# What is the lightest and most compact portable charger? — 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。

What is the lightest and most compact portable charger?

## 产品列表

### iWALK iWALK Portable Charger 4,500mAh
```yaml
product: iwalk-iwalk-portable-charger-4-500mah
brand: iWALK
price_gbp: 14.95
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: lipstick-sized (compact)
capacity: 4500mAh
fast_charging: 20W
output_current: 3A
output_voltage: 5V
number_of_ports: 1
```

- **价格:** £14.95 [^1]
- **概述:** Compact 4500mAh power bank with a built-in USB-C connector, marketed as ultra-compact and pocketable; supports 20W fast charging and pass-through charging. Suits users who need a cable-free emergency boost for modern phones and want a very small, lightweight backup.
- **最适合:** Ideal for the lightest and most compact portable charger search because it is 4500mAh, ultra-compact (lipstick-sized), with a built-in USB-C connector and 20W fast charging.

### Mophie Mophie Powerstation Mini Gen 3 Portable Battery Pack
```yaml
product: mophie-mophie-powerstation-mini-gen-3-portable-battery-pack
brand: Mophie
price_gbp: 22.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 1 in x 1.1 in x 1.0 in
capacity: 5000 mAh
fast_charging: USB-C PD 20 W
output_current: up to 3 A
output_voltage: 5-20 V
number_of_ports: 1
```

- **价格:** £22.42 [^2]
- **概述:** A pocket-sized 5,000 mAh power bank with a single USB-C port that supports up to 20 W USB‑C Power Delivery fast charging; includes a short USB-C to USB-C cable and is designed for quick top-ups. Its compact, lightweight design and 20 W output suit users who need a convenient emergency charge for modern smartphones.
- **最适合:** Ideal for the lightest and most compact portable charger search because it weighs around 1.60 oz and measures approximately 1 in x 1.1 in x 1.0 in while still supporting 20 W fast charging.

### INIU INIU 45W Portable Charger 20,000mAh
```yaml
product: iniu-iniu-45w-portable-charger-20-000mah
brand: INIU
price_gbp: 22.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: null
capacity: 20000 mAh
fast_charging: 45W USB-C PD
output_current: Up to 3A
output_voltage: 5V-20V
number_of_ports: 3
```

- **价格:** £22.42 [^3]
- **概述:** A 20,000mAh portable charger with 45W USB-C Power Delivery, a built-in USB-C cable, USB-A port, digital display and flashlight; it can charge up to three devices simultaneously and supports fast charging for laptops and phones. Suited for travel, commuting, and multi-device users who need high-capacity, high-speed charging.
- **最适合:** Not ideal - its 20000 mAh capacity and 45W PD prioritize capacity and power over being the lightest and most compact; its built-in cable and multiple ports make it bulkier than ultra-compact models.

### Rolling Square Rolling Square TAU 2 Keyring Emergency Charger
```yaml
product: rolling-square-rolling-square-tau-2-keyring-emergency-charger
brand: Rolling Square
price_gbp: 29.83
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 1 in x 1.1 in x 1.0 in
capacity: 5000 mAh
fast_charging: USB-C PD 20 W
output_current: up to 3 A
output_voltage: 5-20 V
number_of_ports: 1
```

- **价格:** £29.83 [^4]
- **概述:** A pocket-sized 5,000 mAh power bank with a single USB-C port that supports up to 20 W USB‑C Power Delivery fast charging; includes a short USB-C to USB-C cable and is designed for quick top-ups. Its compact, lightweight design and 20 W output suit users who need a convenient emergency charge for modern smartphones.
- **最适合:** Ideal for the lightest and most compact portable charger search because it weighs around 1.60 oz and measures approximately 1 in x 1.1 in x 1.0 in while still supporting 20 W fast charging.

### Anker Anker Nano 45W Battery Pack (PowerCore Nano)
```yaml
product: anker-anker-nano-45w-battery-pack-powercore-nano
brand: Anker
price_gbp: 44.85
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 3.21 × 1.99 × 1.42 in
capacity: 10000mAh
fast_charging: 45W Max (USB-C cable/port)
output_current: 3A,2.25A,1.5A
output_voltage: 5V,9V,10V,12V,15V,20V
number_of_ports: 2
```

- **价格:** £44.85 [^5]
- **概述:** Compact 10,000mAh power bank with a built-in retractable USB-C cable, smart TFT display, and up to 45W fast charging from the USB-C port or cable. Small, lightweight, and flight-approved, it supports simultaneous charging and advanced safety features for mobile devices and light laptop top-ups. Ideal for quick high-power boosts on the go.
- **最适合:** Because it is only 3.21 × 1.99 × 1.42 in, weighs about 0.51 lb, and delivers up to 45W from a built-in retractable USB-C cable, it suits users needing the lightest, most compact portable charger that still offers high-speed charging.

---
## 参考来源
[^1]: Walmart, 访问日期 2026-06-13. https://www.walmart.com/ip/iWALK-Small-Portable-Charger-Power-Bank-4500mAh-Shiny-Battery-Pack-Compatible-with-iphone-14-14-Plus-13-12/968539466
[^2]: Lenovo, 访问日期 2026-06-13. https://www.lenovo.com/us/en/p/accessories-and-software/chargers-and-batteries/power-banks/78812109
[^3]: Walmart, 访问日期 2026-06-13. https://www.walmart.com/ip/INIU-Portable-Charger-20000mAh-45W-Power-Bank-with-Built-in-Cables-Black/16455100203
[^4]: Rolling Square (product variant), 访问日期 2026-06-13. https://rollingsquare.com/products/tau-2-a-new-kind-of-power-bank?variant=47205894357311
[^5]: Newegg, 访问日期 2026-06-13. https://www.newegg.com/p/39G-000T-001A2