USAMS iPhone Xs Max 4,000mAh Battery Case

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USAMS iPhone Xs Max 4,000mAh Battery Case

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Compatibility: Apple iPhone Xs Max

Color: Black

Usams is a modern and high quality premium brand designed  Korea which is covering a wide range of the most important accessories  for mobile phones and mobile devices . All Usams products combines the reliability and durability, which managed to get through attention to the selection of the highest quality materials and components. Usams products has bright and original design and technical solutions, which makes these products unique.

Product infomation:

  • Color: Black
  • Model: US-CD110
  • Input: 5V-1A
  • Output: 5V-1A
  • Capacity: 4000mAh
  • Battery: Li-polymer
  • Charging time: 2-3
  • Weight: About 106g
  • Support: Audio + Data transmission + Magnetic suction
  • Size:76,6x149,6x16,1mm


1. Power bank+ Phone case, 2IN1 design
2. Shock-proof and Anti-fall - Flexible and elastic TPU material, full protection
3. Support Audio /Data Transmission/Magnetic Suction
4. Efficient and convenient to charge - charging without cable, long press 3s to power on/off
5. Ultra-thin Easy to carry - standby battery embedded in the phone case, always ready to provide power
6. Charging and playing - rational design, convienent to use
7. Showing available power - Led light displey power status

  • 4 white lights are on: 75-100%
  • 3 white lights are on: 50-74%
  • 2 white lights are on: 25-49%
  • 1 white light is on: 1-24%
  • 1 white light flashes: 0%

8. Smart and safe charge - smart IC monitor charging status, slow current when power is up to 90%
9. 10-folds Smart Protection - High-quality polymer Li-battery, more than 300 recharge times.

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