Do I have to charge my bottle? Cole September 21, 2016 14:46 Updated Follow No, the batteries can last several months and can be easily replaced with new CR 2032 coin cells. Related articles How long is the battery life? How to manually replace the batteries? How do I order a new battery pack? When should I recalibrate my bottle. How to set your glow at maximum visibility Comments 0 comments Article is closed for comments.