BydwdyB Automatic Electric Jar Opener
The BydwdyB automatic electric jar opener is a battery-powered aid for opening glass jars with screw caps. Its one-button operation is intended to reduce the twisting and gripping needed, but it is not suitable for plastic lids and customer feedback reports mixed performance.
At a glance
- One-button automatic operation is described for reducing the hand effort needed to open jars.
- Listing says it adjusts to different jar sizes and gives separate lid and jar diameter ranges.
- Specified for glass jars with screw caps, not plastic lids.
Reference price: $29.99
Price checked: 13 Nov 2026
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Pros and cons
Pros
- Battery operation avoids needing a power outlet during use.
- Automatic operation may suit users who find twisting jar lids difficult.
- The listing provides lid and jar size ranges to help assess compatibility.
Cons
- Requires 2 AA batteries, which are not included.
- Not suitable for plastic lids and is specified for glass screw-top jars.
- Customer feedback describes inconsistent function and quality, with noise and value concerns.
Technical specifications
10 specifications| Brand | BydwdyB |
|---|---|
| Operation mode | Automatic |
| Size | Small |
| Dimensions | 10.9W x 20.3H centimetres |
|---|---|
| Weight listed | 0.39 Kilograms |
| Material listed | Plastic Stainless Steel |
|---|---|
| Blade material | Stainless Steel |
| Batteries required | 2 AA batteries (not included) |
|---|---|
| Claimed lid range | 30 mm to 88 mm |
| Claimed jar range | 25 mm to 88 mm |
What to know before buying
Listing details to confirm
The listing alternates between calling this a jar opener and a can opener, and its instructions describe pressing the button again after rotation to release the opener. The listed capacity ranges are not independently confirmed, and its blanket claim of fitting all sizes conflicts with those stated ranges. Use only with glass screw-top jars, not plastic lids. For tapered jars, the instructions say to hold the opener in place to prevent slipping.
Who is it for?
A good fit for
- People with limited hand strength who want an automatic aid for glass screw-top jars.
- Buyers whose jar lids fall within the stated 30 mm to 88 mm lid range and who are comfortable using AA batteries.
Less suited to
- Anyone needing to open plastic lids or cans.
- Buyers who need consistently dependable operation based on customer feedback.
Customer reviews on Amazon
- 5 stars
53% 53% - 4 stars
15% 15% - 3 stars
6% 6% - 2 stars
5% 5% - 1 star
21% 21%
Customer feedback is divided: some report that the opener works well and is easy to use, while others say it does not work or find its quality poor. Noise and value are also concerns, and some customers do not use it. These reports matter for a battery-operated tool whose one-button operation and stated jar-size ranges may suit people seeking less manual effort, but they do not establish that it will work reliably with a particular jar.
Positive themes
- Some customers report that it works well.
- Some customers find it easy to use.
Negative themes
- Some customers report that it does not work.
- Noise and value concerns are reported.
Mixed feedback
- Feedback is mixed on functionality, quality and ease of use.
Frequently asked questions
What containers is this opener designed for?
The listing specifies glass jars with screw caps and says it is not suitable for plastic lids. Despite references to a can opener, the usage instructions describe opening jar lids.
What size lids can it handle?
The description claims a lid range of 30 mm to 88 mm and a separate jar range of 25 mm to 88 mm. These are listing claims, not independently confirmed measurements.
What batteries does it need?
It requires 2 AA batteries, which are not included.
What do customers report about its performance?
Feedback is mixed on whether it works and on its quality and ease of use. Customers also report noise and concerns about value, so dependable performance is not assured.
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Offer details
- Requires 2 AA batteries, not included.