SKU: 3611536227

BN43 / MI NOTE4 / BN4X

$360.00 $400.00
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No.2 Bestseller on lamcf.fr >

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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 29 - Oct 4

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

BN43 / MI NOTE4 / BN4XHigh capacity 4100mAh replacement battery compatible with MI BN43 Note 4 BN4X models. Built with Fast Charging Password PCBA and lithium polymer technology for efficient performance and extended service life. Specifications: Brand: MI Model: BN43 Note 4 BN4X Battery Capacity: 4100mAh PCBA Type: Fast Charging Password PCBA Battery Type: Lithium Polymer Voltage: 3. 85V Charging Time: Approx. 90 minutes Features: High capacity for extended usage Tested

High-capacity 4100mAh replacement battery compatible with MI BN43 / Note 4 / BN4X models. Built with Fast Charging Password PCBA and lithium polymer technology for efficient performance and extended service life.

Specifications:

  • Brand: MI
  • Model: BN43 / Note 4 / BN4X
  • Battery Capacity: 4100mAh
  • PCBA Type: Fast Charging Password PCBA
  • Battery Type: Lithium Polymer
  • Voltage: 3.85V
  • Charging Time: Approx. 90 minutes

Features:

  • High capacity for extended usage
  • Tested quality for safety and durability
  • Longer service life
  • 100% brand new product
  • Easy to fit and install
  • Reliable cell type for consistent performance

Note: Please ensure your mobile phone is in working condition before replacing the battery.

Usage Direction: Fully charge and discharge the battery 2���3 times before regular use to ensure optimal performance.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 3611536227

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4.6 ★★★★★
Based on 24 reviews
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Product Reviews
C
Verified Purchase
Clash E
Draper, US
★★★★★ 5
Improved Sleep
Color: Dark Grey & White, Size: Adjustable 9&12 Inch + 1 Head Pillow
I got this to help with my sleep since I can't lay flat. It works great. My back started hurting because of the angle but that's because I can't sleep on my back and slide down on my side. It's very comfy and works well for what I need it to do.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
K
Verified Purchase
KRN
Waukegan, US
★★★★★ 5
Very Comfortable
Great! I was a little concerned when it came so tightly shrink wrapped, but a day or two later and it’s in great shape. It’s actually pretty comfortable, good angle. It’s a good width and pretty long to accommodate all body types. I like it can be two heights. My adult kids said it felt like memory foam. I can add my own pillow too to further adjust to my liking. I occasionally get bad heartburn or sick where I need to sleep sitting up. This helps me do that in bed. I tried using it every night at first because I usually sleep with two large stacked pillows, but I’m a side sleeper and it eventually hurt my neck. So, not great if you sleep on your side. I also just lay a pillow case across it to keep clean. You can unzip and take off the cover for cleaning, but I almost never get stuff like that back on right. I got the dark gray cover and I like the soft feel. I’m glad I got it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
M
Verified Purchase
Maria B.Porter
Lowell, US
★★★★★ 5
Lifesaver while recovering from rotator cuff surgery
This pillow was a lifesaver, it’s sturdy yet comfortable and can be used many different ways! Great price and size too! I like that when I opened it, there was no smell! If you’re looking for a wedge pillow, this one will do the job!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
M
Verified Purchase
Mary M.
Phoenix, US
★★★★★ 4
It is a great wedge pillow, but takes time to get used to sleeping on your back
Color: Dark Grey & White, Size: Adjustable 9&12 Inch + 1 Head Pillow
I bought this for post-surgery, I had to sleep on my back. Nearly impossible as a lifelong side sleeper. It is memory foam, and it does seem to run hot. But after a couple of weeks, I'm adjusting to it. Back sleeping is best for saving your face from AM wrinkles and mascara smears all over pillows. (Yes I know, I should take off mascara before bed, but....). Now that I've adjusted to sleeping with it, it stays on my bed and I wake up without the creases on my face and neck! So if you are buying pre-surgery, buy in advance to adjust to a new style of sleeping! I'm keeping it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2025
A
Verified Purchase
Allison
Chelsea, US
★★★★★ 5
Its worth the purchase!
Color: Black, Size: Adjustable 9&12 Inch + 1 Head Pillow
Bought this pillow because Im dealing with both GERD and neck pain so I decided to order this and hope for the best thats being said Im so glad I did because its helped me a lot with both issues. Some extra comments: Its a little firm but not in a bad way and the head rest is comfy but I do wish I could bring it down lower.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026

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