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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
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Description
ISDT A4 Air Battery Charger, Smart AA/AAA Battery Charger with Bluetooth Connection FunctionThe ISDT A4 Air is an ultra compact, intelligent universal battery fast charger designed for 4 bay cylindrical battery maintenance. Outfitted with four completely independent physical charging channels, the unit handles dynamic power distribution across a diverse range of battery chemistries and sizes simultaneously. Built with an all powerful USB Type C input architecture and full support for integrated wireless operation, it allows users to monitor
The ISDT A4 Air is an ultra-compact, intelligent universal battery fast charger designed for 4-bay cylindrical battery maintenance. Outfitted with four completely independent physical charging channels, the unit handles dynamic power distribution across a diverse range of battery chemistries and sizes simultaneously. Built with an all-powerful USB Type-C input architecture and full support for integrated wireless operation, it allows users to monitor real-time charging cycles, program tasks, and initiate firmware updates straight through a convenient mobile application interface.
Check out all our Chargers and the rest of our ISDT Products!
Features:
- 【Convenient Operation】Perfectly compatible with phone power adapters, USB ports, portable power banks and car chargers, auto-matching with the USB charging devices output power. Fast charging is possible when combined with a QC adapter.
- 【Multifunction Charger】Automatic battery type identification, the A4 Air will auto-match the optimal charging algorithm, fully compatible with NiMH, NiCd, Li-lon and LiFePO4 battery.
- 【Full Color LED Status Indicator】The battery level, type, operation mode and information can be shown clearly by indicators with various color.
- 【Real Full-time 4 Independent Charging Channels】Compact but not simple, with 4 real independent channels for intelligent current regulation, supports hybrid charging of different types & sizes of batteries.
- 【Integrated Protection Design】Innovative battery performance detection mechanism, intelligent power allocation, auto-adjust charging parameters.
Specifications:
- USB C port for power input and PC connection
- AA battery negative plate
- AAA battery negative plate
- Battery positive plate
- LED LightsSmart Charger: A4 Air
- Input Power: DC 5~9V/1.5A
- Max Charging Power: 10w
- Max Charging Current: 1.0A/slot
- Battery Size: AAA,AA,10500,12500
- Battery Types: NiMH,NiCd,Li-lon,LiFePO4
- Operating Temperature: -10℃-40℃
- Dimensions(LXWXH): 59X63X25mm
- Weight: 36g
Package Includes:
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1 * ISDT A4 Air 4-Bay Smart USB Battery Charger
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1 * High-Speed USB Type-C Cable
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
4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 4
Heavy linen character, but a beautifully tailored suit!
Color: Beige, Size: 4, Color: Beige, Size: 4
This is a really nice linen suit! The jacket is beautifully made and well-tailored, with a fun speckled texture that has lots of pretty color variation (we ordered the beige). When I placed it side by side with a similar linen suit from another brand, the difference in the linen texture was really noticeable — this had a much stronger linen character that stands out!
It has three useful pockets on the outside of the jacket, which is great for little hands. The only downside is that one of the inside pockets is just for show (faux), which was a bit surprising and somewhat disappointing for my little guy.
The pants have pockets too, but they aren’t very deep — perfect for small treasures, but not much more. The pants are made from a lighter, thinner single-layer linen compared to the fully lined, double-layer jacket, which makes sense for comfort and easy movement.
The pants didn’t come with a front crease ironed in, so you’ll want to press one yourself. The linen did pick up some creases from being folded in the package, but it doesn’t seem quite as wrinkly as some other linen fabrics I’ve tried. Still, like most linen clothes, especially for boys, the pants will need occasional ironing to keep them looking neat and crisp, especially after a day of play and general wear. The structured, lined jacket stays looking smoother and more put-together with less effort.
It also came with a bow tie, a neck tie, and a tuxedo-style white shirt as extras. The ties aren’t great quality — they’d work fine for quick photos but probably won’t hold up to much actual wear. The formal white shirt feels a bit funny paired with the casual linen suit, but I don’t mind at all. We already have white shirts that we prefer, so we’ll use those instead. For us, the extras are really just bonus items we won’t plan on using.
Overall, it’s a handsome little suit that’s perfect for special occasions like weddings, family photos, or holiday events. My kid looked adorable in it! The stronger linen texture on the jacket gives it a premium feel that I really like. Just be ready for a bit of extra care with the pants to keep everything sharp.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Great suit set
Color: Light Grey, Size: 4
It is incredibly attractive and includes everything a young child needs for a special occasion.
The material is a 75% polyester and 25% linen blend, and the outer fabric feels remarkably smooth. Its unstructured design allows for an attractive, natural drape, and the blend conveniently allows for machine washing at home.
As is typical with linen-based materials, the fabric can be naturally stiff and prone to wrinkling, so I recommend ironing or steaming it before use. The lightweight feel makes it an excellent choice for the spring, summer, and fall months.
Overall, this suit offers exceptional value for the price.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Sharp and Expensive Quality Tuxedo for special events!!
Size: Small, Color: Black
I researched for several tuxedos for my son's prom, we chose this one, and I'm very glad that we did! The fit is nice, the durability is great. Very classy looking! The quality is really surprising for this price, it looks like a $200 dollar suit. My son is very picky and was very pleased with this tuxedo. The seams are very good and all the buttons are correct. We did receive the tie and everything that was supposed to be with it as I know reviews were saying they didn't get certain things but we did. I really like the adjustable waste because my son is very slim, but tall and has a long torso. This Tuxedo allowed him to be super excited that we have everything we need for his first prom! True to color as we purchased the black and it is sharp!
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Impressive suit for the price
Size: X-Large, Color: Navy Blue
Order suit in my normal size (44R) and it fit perfectly. I’m 6’1” and the pant length set at the correct level. Quality fabric and stitching is well finished. Pants are comfortable at the waist with enough flex to be forgiving.
Very good deal for the price…suit, vest and tie.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Great for tall, slender teenager!
Size: Small, Color: Light Grey, Size: Small, Color: Light Grey
Finding a suit for a tall, slender teenage boy is about as hard as climbing Mt. Everest. Until I found this one!! I was so pleasantly surprised that this suit fit my 15 year old son like a glove. He is 5'10'' and 140 lbs so he needs pants with the proper length and smaller waist. While the waist was slightly big, he didn't need a belt and the pants fell perfectly with a pair of Nike tennis shoes. I ordered a size small and would say the pants were a 32x32 but waist was probably more like a 31. Jacket and vest were a great fit as well. High quality and easy to steam to get the shipping wrinkles out.
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Reviewed in the United States on May 25, 2026