It is good practice to charge any new battery before use. Even in storage they will loose a portion of their charge. Lead acid batteries have no memory effect which is what they use for most inverter power storage. If you have another type you need to give specs.
Life is not a journey to the grave with the intention of arriving in a pretty, pristine body but rather to come sliding in sideways, all used up and exclaiming, "Wow, what a ride!"
"No-one gets an ironclad guarantee of success. Certainly, factors like opportunity, luck and timing are important. But the backbone of success is usually found in old-fashioned, basic concepts like hard work, determination, good planning and perseverance" -- Mia Hamm