● D Series Battery Is Specially Designed For Long Service Life In Standby Applications 
Long Life Battery Series
D series battery is specially designed for long service life in standby applications. The D series batteries are float charged at a constant voltage and constant current during the application. The floating charge will make up for the capacity because of the self discharge. D series batteries will performance when the main power is off. D series batteries should be kept float charged during its service life. Ensure the stand by applications for the D series batteries.
Application
● Telecommunication system
● Power system
● Mobile communication system
General Features
● Long service life for standby applications
● Constant float charge voltage
● Convenient for installation
● Maintenance free
● Safety and no leakage
Battery Construction

Component	Positive plate	Negative plate	Container	Cover	Safety valve	Terminal	Separator	Electrolyte
Material	Lead dioxide	Lead	ABS	ABS	Rubber	Copper	AGM glass	Sulfuric acid