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Request a ProductBaseus Mini Power Bank 20W 5000mAh Type C Fast Charging External Battery PowerBank for iPhone 15 Pro Max Samsung Xiaomi
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$23.99
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Store:
Shopbu+
Description
- Brand Name: BASEUS
- Output Interface: USB-Type C
- Input Interface: USB Type C
- Hign-concerned Chemical: None
- Battery Type: Lithium Polymer Battery
- Shell Material: Plastic
- Features: Built in Cables
- Origin: Mainland China
- Type: Portable Power Bank
- Support Quick Charge Technology: Two-way Quick Charge
- Max Input: 20W
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Q&A
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Question: Why the battery capacity is 5000mAh, but the rated capacity is 2900mAh?
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Answer:Because the input voltage of devices such as mobile phones is 5V.Inside the power bank, the original 3.85V will be boosted to 5V before output.
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So the output capacity is 3850mAh ( 3.85V*5000mAh/5V=3850mAh).
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There will be energy loss in the step-up and step-down process, and the energy conversion rate: more than 75%.
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Finally, the rated capacity is about 2900mAh. (3850mAh*75%≈2887mAh).
Combining Power & Portability
Baseus Compact Fast Charging Power Bank Type-C Edition 5000mAh 20W
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S5c6adcfeee5a4d87b18f73e45b421514Q.webp)
Even More Compact Design
Much more carry-friendly than traditional power banks
![](https://shopbu.com/wp-content/uploads/2025/02/kf-Sebabeb77dc1c49b4b117158cdbe692eeh.webp)
At the Size of a Lipstick
![](https://shopbu.com/wp-content/uploads/2025/02/kf-Se810cfda6e1f4ce497dadece725f965cw.webp)
Travel with a Lighter Pocket
![](https://shopbu.com/wp-content/uploads/2025/02/kf-Sd90607beac96465d80c4644023e99d73k.webp)
Universal Compatibility
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S1c1fcdb0f2c84eab96be6968c6143bafv.webp)
Two-Way Fast Charging
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S1aa5c8b890b44864be3b55ea4abb3066Q.webp)
20W Fast Charging
Direct-mount or cable fast charging
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S0d3edca8a5f14e64bd58e119086f53fbP.webp)
Rapid 18W Recharging
Fully-Recharged in 1h 47mins
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S9b6776a0c86e4ecc967c2e52b2772a55Y.webp)
8-Layer Safety Protection
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S59fd65b9651948d6ba7658916a862ea9r.webp)
4-Color
![](https://shopbu.com/wp-content/uploads/2025/02/kf-Sc6a5579d925449eca09c8c1ca03669745.webp)
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S056523d99d6243b9ac4dbd50913981818.webp)
![](https://shopbu.com/wp-content/uploads/2025/02/kf-S1aeed57f1b4a4999bc720b7d9c0b3eebw.webp)
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Vendor Information
- Store Name: Shopbu+
- Vendor: Shopbu+
- Address:
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