Essential J401x Jump Starter Accessory [DWEX9n4L]

Rugged, winter-ready, and trusted by professionals. The LOKITHOR J401X is the cold weather jump starter built to perform when others fail.

Unmatched Starting Power for Extreme Environments

When winter hits hard, the LOKITHOR J401X delivers. This powerful cold-weather jump starter is built for gas engines up to 8.5L and diesel engines up to 6.5L—even in freezing temperatures. With a first-of-its-kind internal battery warmer, the J401X delivers reliable jump-starting power down to -40°F, ensuring full performance even after sitting in freezing temperatures.

Whether you're stuck on an icy road, working at a remote job site, or handling emergencies in a blizzard, the J401X starts your vehicle when standard boosters can’t. Trusted by winter drivers and professionals alike, it’s the best cold-weather jump starter for harsh conditions.

Multifunctional Emergency Power Solution

More than just a cold-weather jump starter, the J401X is a complete winter power solution. With USB fast-charging and a 74Wh internal battery, it powers phones, tablets, and tools in extreme environments. A built-in high-intensity flashlight with SOS and strobe modes keeps you visible during breakdowns or whiteout conditions. Be prepared for more than dead batteries—confidently tackle any cold-weather emergency.

Smarter, Safer, Stronger

Equipped with reverse polarity protection, spark-proof technology, and overheating safeguards, the J401X delivers safe power every time. Its high-performance lithium battery thrives in subzero temperatures, while the impact—and dust-resistant shell makes it rugged enough for the harshest environments. This is the cold-weather jump starter built for real-world challenges.

Why Professionals Trust LOKITHOR

LOKITHOR owns its entire manufacturing process, ensuring high standards and lasting reliability. This cold weather jump starter is field-tested by off-roaders, fleet mechanics, and cold-climate drivers who rely on it daily. It’s known for rugged performance, smart design, and unbeatable value in winter conditions.

Be Prepared for Winter—Anywhere, Anytime

Winter won’t wait, and neither should you. Tackle freezing temps and dead batteries with the cold weather jump starter that never backs down.

Add the LOKITHOR J401X to your gear today.