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6 months agoI have one of these, it can run my sump pump for around 8-10 hours if the power is off. Make sure you get a quality deep cycle battery, such as a marine rated battery. Due to the fact that I had the battery back up, my homeowner’s insurance will cover my basement for an additional $10,000 over what they normally cover for basement flooding.
[Autel adapter](http://www.Autel.com/ AP200 Bluetooth OBD2 Scanner, Code Reader with Full Systems Diagnoses and 19 Service Functions, Vehicle Scan Tool for iPhone & Android Devices, Mini Size Version of MK808 Diagnostic https://a.co/d/j2TUtop)
You can pick one manufacturer that you will have full functionality with, including bi-directional controls.
Additional manufacturers you can buy a year subscription for $20 to $30.