LockNJar Electric Mason Jar Vacuum Sealer for Long-Term Food Freshness

Turn Every Jar Into a Freshness Time Capsule with LockNJar

Want Effortless Food Preservation?
With one-touch operation and an automatic stop feature, the LockNJar makes preserving food simpler than ever. Set it on top of your mason jar, tap the button and let the strong -80 kPa suction get to work. The device shuts itself off once the ideal vacuum level has been reached.

Is a Top-Performing Vacuum Sealer What You Need?
With class-leading -80 kPa suction (twice that of competitors) and an ultra-fast operating time of 6-8 seconds, the LockNJar delivers professional-grade preservation. Its powerful motor keeps your food fresh for up to 5 times longer.

Need a Dependable Solution That Lasts?
The LockNJar has a 2000 mAh battery (3x the capacity of competitors) and premium construction, giving you up to 30 days of standby time. Type-C charging and an LED display mean it is always ready when you want to preserve.

Make the Most of Mason Jar Storage Using LockNJar

Using the LockNJar improves how you preserve food, thanks to whisper-quiet operation, rapid sealing, smart battery monitoring and a handy portable design that suits any kitchen.

• Ultra-quiet operation under 60dB
• Fast sealing time of 6-8 seconds
• LED battery level indicator
• Compact, portable design

Superior Suction Power
A vacuum strength of -80 kPa outdoes competing models by 100%, keeping food fresh for up to 5 times longer compared with traditional ways of storing it.

Intelligent Automatic Operation
Press once to start and the automatic stop does the rest, so preserving needs no guesswork and gives ideal results each time, with no manual monitoring.

Universal Compatibility
It fits smoothly on regular mason jars (2.75″) as well as wide-mouth ones (3.4″), making it a great partner for all of your preserving jobs.

Extended Battery Life
Weeks of regular use are covered by one charge of the 2000 mAh battery, which you top up through convenient Type-C charging, while LED battery monitoring shows its status.

Quiet, Expert Performance
Running at less than 60dB, it is quieter than normal conversation while still delivering professional-grade preservation.

Portable Convenience
Its compact, lightweight design has no external parts to lose, so it works well anywhere in your kitchen or when you are travelling.

MEET THE LOCKNJAR

Frequently Asked Questions

Will the LockNJar fit every mason jar?
Absolutely! It suits regular mason jars (2.75″) and wide-mouth ones (3.4″) alike, so it is compatible with standard mason jar brands.

What is the battery life between charges?
The powerful 2000 mAh battery offers standby time of up to 30 days, and a single charge can seal hundreds of jars. The LED display always shows your battery level.

Is it difficult to use?
Not at all! Just rest the LockNJar on top of your mason jar and press a single button. The smart auto-stop technology handles the rest, making it extremely easy to use.

How quickly does it seal a jar?
Remarkably quickly! Each jar is sealed in just 6-8 seconds, significantly quicker than competitor models, which take 12-20 seconds.

Can it keep my food going for longer?
Certainly! Its professional-grade -80 kPa suction lets the LockNJar keep food fresh for up to 5 times longer than conventional storage.

Does it make a lot of noise?
Not at all! At under 60dB, this sealer sounds softer than normal conversation and is far quieter than competing models.

Which foods can I use it with?
Absolutely! It is ideal for preserving fruit, vegetables, dry goods, pickles and jams, plus almost anything else you can keep in a mason jar.

Does it need special maintenance?
No! It is designed for hassle-free use and needs no special maintenance. Simply keep it charged using the Type-C cable supplied.

Is it portable?
Definitely! Weighing just 488g and with a compact design, the LockNJar is ideal for use anywhere in your kitchen or when travelling.

What if I seal a jar incorrectly?
No need to worry! The smart auto-stop technology ensures a perfect seal every time, removing the risk of under-sealing or over-sealing your jars.