This SAKO li-cube Lithium Battery is top brand cells such as CATL and ip level IP20 , two common ways to install the battery. The renowned cell CATL inside this lithium battery promises strong and reliable quality. Not only does it work well, but it also works long, as it enjoys cell cycles as high as 6000! We offer this battery 5 year warranty and 10 years life design to show our confidence in its longevity and strength.It has smart BMS can communicate with Different Brand of hybrid Solar Inverter.Big charge and discharge current,suitable for solar storage system.