The ST-BTPN is a high-performance NiMH (Nickel Metal Hydride) rechargeable battery pack for Crestron SmarTouch wireless touchpanels. The battery pack is easily installed and removed without tools from the bottom panel of the touchpanel. One (1) ST-BTPN is included with each SmarTouch wireless touchpanel. Additional spares or replacements may be purchased individually.