12V20Ah Li-phosphate Ion Battery Pack

12V20Ah li-phosphate ion battery pack are normally connected in solar street light to store the power generated in the daytime and power the LED light in the evening, which minimizes the battery space and extend the life duraion of the solar light system. 12V20Ah Ferric Li-phosphate Battery can also be used as energy storage system in other related fields. In recent years, a lot of researchers have carried out extensive studies on LiFePO4 cathode material preparation and modification, and  have achieved many significant progress . 12V20Ah LiFePO4 Battery Accumulator has many strengths, for example, which has a long cycle life, use of safety, high power density, low cost, wide working voltage, and so on.

 It is widely used in various mobile communications equipment, instruments, solar street light, hybrid electric vehicle (HEV), and pure electric vehicles (EV) .Battery management system is important in battery applications, and its working state will have a direct impact to the cycle life and the dailyl operation of the battery . Battery management system is mainly applied to detect the battery voltage, current and temperature, to control charge-discharge process of the battery, and to estimate SOC of the battery . 

Currently,  charging method of LiFePO4 battery is the constant current- constant voltage charging mode. Because LiFePO4 cathode material and production process are different, different charge cut-off voltages are set by producers.