Cordless Portability
A 2500mAh battery allows for sealing anywhere in the kitchen.
Vacuum sealers
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UNERVER
7.5/10
UNERVER Vacuum Sealers
A specialized portable solution for sealing mason jars, utilizing a high-capacity battery for cordless convenience
Editor’s pick
What stands out
Auto-Stop Technology
The smart sensor stops the vacuum once the seal is perfect.
Universal Jar Compatibility
Works with both wide and regular mouth mason jars.
About this lineup
Smart Jar Sealing Technology
The M12 model is an electric, portable device specifically engineered for mason jars. It features an auto-stop function and a 2500mAh battery for efficient, cordless operation.
- Electric mason jar sealer
- 2500mAh rechargeable battery
- Auto-stop smart technology
- Wide mouth jar compatibility
- Regular mouth jar compatibility
- Portable handheld design
Designed around
Dedicated Jar Preservation
Unlike traditional bag sealers, this device is purpose-built for mason jars. It provides an airtight seal for dry goods or liquids stored in glass containers.
Smart Auto-Stop Feature
The M12 includes an auto-stop function that detects when the vacuum is complete. This prevents over-vacuuming and ensures a consistent seal every time.
High-Capacity Cordless Power
Equipped with a 2500mAh battery, this sealer offers long-lasting portable use. It eliminates the need for power cords, making it easy to use on any counter.
Dual Size Versatility
The kit is designed to fit both regular and wide-mouth mason jars. This makes it a versatile tool for various canning and storage needs.
Products
UNERVER: 1 vacuum sealer
Electric Mason Jar Vacuum Sealer
Cheap · Electric vacuum sealers · Mason jar vacuum sealers
Buyers
Buyer notes
The auto-stop feature is great because I don't have to guess when the jar is fully sealed.
I love that it is cordless; the 2500mAh battery lasts through many jars before needing a charge.
It fits both my regular and wide-mouth jars perfectly, making it very useful for my pantry.
Common questions
UNERVER Questions
What kind of containers does this sealer work with?
This device is specifically designed for mason jars. It is compatible with both wide-mouth and regular-mouth jar sizes.
Is this a corded or cordless device?
The UNERVER M12 is a portable electric sealer. It features a 2500mAh rechargeable battery for cordless operation.
How does the auto-stop function work?
The smart jar sealer detects when the air has been fully removed. It then automatically stops the vacuum process to ensure a perfect seal.
What is included in the sealer kit?
The kit includes the electric sealer machine and the necessary components to seal both wide and regular mason jars.