# 哪款外置电池最适合我的需求，容量最大？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which external battery offers the best capacity for my needs?

## 产品列表

### Anker Prime Power Bank 27650mAh 250W
```yaml
product: anker-prime-power-bank-27650mah-250w
brand: Anker
price_gbp: 133.09
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 665g
capacity: 27650mAh
charging_time: 43 minutes at 140W
output_current: 5A USB-C; 6.5A USB-A
output_voltage: 5V-28V USB-C; 5V-10V USB-A
number_of_ports: 3
input_charging_method: USB-C; optional charging base
```

- **价格:** £133.09 [^1]
- **概述:** This power bank has a 27650mAh capacity and delivers up to 250W across two USB-C ports and one USB-A port. It supports fast laptop charging, app-based monitoring, and rapid USB-C recharging, making it well suited to travelers and users carrying power-hungry devices.
- **最适合:** 它适合追求最大容量的用户，其27650mAh电池可提供最高99.54Wh的便携电能，同时支持最高250W输出，并可为最多三台设备充电。

### UGREEN 145W 25000mAh Power Bank
```yaml
product: ugreen-145w-25000mah-power-bank
brand: UGREEN
price_gbp: 50.58
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 505g
capacity: 25000mAh/3.6V/90Wh
charging_time: 2 hours with a 65W PD charger
output_current: USB-C1: 5A max; USB-C2: 3.25A max; USB-A: 3A max
output_voltage: 5V, 9V, 12V, 15V, 20V, 28V
number_of_ports: 3
input_charging_method: USB-C PD up to 65W
```

- **价格:** £50.58 [^2]
- **概述:** This power bank has a 25000mAh capacity, up to 145W combined output, two USB-C ports, one USB-A port, and a digital battery display. It suits laptop users, travelers, and anyone needing to charge several devices on the go.
- **最适合:** 它提供大容量25000mAh电池，并具备足够的输出功率，可为笔记本电脑、平板电脑和手机充电；当您重视最大可用容量和多设备充电时，这是一个值得选择的产品。

### Nitecore NB20000 Gen 3
```yaml
product: nitecore-nb20000-gen-3
brand: Nitecore
price_gbp: 77.6
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 291g
capacity: 20,000mAh 3.6V (72Wh)
output_current: USB-C OUT1: 3A at 5V, 2.22A at 9V, 1.66A at 12V; USB-C OUT2: 2.4A at 5V, 2A at 9V, 1.5A at 12V
output_voltage: 5V, 9V, 12V
number_of_ports: 2
input_charging_method: USB-C
```

- **价格:** £77.6 [^3]
- **概述:** The Nitecore NB20000 Gen 3 is a 20,000mAh carbon-fibre power bank with two USB-C ports, pass-through charging, IPX5 water resistance, and a lightweight 291g design. It suits hikers, campers, and travelers who need substantial capacity without carrying a heavier power bank.
- **最适合:** 它提供 20,000mAh 的大容量和 72Wh 的能量，重量仅为 291g，因此非常适合需要兼顾容量与轻量化的多日旅行。

---
## 参考来源
[^1]: Best Buy, 访问日期 2026-09-03. https://www.bestbuy.com/product/anker-prime-27650mah-power-bank-250w-black/JJ8586VPYK
[^2]: UGREEN, 访问日期 2026-09-03. https://us.ugreen.com/products/ugreen-145w-power-bank-for-laptop
[^3]: Nitecore UK, 访问日期 2026-09-03. https://www.nitecore.co.uk/products/nitecore-nb20000-gen-3-power-bank.html