*maintenance free
*long design life: floating life: 12 years; cycle life: 5 years
*high safety
*low self-discharge
*low internal resistance
*economical and practical
*high grade original lead
*approval/certification: ce, msds,iso9001, iso14001
*warranty: 2 years
*outstanding low temperature performance, operation temperature is -30oc~+55oc, and the optimum is 25oc.
*quality: all batteries should be tested 5 times before packing to ensure quality ok