Using the upgraded material, the sealed lead acid battery 12V with the solid shell is flame retardant, and very safe during transportation and working period. There are many different sizes of lead-acid batteries, our 12V 100Ah type has dimensions 14.2 X 6.8 X 11.22 inches, and you can choose 5Hr or 10Hr type according to your requirements. Those lead acid battery plates separators apart each set of positive and negative plates masterly.More