heat and let the battery temperature rise, long-term this is easy to cause "thermal runaway", so that the battery capacity is reduced sharply and deformation, and there are potential risks of explosion, combustion, so we must prevent the battery overcharge, in strict accordance with the provisions to provide charging The voltage value of the battery and do a good job of overcharge protection.
Control refers to the control of the ambient temperature of the battery.
Ambient temperature, whether too high or too low is also affected by the capacity of the battery, shortening its service life, first of all, in the choice of batteries better choose lithium batteries, rather than colloidal batteries, lithium batteries, whether it is cold or heat resistance performance is more excellent.
If the battery is buried in the ground, it should be buried deeper, at least in 40 centimeters, on the one hand, to reduce the impact of temperature, on the other hand, to prevent flooding, to avoid the impact of water on the battery.
Solar street light battery maintenance must pay extra attention, over-release is not desirable, likewise, over-charge is not, must pay attention to the solar street light battery two prevent a control.
