NTD just got the battery in today to put together my packout battery generator (power station). Way cheaper than the MX fuel system but I'm not sure how much capacity it has
Milwaukee MXF002-2XC MX FUEL™ Carry-On 1800W / 3600W Power Supply
Milwaukee MX FUEL 3600-Watt/1800-Watt Lithium-Ion Battery Powered Push Start Portable Power Station Battery Generator MXF002-2XC