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- USA
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
DUOYI DY223 Electrical Vehicle Voltage Testing And Fault Diagnostic Instrument1. Resistance, voltage sorting comparison function, can be customized to set the primary and secondary resistance thresholds and primary voltage thresholds 2. Measure and display the internal resistance and voltage of the test battery at the same time; backlight display is convenient for working in dimly lit places and at night 3. Auto power off to save power If there is no key operation in the measurement or comparison mode, the instrument will be
1. Resistance, voltage sorting comparison function, can be customized to set the primary and secondary resistance thresholds and primary voltage thresholds
2. Measure and display the internal resistance and voltage of the test battery at the same time; backlight display is convenient for working in dimly lit places and at night
3. Auto power off to save power If there is no key operation in the measurement or comparison mode, the instrument will be automatically shut down after 10 minutes
4. Soft rubber buttons are comfortable to use and not easy to wear
5. Built-in ambient temperature measurement for versatile use
6. Suitable for all kinds of battery measurement: such as new energy vehicles, traditional cars, electrical cars, motorcycles, etc
Parameters:
1. Measurement object: internal resistance measurement / battery voltage measurement / ambient temperature measurement
2. Resistance measurement range 0.000mΩ2-200Ω (5 ranges, automatic unit switching)
3. Voltage measurement range: 0.000V-+/-100V
4. Temperature measurement range: -10-50 degrees celsius
5. Measuring speed: 3 times/second
6. Battery: 6 x LR6 (not included in shipment)
7. Dimensions: 170 x 100 x 38mm
8. Weight: 200g
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Professional and streamlined leather backpack
I’ve had a dozen or so backpacks to use for work (corporate environment), and I really love this one. The leather is of high quality, plenty of pockets, strong zippers, straps, and grab handle, and provides a polished, professional, well-put together look. In the rear, zippered compartment, I have a 15-inch HP laptop, an iPad, and a 1/2 inch notebook. The main compartment is spacious and holds chargers for each device plus a lot of other miscellaneous items. There are two front, zippered compartments (one is intentionally “hidden” behind the other) that offer a secure and accessible way to access smaller items like pens, air pods, keys, etc. Great purchase, and I would definitely buy it again.
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Reviewed in the United States on July 9, 2025
★★★★★ 5
Love it!!!
Color: Mocha Brown
I bought it because it's the perfect size for carry-on luggage on the plane, and it's big enough to carry several things. Excellent quality for the price. It looks super cute and goes with everything.
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Reviewed in the United States on December 12, 2025
★★★★★ 4
9/10
Color: Mocha Brown
Better than expected
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Reviewed in the United States on July 24, 2025
★★★★★ 5
Lots of storage but compact look
Color: Mocha Brown
I was looking for something for my corporate 9-5 and was over a tote bag. This is perfect! It fits so much without it feeling or looking bulky. Love the amount of storage it has and I think it would even be a good travel bag
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Reviewed in the United States on March 13, 2026
★★★★★ 1
Defective
Super cute bag, unfortunately it was less than functional.
The main zipper cannot zip up completely, as it has been sewn incorrectly.
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Reviewed in the United States on November 17, 2025