Whirlpool R O Filtration Battery Replacement

I have misplaced the manual for my Wher25 R O filtration system. I now have an amber blinking light on the faucet which I think means the battery is low. Am I correct or does it mean the filters need to be replaced? If it's the battery, how do I remove the cover for the battery so I can replace it? I've tried to remove the cover and it appears to be stuck. Can anyone help?
Thank you in advance.
------------------------------------- Gerald D Jones Jr
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fshrmn wrote:

Ours has just filters -- no RO -- but the spigot probably is the same. The blinking light is to let you know that the filter(s) must be replaced. There is a tiny screw that secures the battery holder in place.
Perce
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