Deep cycle battery: AGM battery adds tin is called deep cycle battery. Tin is good at electric conduction, and it not only makes the battery deep discharge , but also easily it is easily to charge. The design life is 8-10 years.
Positive………..Lead dioxide
Negative……….Lead
Container……..ABS
Cover………….ABS
Sealant………..Epoxy Resin
Safety valve…..EPDR
Terminal………Copper
Separator……..Fiber glass
Electrolyte……Sulfuric acid