Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Cold weather means paying a little extra attention to your vehicle to get the most out of it. That means never leaving home without a handy snow brush, ensuring your portable tire inflator is ready to go, and that you're packing a spare, just in case. Cold weather is also notorious for draining batteries. Thankfully, portable car jump starters ...
