I did a range test with the GOTRAX XR ULTRA in 30 degree Fahrenheit temperatures. Even with the reduced battery power and many hills I was able to complete 6 miles and still had 45% battery left! Click here for the 300w 15.5MPH 16 mile range XR ultra reviewed here https://amzn.to/2WQYjIx Click here for the 250W 15.5MPH 12.5 mile range XR for https://amzn.to/2PBndJE click here for the 250W 15.5MPH 9 to 12 mile range GXL V2 https://amzn.to/2TlZBd3