Check the listing for details. 2GIG Extended Battery Pack (2GIG-BATT2X) [Open Box]. Color: N/A, Condition: Open box. Listed at 28.00 USD. Extra Battery Power for GoControl Panels The 2GIG Extended Battery Pack is an optional battery pack for the 2GIG GoControl Panel. This 2600 mAh battery pack replaces the 2000 mAh battery pack that comes with the panel to provide extra energy capacity. Like the original pack, the Extended Battery Pack is sealed with industrial PVC and install inside the panel.Replaces the standard Control Panel battery packProvides extra capacity (2600 mAh vs. 2000 mAh)Sealed with industrial PVCRequired for UL985 fire warning systemTechnical DetailsManufacturer Part #: 2GIG-BATT2XUPC: 817082010625Battery: Nickel metal hydride (NiMH), 7.2V 2600 mAhCondition Note This product is brand new; however, we did ship it to a previous customer who promptly returned it. The product is still in great condition, but the original box may be damaged or missing. We are selling this as is, with no returns.