Newegg carries various replacement packs, including multi-packs for systems with several handsets. :

Prices typically range from depending on the model and whether you are buying a single pack or a multi-pack. Uniden Phone Batteries - Amazon.com

are the most popular sources for both genuine Uniden batteries and third-party brands like or Upstart Battery .

Best Buy stocks Uniden-compatible batteries, primarily through their online storefront.

Finding the right battery for your Uniden cordless phone involves identifying your specific model number and choosing between original equipment manufacturer (OEM) parts or compatible third-party replacements. You can find these batteries at major online marketplaces, specialty battery retailers, and select electronics stores. Major Online Marketplaces : Amazon and Walmart