The LockNJar Mason Jar Vacuum Sealer combines professional-grade suction power, smart auto-stop technology, universal jar compatibility, and long-lasting battery performance to deliver the ultimate food preservation solution.
With LockNJar, Every Jar Is A Time Capsule Of Freshness
The LockNJar’s one-touch operation and automatic stop feature make food preservation simpler than ever. Just place it on your mason jar, press a button, and let the powerful -80 kPa suction work its magic. The device automatically stops when optimal vacuum is achieved.
With industry-leading -80 kPa suction power (twice that of competitors) and ultra-fast 6-8 second operation time, the LockNJar delivers professional-grade preservation performance. The powerful motor ensures your food stays fresh up to 5 times longer.
Featuring a 2000 mAh battery capacity (3x larger than competitors) and premium construction, the LockNJar provides up to 30 days of standby time. The Type-C charging and LED display ensure you’re always ready to preserve.
Join the Growing Community of Satisfied LockNJar Users
4.8 rating based on total orders
The LockNJar enhances your preservation experience with whisper-quiet operation, rapid sealing capabilities, smart battery monitoring, and a convenient portable design that fits perfectly in any kitchen.
SALE
In stock and ready to ship
LIMITED SALE
“I’m amazed by how simple yet effective the LockNJar is! My homemade pickles and jams stay fresh for weeks longer than before, and the automatic stop feature makes it foolproof. Best kitchen investment I’ve made this year!”
– Linda K., USA
LOCKNJAR FEATURES ALL YOU CAN EXPECT:
The -80 kPa vacuum strength outperforms competing models by 100%, ensuring your food stays fresh up to 5 times longer than traditional storage methods.
Designed to work seamlessly with both regular (2.75″) and wide-mouth (3.4″) mason jars, making it the perfect companion for all your preservation needs.
Operating at less than 60dB, it’s quieter than normal conversation while delivering professional-grade preservation results.
One-touch activation with automatic stop functionality takes the guesswork out of preservation, delivering perfect results every time without manual monitoring.
The 2000 mAh battery provides weeks of regular use on a single charge, with convenient Type-C charging and LED battery monitoring.
Compact, lightweight design with no external parts to lose makes it perfect for use anywhere in your kitchen or while traveling.
LockNJar Mason Jar Vacuum Sealer
PE Bag
Data Cable
Color Box
Bottle Opener
User Manual
We understand the value of your time. That’s why our team is trained to respond promptly and efficiently, ensuring your queries and issues are addressed without unnecessary delays.
Frequently Asked Questions
Absolutely! The LockNJar works perfectly with both regular (2.75″) and wide-mouth (3.4″) mason jars, making it universally compatible with standard mason jar brands.
The powerful 2000 mAh battery provides up to 30 days of standby time and can seal hundreds of jars on a single charge. The LED display ensures you always know your battery level.
Not at all! Simply place the LockNJar on your mason jar and press one button. The smart auto-stop technology handles everything else, making it incredibly user-friendly.
Unquestionably fast! The LockNJar seals jars in just 6-8 seconds, significantly faster than competitor models that take 12-20 seconds.
Definitely! With professional-grade -80 kPa suction power, the LockNJar extends food freshness up to 5 times longer than traditional storage methods.
Not at all! Operating at less than 60dB, the LockNJar is quieter than normal conversation and much quieter than competing models.
Absolutely! The LockNJar is perfect for preserving fruits, vegetables, dry goods, pickles, jams, and virtually any food that can be stored in mason jars.
No! The LockNJar is designed for hassle-free operation with no special maintenance required. Just keep it charged with the included Type-C cable.
Definitely! Weighing just 488g and featuring a compact design, the LockNJar is perfect for use anywhere in your kitchen or while traveling.
No worries! The smart auto-stop technology ensures perfect sealing every time, eliminating the risk of under or over-sealing your jars.
The LockNJar has revolutionized my home canning. The automatic stop feature and powerful suction give me confidence that my preserves are properly sealed every time. I’ve noticed my homemade jams staying fresh nearly twice as long as before.
As a chef who does a lot of pickling, this device is a game-changer. The speed and consistency are impressive – 6-8 seconds per jar with perfect results every time. The battery life is exceptional, lasting weeks of heavy use.
Finally, a vacuum sealer that’s actually quiet! I can preserve late at night without waking the kids. The LED display and Type-C charging are thoughtful touches that make it so convenient to use.