They already switched a few years ago, from NiCad to Lithium Ion. But they were smart enough to keep the same format so all the old and new 18V batteries fit both old and new tools and chargers.SizzleChest wrote: ↑ I'm going by memory here, but as I recall, the only fine print on their lifetime service agreement regarding batteries is that they have to be purchased as part of a kit (included with a tool). Batteries purchased separately only qualify for the standard 3-year warranty.
Just writing that out though made me think - I wonder what would happen if X amount of years down the road, a battery needs to to be replaced and is covered by the LSA, but Ridgid has some new technology out that uses a different type of battery and lithium ion is discontinued. Say they send me a new technology battery to replace a lithium ion one, but then the new battery doesn't fit any of my lithium ion tools. Then what? The same scenario could happen if it's a tool that needs replacing and the new tool only uses a new type of battery that is not compatible with the current lithium ion ones.
I got two of my old NiCad batteries replaced under the lifetime recently and was hoping for the replacements to be LI batteries. No luck, somehow they found some New Old Stock NiCad batteries to give to me. The old ones are much heavier than the new ones. :-(