Double USB External Battery Power Bank 4000mah For Phone

Long Cycle life ultra-thin Power Bank 4000mAh for Mobile Phone

1. Cell: Polymer Battery

2. Capacity: 4000mAh

3. Weight: 116g

4. Conversion rate: 90.56%

5. Input: 5.0V/1A

6. Output: 5.0V/2.1A

7. Charging time: 6 hours

8. Cycle life: 500 times

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Long Cycle life ultra-thin Power Bank 4000mAh for Mobile Phone

Guangzhou Sunland New Energy Technology Co., Ltd. (Sunland Power) is a senior professional service provider of battery application. Aiming at serving industrial users, it is dedicated to providing industrial users with optimized battery supporting solutions and safe, environmental friendly and cost-effective battery products.
It has a R & D, engineering and management team with more than 10 years of industry experience
From upstream to downstream, the battery industry has the advantage of vertical integration
Specializing in batteries, battery packs, battery management systems and energy solutions
The products are widely used in medical devices, coal mine security, electronic appliances, power supply and standby energy storage system. For example, the power supply system of electric bicycle; Solar energy storage power supply system, UPS backup power supply system. At the same time, it is also an ideal choice for vehicle starting power supply, military painting and other fields.
We provide professional design and customization services according to the special needs of customers.