# 为了便于携带，最小且最轻的冲击起子是哪一款？ — 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 smallest and lightest impact driver for portability?

## 产品列表

### RYOBI 18V ONE+ HP Compact Brushless 1/4in Hex Impact Driver Kit PSBID02K2
```yaml
product: ryobi-18v-one-hp-compact-brushless-1-4in-hex-impact-driver-kit-psbid02k2
brand: RYOBI
price_gbp: 102.83
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 3000 RPM
torque: 1900 in-lbs
weight: 2.8 lbs
voltage: 18V
chuck_size: 1/4in hex
brushless_motor: true
battery_capacity: 1.5Ah
```

- **价格:** £102.83 [^1]
- **概述:** The RYOBI PSBID02K2 is a compact, lightweight impact driver with a brushless motor, 1900 in-lbs of torque, and a 3000 RPM no-load speed. Its kit includes two 1.5Ah batteries, a charger, and a storage bag, making it suitable for DIYers and general fastening work.
- **最适合:** 这款工具非常适合注重便携性的用户：裸机重量为 1.8 lbs，搭配 1.5Ah 电池后重量为 2.8 lbs，长度仅为 5.3in，同时配备无刷电机并保持 1900 in-lbs 的扭矩。
- **附加来源:** [^2]

### Milwaukee M12 FUEL 1/4in Hex Impact Driver 3453-20
```yaml
product: milwaukee-m12-fuel-1-4in-hex-impact-driver-3453-20
brand: Milwaukee
price_gbp: 110.22
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 0 to 3600 RPM
torque: 1500 in-lbs
weight: 1.6 lbs
voltage: 12V
chuck_size: 1/4in hex
brushless_motor: true
```

- **价格:** £110.22 [^3]
- **概述:** This compact M12 FUEL impact driver uses a POWERSTATE brushless motor to deliver up to 1500 in-lbs of torque and speeds up to 3600 RPM. Its 5in body, Tri-LED lighting, four drive modes, and lightweight bare-tool design suit tradespeople and serious DIY users working in tight spaces.
- **最适合:** 凭借 5in 的紧凑机身和 1.6 lbs 的裸机重量，这款工具便于携带，同时仍可提供 1500 in-lbs 的扭矩和无刷电机性能。
- **附加来源:** [^4], [^5]

### Milwaukee M12 FUEL 1/4in Hex Impact Driver Tool Only 2553-20
```yaml
product: milwaukee-m12-fuel-1-4in-hex-impact-driver-tool-only-2553-20
brand: Milwaukee
price_gbp: 59.18
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 0-3300 rpm
torque: 1300 in-lb
weight: 2 lb
voltage: 12V
chuck_size: 1/4 in
brushless_motor: true
battery_capacity: 2 Ah
```

- **价格:** £59.18 [^6]
- **概述:** This compact M12 FUEL impact driver delivers 1300 in-lb of torque and up to 3300 rpm through a POWERSTATE brushless motor. Its 1/4 in hex chuck and short 5.1 in length suit tradespeople, DIY users, and anyone working in tight spaces, while the tool-only configuration requires a separately purchased battery and charger.
- **最适合:** 重量仅为 2 lb、长度为 5.1 in，并采用小巧的 12V M12 系统供电，对于寻求小型轻便且具备实用 1300 in-lb 扭矩的冲击起子用户而言，这是便携性很强的选择。
- **附加来源:** [^7], [^8]

### Milwaukee M12 FUEL 1/4in Hex Impact Driver Kit 3453-22
```yaml
product: milwaukee-m12-fuel-1-4in-hex-impact-driver-kit-3453-22
brand: Milwaukee
price_gbp: 186.06
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 3600 RPM
torque: 1500 in-lbs
weight: 2.0 lbs
voltage: 12V
chuck_size: 1/4 in Hex
brushless_motor: true
battery_capacity: 2.0 Ah
```

- **价格:** £186.06 [^9]
- **概述:** This compact M12 FUEL impact driver has a POWERSTATE brushless motor, up to 1500 in-lbs of torque, and speeds up to 3600 RPM. Its 2.0 Ah batteries, 5 in length, Tri-LED lighting, and four-mode control suit professionals and DIY users who need portable fastening power in tight spaces.
- **最适合:** 凭借 2.0 lbs 的重量、紧凑的 5 in 长度、12V 平台和无刷电机，这款产品特别适合将便携性置于首位、需要最小巧轻便冲击起子的人。
- **附加来源:** [^10]

### DEWALT 20V MAX ATOMIC Brushless Cordless 3-Speed 1/4in Impact Driver Kit DCF850P1
```yaml
product: dewalt-20v-max-atomic-brushless-cordless-3-speed-1-4in-impact-driver-kit-dcf850p1
brand: DEWALT
price_gbp: 110.22
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 0-3250 RPM
torque: 1825 in-lb
weight: 2.1 lb
voltage: 20V
chuck_size: 1/4 in quick-release hex
brushless_motor: true
battery_capacity: 5.0Ah
```

- **价格:** £110.22 [^11]
- **概述:** This compact cordless impact driver has a brushless motor, 1825 in-lb of torque, and three speed settings reaching 3250 RPM. It suits professionals, contractors, and DIY users who need strong fastening performance in tight spaces, and the kit includes a 5.0Ah battery, charger, belt hook, and contractor bag.
- **最适合:** 工具长度为3.97 in，工具重量为2.1 lb；当您需要一款小巧轻便且具备 substantial 1825 in-lb扭矩的冲击起子时，它是便携性的理想选择。
- **附加来源:** [^12], [^13]

### DEWALT ATOMIC 20V MAX 1/4in Brushless Compact Impact Driver Tool Only DCF809B
```yaml
product: dewalt-atomic-20v-max-1-4in-brushless-compact-impact-driver-tool-only-dcf809b
brand: DEWALT
price_gbp: 84.33
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
torque: 1700 in-lbs
voltage: 20V
chuck_size: 1/4in
brushless_motor: true
```

- **价格:** £84.33 [^14]
- **概述:** The DEWALT DCF809B is a compact 20V brushless impact driver with 1700 in-lbs of torque and a 5.1 in front-to-back length. It suits contractors, DIYers, and users who need strong fastening performance in tight spaces and already own compatible DEWALT batteries.
- **最适合:** 其 5.1 in 紧凑设计、1/4in 夹头、无刷电机和仅含工具的配置，使其成为寻求小巧轻便冲击起子的用户的便携之选，同时无需携带随附电池。

### RYOBI 18V ONE+ HP Compact Brushless 1/4in Hex Impact Driver PSBID02B
```yaml
product: ryobi-18v-one-hp-compact-brushless-1-4in-hex-impact-driver-psbid02b
brand: RYOBI
price_gbp: 62.36
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 0-3,000 RPM
torque: 1,900 in-lbs
weight: 1.85 lbs
voltage: 18V
chuck_size: 1/4 in hex
brushless_motor: true
```

- **价格:** £62.36 [^15]
- **概述:** This compact, lightweight impact driver delivers up to 1,900 in-lbs of torque and 3,000 RPM with a brushless motor. It suits DIYers and tradespeople who need strong fastening performance in tight spaces, while using any RYOBI 18V ONE+ battery.
- **最适合:** 它非常适合注重便携性的用户：裸机重量仅为1.85 lbs，采用紧凑设计和1/4 in六角夹头，同时仍可提供1,900 in-lbs的扭矩。
- **附加来源:** [^16]

---
## 参考来源
[^1]: RYOBI Tools, 访问日期 2026-09-05. https://www.ryobitools.com/products/33287235773
[^2]: The Home Depot, 访问日期 2026-09-05. https://www.homedepot.com/p/RYOBI-ONE-HP-18V-Brushless-Cordless-Compact-1-4-in-Hex-Impact-Driver-Kit-w-2-Batteries-Charger-4Ah-Battery-PSBID02K2-PBP004/341927430
[^3]: The Home Depot, 访问日期 2026-09-05. https://www.homedepot.com/p/Milwaukee-M12-FUEL-12V-Lithium-Ion-Brushless-Cordless-1-4-in-Hex-Impact-Driver-Tool-Only-3453-20/321180351
[^4]: Tool Nut, 访问日期 2026-09-05. https://www.toolnut.com/products/milwaukee-3453-20-m12-fuel-1-4-hex-impact-driver
[^5]: T&A Industrial, 访问日期 2026-09-05. https://www.taindustrial.com/itemdetail/MILW%203453-20
[^6]: The Home Depot, 访问日期 2026-09-05. https://www.homedepot.com/p/Milwaukee-M12-FUEL-12V-Lithium-Ion-Brushless-Cordless-1-4-in-Hex-Impact-Driver-Tool-Only-2553-20/303205819
[^7]: T&A Industrial, 访问日期 2026-09-05. https://www.taindustrial.com/itemdetail/MILW%202553-20
[^8]: Prime Tools US, 访问日期 2026-09-05. https://primetoolsus.com/products/1-4-cordless-hex-impact-driver
[^9]: Motion, 访问日期 2026-09-05. https://www.motion.com/products/sku/13764088
[^10]: Calfast, 访问日期 2026-09-05. https://www.calfast.com/131627_0-impact-m12-14drfuelkit.html
[^11]: The Home Depot, 访问日期 2026-09-05. https://www.homedepot.com/p/DEWALT-ATOMIC-20V-MAX-Lithium-Ion-Cordless-1-4-in-Brushless-Impact-Driver-Kit-5-Ah-Battery-Charger-and-Bag-DCF850P1/316629766
[^12]: Federated Tool Supply, 访问日期 2026-09-05. https://federatedtool.com/dewalt-dcf850p1-20v-max-atomic-3-speed-1-4-impact-driver-5-0ah-w-1-battery-and-bag/
[^13]: Adams Tarp & Tool, 访问日期 2026-09-05. https://www.adamstarpntool.com/product/dewalt-dcf850p1-atomic-20v-max-1-4-brushless-3-speed-impact-driver-kit-5ah/
[^14]: The Home Depot, 访问日期 2026-09-05. https://www.homedepot.com/p/DEWALT-ATOMIC-20V-MAX-Cordless-Brushless-Compact-1-4-in-Impact-Driver-Tool-Only-DCF809B/308779696
[^15]: Home Depot, 访问日期 2026-09-05. https://www.homedepot.com/p/RYOBI-ONE-HP-18V-Brushless-Cordless-Compact-1-4-in-Hex-Impact-Driver-Tool-Only-PSBID02B/328758612
[^16]: RYOBI, 访问日期 2026-09-05. https://www.ryobitools.com/products/33287219612