Extended Warranty The web based My MidNiteis being updated to a newer version.The older version will continue to work until February 29, 2016. Firmware and instructions can be found here. It is a Read Only Program, it does not write to the Classic. 2 of them are about 5 years old now and when time came to do the factory reset the software method did not work--only the hardware reset worked. The MidNite Classic charge controller is unique in its ability to be used for a great variety of DC input sources. FEATURES: User-friendly menu structure Customers will need to update the firmware in the Classic to use the new version of My MidNite. The Classic 150, 200 and 250 are designed to work with 12, 24, 36, 48, 60 and 72 volt battery banks. I made Midnite Solar aware of this and they said they would fix it in the next Firmware Update. MidNite Solar Classic 250 MPPT Charge Controller. Classic Monitor is a free status monitor for Midnite solar 's, Classic 150, 200, 250 Charge Controller. Please refer to the Classic wiki and the online documentation for more information. Classic Monitor is a free status monitor for Midnite solar 's, Classic 150, 200, 250 Charge Controller (www.midniteSolar.com). Classic Monitor is NOT a product of Midnite solar, nor do they support this application! The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND, express or implied. View online or download Midnite solar Classic 250 Owner's Manual The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND, express or implied. It is a Read Only Program, it does not write to the Classic. The Classic is designed to regulate DC input from PV, Hydro, Wind and other DC sources.. Classic Monitor is a status monitor for Midnite solar 's, Classic 150, 200, 250 Charge Controller. It is compatible with Windows© 7, Vista, and XP, and Mac OS X ©. The FREE MidNite Solar Local Application Software enables you to monitor your CLASSICs over your local network or the Internet. User upgradeable firmware Graphical display vs. alpha numeric Stores 380 days of data Graphs of data available on the display and PC and internet Time, date and location settings Voice is being added to the display Summer 2012 The Classic 250-SL works with the Whizbang Jr. current sensing module, and gives the right features at the right price! There appears to be no fix for either that I am aware of. Any similar experiences with #1 or #2 above would be appreciated. Midnite solar Classic 250 Pdf User Manuals. As with the whole CLASSIC Line, the CLASSIC 250 has MidNite’s exclusive HyperVOC which extends VOC limits when needed. Classic Monitor is NOT a product of Midnite solar, nor do they support this application! I updated to the latest firmware on my 3 classic 250's yesterday. NOTE: If you need a charge controller for a solar PV system only, and do not require built-in arc fault protection or Ethernet capability, a lower cost option is the MidNite Solar Classic 250-SL.. Click on the "Details" tab to watch a video about the MidNite Solar Classic. It is a Read Only Program, it does not write to the Classic. MidNite Solar Local Application Click the Graphic to the Left to download the MidNite Solar Local Application which enables you to monitor your Classics over your local network or the Internet. The Classic 250-SL has all the power of Midnite's Classic line of MPPT charge controllers, and can be paralleled with the Standard Classic and Classic Lite (to coordinate battery charging).