A critical factor in the proper use of a rechargeable battery is charging. Inadequate and/or improper charging is probably the single most dominant cause of premature failure of rechargeable lead acid batteries, and it is entirely appropriate that some time and space be devoted to this very important issue.
Recommended Chargers for ODYSSEY®
Proper Charger Selection
Selecting Charging Voltage and Current
Sealed Rechargeable Drycell TM - Deep Cycle Batteries