-Detailed explanation of the structure of 12V street light solar lithium-ion batteries

Detailed explanation of the structure of 12V street light solar lithium-ion batteries
author:enerbyte source:本站 click299 Release date: 2023-11-21 13:16:33
abstract:
1. 12V street lamp solar lithium-ion battery is a battery pack composed of 3 or 4 lithium-ion batteries connected in series. The capacity of 12V street lamp solar lithium-ion batteries is determined based on the capacity of a single battery cell or the capacity of batteries connected in parall...

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1. 12V street lamp solar lithium-ion battery is a battery pack composed of 3 or 4 lithium-ion batteries connected in series. The capacity of 12V street lamp solar lithium-ion batteries is determined based on the capacity of a single battery cell or the capacity of batteries connected in parallel. It is a safe and environmentally friendly new type of battery. If the 3 string ternary battery cell combination is nominal as 11.1V street lamp solar lithium-ion battery pack, but the industry is commonly referred to as 12V lithium-ion batteries, If the lithium iron phosphate 4 series lithium battery cell combination is designed with a nominal 12.8V street lamp solar lithium-ion battery pack, it is also known as a 12V lithium-ion battery in the industry.

2. The full charge voltage of the ternary 12V solar lithium-ion battery for street lamps is 12.6V, and the discharge cut-off voltage is 9.0V. However, the full charge voltage of the lithium iron phosphate 12V lithium-ion battery pack is 14.6V, and the discharge cut-off voltage is 10V. Compared to the battery price, the price of lithium iron phosphate is higher than that of ternary materials for batteries. Nowadays, mainstream ternary materials are used for ordinary street lamps, which do not emit CO2 and SO2, and there is no noise from conventional power generation Solid waste and other pollution are currently one of the important renewable energy technologies.

3. The characteristics and applications of solar lithium-ion batteries for street lights: Intelligent control units (lithium-ion battery capacity≥ 1200Wh) are used, with a temperature range of -25-55 ℃. The lithium-ion battery has a service life of more than 3 years, and the shell of the street light battery has functions such as waterproof, moisture-proof, anti-corrosion, thermal insulation, etc. The street light battery products are factory equipped with standard connectors, which have functions such as anti reverse connection and anti wrong connection, and the protection level is IP65 or above.

4. The 12V street lamp solar lithium-ion battery uses a ternary 18650 lithium-ion battery, which is processed with protective plates, accessories, connection devices, etc. The intelligent control system matched with it is also known as a controller. Its working voltage is DC12V10A, and a microcontroller is used to protect the lithium-ion battery. The basic functions must include overcharge protection, over discharge protection, light control, spatiotemporal, anti reverse connection, charging trickle protection, undervoltage protection, overvoltage protection, short circuit protection, waterproof protection, etc. At the same time, the 12V street light solar lithium-ion battery adopts online monitoring and user configurable functions, which is convenient for later debugging and maintenance. A dual protection system is used to ensure the safety of lithium-ion battery use and prevent flammability and explosion, Equipped with single independent voltage detection and protection functions.

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