Amazon.com: Cameron Sino This Battery fits Logitech Harmony 950 915-000260 Elite 915-000257 Replacement and Spare and is Compatible with Logitech 533-000128 623158 : Electronics
The Logitech Harmony Elite Experience: Ultimate Control
3.7V 1250mAh Battery for Logitech Harmony 950,Elite,915-000260 Remote Control | eBay