It is Made with Hi-Power Selenium technology which makes it almost self-sustainable battery (Less maintenance) and more durable (Low self-discharge current). it Battery is Unique Feature and Quality that Work Stile is Very Deferent Style it Can Work 170AH Invater and 150AH Solar Tubular Automatic Working Frature of this Market All of Unisko Brand s batteries are solar panel compatible. It protects you from the suffering of buying a new battery whenever you wish to switch to solar. Saver is a programmable battery. Hence, it can be used in a wide Type of applications.