Quote:
Originally Posted by mazboy
NOTE: AGM BATTERIES DO RELEASE GAS.
'AGM batteries must still be vented. Here's why: AGM batteries are a type of valve-regulated lead acid battery. They are “maintenance-free” in the sense of not requiring the addition of water to offset hydrogen gas released during the charging process.'
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How is that since they can be mounted sideways be they are sealed so where do they release gases? I am curious not questioning you?