What type of batteries do I need? Follow Whipr Support September 07, 2022 02:33 Updated The base unit takes 3 x AA batteries. The hard plastic bottom comes off, the batteries are underneath. Related articles How to replace the batteries on the base unit How to update base unit software from 11.03 to 11.07 How do I set up my equipment? Base unit quick start instructions My rower is making a noise, is that normal? Comments 0 comments Article is closed for comments.