How Long To Charge Agm Battery. Slow charging 10A or less is the best option for AGM units. An AGM battery should be charged at the equivalent in amps of 01C or 10 of its capacity in Ah for it to last as long as possible.
4 to 8 years for AGM. If you partially charge your AGM battery it may lose its full capacity. Many methods can be used to fix an old dead battery.
After the discharged battery receives a reasonable charge at a level of 3272 degrees Fahrenheit or above it continues until the voltage reaches 245V per cell ie 735V for a 6V.
A standard 12 volts gel or AGM battery can carry up to 500 cycles of charge and discharge considering that it will be charged from at least 20 battery level. Now it is the right time for checking out that status of the discharge battery. If you are not using a smart charger to charge your 12V deep cycle batteries the charging current should be at least 10 of the amp hour rating for a flooded lead acid battery or up to 30 for an AGM lead. 1 to 6 years for Marine deep cycle battery.
