Too bad the batteries outlast many Harmony remotes due to the cheap build quality of their products. After going through five RMAs or credit card warranty protections for my Harmony remote I jumped ship to a pro model of a URC. It makes Harmony look like FisherPrice.
Most products get better with each newer version, but Logitech removes features with each new model. A Harmony 890 has Z-wave, 5 button sequences, and four IR emitter ports. The latest Harmony 900 has no Z-wave support, can't do sequences, and only has two IR emitter ports (which use a less common 2.5mm jack as well).