· Ntau hom kev them nyiaj (txhawb them, sib npaug them, ntab them)
· Pab kom them Li-thium, Gel, lead-acid roj teeb
· Nrog RS485 chaw nres nkoj kev sib txuas lus
· Kev Tiv Thaiv Ntau Yam: PV array luv Circuit Court, dhau tam sim no rov qab kev sib txuas tiv thaiv, roj teeb overcharge, thim rov qab kev twb kev txuas, tiv thaiv voltage