hat
DF518H itilize pil kalite tanperati ityòm tankou yon rezèv pou pouvwa backup. Gran pwoteksyon batri IC ka fè batri tou de gen yon bon lavi batri lontan, men tou, gen efikas efikasite enèji itilizasyon.
eng
DF518H use high temperature type lithium batteries as a backup power supply. Great battery protection IC can make battery both has a good long battery life, but also has efficient energy utilization efficiency.