Comparison 1:
First, the cables must be laid. The installation of street lighting and street lights is complicated: There is a complex sequence of operations in the street lighting and street lighting project. A large number of basic projects such as cable trenching, hidden pipe laying, pipe threading and backfilling are required here. Then perform long-term debugging of the device. If there is a problem with a line, a thorough redesign will be necessary. In addition, the terrain and route requirements are complex, and labor and auxiliary materials are expensive. Solar street lights are easy to install: When installing solar street lights, you don't need to lay complicated wiring, you just need to make a cement base and fix it with stainless steel screws.
Comparison 2:
It is necessarymaintain or replace circuits and other configurations on a temporary and ongoing basis. Street lighting and street lights have high electricity bills: Mains lighting and street lights have high, fixed costs. high electricity bills. Maintenance interest increases from year to year. Solar street lights are free from electricity bills: Solar street lights are a one-time investment with no maintenance costs. The cost of the investment can be recouped within three years, providing long-term benefits. Reference http://www.ludeng360.com/246.html
What is the low temperature limit of home solar street light batteries?
10AH capacity should be enough.
1000wh/20w equals 50 hours. That is to say, one kilowatt hour of electricity is enough to power street lights for 4 days.
One kilowatt hour of electricity is approximately equivalent to the capacity ofe the 100,000 mAh lithium battery, which is equivalent to 10ah. .
A 10Ah battery is quite sufficient.
At present, the low temperature limit operating temperature of household solar street light batteries is generally between -20°C and -40°C. .
The solar street light battery is a device that uses the solar photoelectric conversion principle to convert solar energy into electrical energy for street lighting. During the cold winter, the temperature is low, which will have a certain impact on the normal operation of the solar street light battery.
The batteries in solar street light battery packs generally use lithium batteries or lead acid batteries. Lithium batteries are currently the most widely used battery type and their operating temperature range is generally between -20°C and 60°C. In environments with lowAt temperature, the capacity of lithium batteries will decrease, resulting in reduced battery life. Therefore, the operating temperature of solar street light batteries in low temperature environments is generally not lower than -20°C to ensure that the battery can work normally.
Lead-acid battery is a traditional battery type, and its operating temperature range is generally between -20℃ and 50℃. In low temperature environments, the capacity of lead-acid batteries will also decrease, but compared to lithium batteries, lead-acid batteries perform better in low temperature environments. Therefore, when the solar street light battery uses lead-acid batteries, its low temperature limit operating temperature can generally reach -40°C.
In order to ensure the normal operation of lampad batteriessolar areas in low temperature environments, some manufacturers will take certain measures to improve the low temperature resistance of batteries. For example, adding thermal insulation materials to the battery pack to improve the insulation performance of the battery pack using low temperature starting batteries; road to improve the starting capacity of the battery; use battery materials with good low temperature adaptability, etc.
In short, the low-temperature operating temperature limit of domestic solar street light batteries is generally between -20°C and -40°C, depending on the type of battery used and the technical level of the manufacturer . With the continued advancement of technology, it is believed that the performance of solar street light batteries in low temperature environments will be further improved.