Lithium Batteries (usually) don't have a problem with the cold...
Sealed lead do, however.
I have a 5 year old "ICE GATOR" and the 'sealed lead" batteries are finally tiring out
Just ordered a set of "lithium ion" for My gator.
Gonna save Me 10 lbs of weight, too!
Here's a link to the ION... http://youtu.be/6Ycr5Ym4Upw
The previous post above (BIGMAN) should be noted that His ICE GATOR was equipped with "MORA LAZOR" blades vs MORA REGULAR (blue) model blades...