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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
V311B Car 12V Handheld Battery Tester, V311B1. Battery detection function: Functional requirements that need to be achieved for battery detection: Quickly test the cold start current, internal resistance, battery life and remaining power of a 12V start up lead acid battery to determine whether the battery needs to be replaced. 2. Basic function information: Battery voltage detection. Battery impedance detection. How much battery is left when fully charged for a period of time (SOC). Battery
1. Battery detection function:Functional requirements that need to be achieved for battery detection: Quickly test the cold start current, internal resistance, battery life and remaining power of a 12V start-up lead-acid battery to determine whether the battery needs to be replaced.
2. Basic function information:
Battery voltage detection.
Battery impedance detection.
How much battery is left when fully charged for a period of time (SOC).
Battery life (SOH).
Cold start current detection (CCA).
3. Car start/charge test:
Automobile starting system detection: mainly to detect and analyze the automobile starting motor, detect the actual starting current and starting voltage of the starting motor, and output the battery charging status according to the test result.
4. Working voltage: DC 9???18V
5. 2.8 inch TFT color screen
6. Resolution: 240x320
7. Measurement standards: CCA, JIS, GB, SAE, MCA, CA, DIN, IEC, EN, BCI
8. Measurement type: ordinary battery, AGM flat plate, AGM winding, GEL, EFB
9. Support languages: English, Chinese, Portuguese, Italian, French, German, Spanish, Polish, Russia
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
4.7 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Great duvet insert
Size: King, Style: Light
Perfect duvet insert. I got a pretty expensive duvet to cover this and they worked great together. The fit was perfect and I didn’t feel like the duvet was smaller than its cover. This was a cheap option that keep us warm while not being too think. This product is also breathable and recommend if you live in a place that transitions from hot to cold often.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Great mid-weight comforter
Size: King, Style: Light
Great comforter, especially for the price. I put it in the dryer for a bit when I first got it and it became nice and fluffy. Perfect mid-weight duvet.
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Hotel quality, budget friendly
Size: King, Style: Light
I’ve only used this for several nights. Overall I’m pretty happy with it, especially for the price. It is soft to the touch and has a nice, smooth feel. It’s lightweight but still provides enough warmth for mild to cool nights. I don’t like feeling weighed down when I sleep, so the light fill is actually a big plus for me. If you’re someone who sleeps hot, this is a solid choice. The corner tabs are super helpful. I paired it with a duvet cover and haven’t had issues with shifting or bunching. It also fits my bed well, though I could see it being a bit short on the sides if you have a very thick mattress. This is a great budget-friendly option and seems like it will be easy to maintain.
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Reviewed in the United States on September 19, 2025
★★★★★ 5
A Great Comforter for Everyday Use
Size: Full/Queen, Style: All-Season
I absolutely love this comforter! I love the fact it’s machine washable, and it held up really well after the first wash. It fluffed back up nicely, stayed soft, and didn’t lose its shape. It’s not too heavy but still cozy enough to keep you comfortable. For the price, the quality exceeded my expectations, and I am very happy with this purchase. I highly recommend 😊
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Excellent down alternative insert
Size: Full/Queen, Style: All-Season
I purchased this down alternative for my Airbnb because we can easily wash it. I love that it is fluffy and warm and easy to put into the duvet. Price was great as well!!
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Reviewed in the United States on April 19, 2026
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