# Which ultrabook offers the best battery life? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which ultrabook offers the best battery life?

## Products

### HP HP EliteBook X G1i
```yaml
product: hp-hp-elitebook-x-g1i
brand: HP
price_gbp: 3898.8
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: Integrated Intel Arc Graphics
ram: 32
brand: HP
model: HP EliteBook X G1i
weight: 2.6 lb / 1.18 kg
processor: Intel Core Ultra 7 258V
usb_ports: 4 USB ports: 2 USB Type-C Thunderbolt 4, 1 USB Type-C, 1 USB Type-A
resolution: 1920 x 1200
screen_size: 14 in
battery_life: 24
storage_size: 1000
storage_type: PCIe Gen4 NVMe TLC M.2 SSD
```

- **Price:** £3898.8 [^1]
- **Summary:** The HP EliteBook X G1i is a lightweight 14-inch business ultrabook with an Intel Core Ultra 7 processor, 32GB of RAM, 1TB SSD storage, and integrated Intel Arc Graphics. Its WUXGA touch display, enterprise security features, and long battery life make it well suited to mobile professionals and business users.
- **Ideal For:** This ultrabook suits users seeking the best battery life because it offers up to 24 hours of battery life from its 68Wh battery while weighing about 2.6 lb.

### Apple MacBook Air 13-inch Laptop - Apple M2 chip - 16GB Memory - 256GB SSD - Starlight
```yaml
product: apple-macbook-air-13-inch-laptop-apple-m2-chip-16gb-memory-256gb-ssd-starlight
brand: Apple
price_gbp: 500.35
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: 8-core GPU
ram: 16
brand: Apple
model: MacBook Air (M2, 2022)
weight: 2.7 lbs / 1.24 kg
processor: Apple M2 chip
usb_ports: 2
resolution: 2560-by-1664
screen_size: 13.6in
battery_life: 18
storage_size: 256
storage_type: SSD
```

- **Price:** £500.35 [^2]
- **Summary:** MacBook Air with the Apple M2 chip delivers strong everyday performance in a lightweight 13.6-inch ultraportable. It pairs a 16GB unified memory setup with a 256GB SSD and includes Apple's up-to-18-hours battery life, plus MagSafe charging and two Thunderbolt/USB 4 ports. This configuration suits students, professionals, and anyone needing a portable ultrabook for daily work and web use.
- **Ideal For:** For the best battery life in an ultrabook, this model is rated up to 18 hours battery life while remaining at just 2.7 lbs and offering efficient Apple M2 performance with 16GB unified memory and a 256GB SSD.

### Dell Dell Pro 5 14 Intel
```yaml
product: dell-dell-pro-5-14-intel
brand: Dell
price_gbp: 1609.12
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: Integrated Intel Graphics, 4Xe
ram: 16
brand: Dell
model: Dell Pro 5 Series 14 Laptop
weight: 2.95 lb / 1.34 kg
processor: Series 3 Intel Core Ultra 5 335 vPro
usb_ports: 2x Thunderbolt 4, 2x USB-A 3.2
resolution: 1920x1200
screen_size: 14
battery_life: 22.8
storage_size: 512
storage_type: SSD
```

- **Price:** £1609.12 [^3]
- **Summary:** The Dell Pro 5 14 is a lightweight 14in business ultrabook with a high-resolution 16:10 display, Intel Core Ultra processing, 16GB of DDR5 memory, and a 512GB SSD. Its integrated graphics, extensive USB connectivity, and business-focused design suit professionals, managers, and mobile knowledge workers.
- **Ideal For:** This model suits someone asking which ultrabook offers the best battery life because the Dell Pro 5 series is rated for up to 22.8 hours of battery life and can be configured with a 70 Wh battery.

### Dell Dell Pro 7 14 Intel
```yaml
product: dell-dell-pro-7-14-intel
brand: Dell
price_gbp: 1831.45
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: Integrated Intel 4Xe Graphics
ram: 16
brand: Dell
model: P714260
weight: 2.80 lb / 1.27 kg
processor: Series 3 Intel Core Ultra 7 365 vPro
usb_ports: 2 Thunderbolt 4/USB4 Type-C, 1 USB 3.2 Gen 2x2 Type-C or USB 3.2 Gen 1 Type-A, 1 USB 3.2 Gen 1 Type-A
resolution: 1920x1200
screen_size: 14in
battery_life: 26.3
storage_size: 512
storage_type: SSD
```

- **Price:** £1831.45 [^4]
- **Summary:** The Dell Pro 7 14 Intel is a thin 14-inch business laptop with an Intel Core Ultra 7 vPro processor, 16GB of LPDDR5x memory, integrated Intel 4Xe graphics, and a 512GB SSD. Its lightweight 2.80 lb design, business-focused security features, and tested battery runtime make it suitable for professionals who work while traveling.
- **Ideal For:** It suits users asking which ultrabook offers the best battery life because it delivered 26.3 hours in a PCMark 10 Modern Office battery test while weighing just 2.80 lb.
- **Additional Sources:** [^5], [^6]

### Dell Dell Pro Precision 5 16s Intel
```yaml
product: dell-dell-pro-precision-5-16s-intel
brand: Dell
price_gbp: 2138.35
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: Intel Arc Pro B390 integrated
ram: 64
brand: Dell
model: PW516260
weight: 4.20 lb / 1.90 kg
processor: Intel Core Ultra X9 388H vPro
usb_ports: 2 USB-A and 2 Thunderbolt 4 USB-C
resolution: 2560 x 1600
screen_size: 16 in
battery_life: 24.72
storage_size: 1000
storage_type: SED PCIe NVMe 2280 SSD Gen5 x4
```

- **Price:** £2138.35 [^7]
- **Summary:** The Dell Pro Precision 5 16s Intel is a 16-inch mobile workstation with a high-resolution QHD+ display, powerful Intel Core Ultra processing, 64GB of memory, and integrated Intel Arc Pro graphics. Its long tested battery life and business-focused features suit engineers, developers, analysts, creators, and other professionals who need substantial performance on the move.
- **Ideal For:** This model specifically suits users seeking the best battery life because it delivered 24.72 hours in a Modern Office battery test, supported by a 70Wh battery and efficient integrated graphics.
- **Additional Sources:** [^8], [^9]

### HP HP EliteBook X Flip G1i
```yaml
product: hp-hp-elitebook-x-flip-g1i
brand: HP
price_gbp: 1489.27
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: Intel Arc Graphics
ram: 32
brand: HP
model: HP EliteBook X Flip G1i
weight: 1.4 kg
processor: Intel Core Ultra 7 258V
usb_ports: 2 Thunderbolt 4 USB-C, 1 USB-C, 1 USB-A
resolution: 1920 x 1200
screen_size: 14 in
battery_life: 24
storage_size: 1024
storage_type: SSD
```

- **Price:** £1489.27 [^10]
- **Summary:** The HP EliteBook X Flip G1i is a lightweight 14-inch convertible business laptop with a touchscreen, Intel Core Ultra 7 processor, 32GB of RAM, and fast SSD storage. Its 360-degree hinge, integrated Intel Arc graphics, strong webcam, and long battery life suit mobile professionals, business users, and demanding multitaskers.
- **Ideal For:** It suits users seeking the best battery life among ultrabooks because it offers up to 24 hours of battery life with a 68 Wh battery while weighing about 1.4 kg.
- **Additional Sources:** [^11], [^12]

### Dell Dell Pro Precision 5 14s Intel PW514260
```yaml
product: dell-dell-pro-precision-5-14s-intel-pw514260
brand: Dell
price_gbp: 2018.35
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
gpu: Intel Arc Pro Graphics
ram: 16
brand: Dell
model: PW514260
weight: 3.12 lb / 1.42 kg
processor: Intel Core Ultra 5 336H vPro
usb_ports: 2 Thunderbolt 4 USB-C, 2 USB 3.2 Gen 1 Type-A
resolution: 1920x1200
screen_size: 14 in
storage_size: 512
storage_type: SSD
```

- **Price:** £2018.35 [^13]
- **Summary:** The Dell Pro Precision 5 14s is a lightweight 14-inch business laptop with a 12-core Intel Core Ultra 5 processor, 16 GB of memory, 512 GB SSD storage, and Intel Arc Pro graphics. Its WUXGA display, aluminium chassis, extensive connectivity, and Windows 11 Pro make it well suited to mobile professionals and demanding productivity work.
- **Ideal For:** It suits someone seeking an ultrabook with strong battery potential because it combines a 57 Wh three-cell battery with a compact 1.42 kg chassis and efficient 14-inch display.
- **Additional Sources:** [^14], [^15]

---
## References & Sources
[^1]: HP Singapore, accessed 2026-09-13. https://www.hp.com/sg-en/shop/hp-elitebook-x-g1i-14-inch-notebook-next-gen-ai-pc-b90z5pt-4.html
[^2]: Best Buy, accessed 2026-09-13. https://www.bestbuy.com/product/apple-macbook-air-13-inch-laptop-apple-m2-chip-built-for-apple-intelligence-16gb-memory-256gb-ssd-starlight/JJGCQ8WR52
[^3]: Dell, accessed 2026-09-13. https://www.dell.com/en-us/shop/dell-laptops/dell-pro-5-series-14-laptop/spd/dell-pro-p514260-laptop
[^4]: Dell US, accessed 2026-09-13. https://www.dell.com/en-us/shop/dell-laptops/dell-pro-7-series-14-laptop/spd/dell-pro-p714260-laptop
[^5]: Dell Singapore, accessed 2026-09-13. https://www.dell.com/en-sg/shop/laptop-notebook-computers/dell-pro-7-series-14-laptop/spd/dell-pro-p714260-laptop
[^6]: Dell Spain, accessed 2026-09-13. https://www.dell.com/es-es/shop/port%C3%A1tiles-de-dell/port%C3%A1til-dell-pro-14-serie-7/spd/dell-pro-p714260-laptop
[^7]: Dell Malaysia, accessed 2026-09-13. https://www.dell.com/en-my/shop/laptop-notebook-computers/dell-pro-precision-5-series-16s-laptop/spd/dell-pro-precision-pw516260-laptop
[^8]: Dell Singapore, accessed 2026-09-13. https://www.dell.com/en-sg/shop/laptop-notebook-computers/dell-pro-precision-5-series-16s-laptop/spd/dell-pro-precision-pw516260-laptop
[^9]: Dell Hong Kong, accessed 2026-09-13. https://www.dell.com/en-hk/shop/laptop-notebook-computers/dell-pro-precision-5-series-16s-laptop/spd/dell-pro-precision-pw516260-laptop/xcto_pw516260_apac_2
[^10]: HP Australia, accessed 2026-09-13. https://www.hp.com/au-en/shop/hp-elitebook-x-flip-g1i-14-inch-notebook-next-gen-ai-pc-b9gh6pt.html
[^11]: Insight UK, accessed 2026-09-13. https://uk.insight.com/en_GB/shop/product/B68RFEA%23ABU/hp%20inc/B68RFEA%23ABU/HP-EliteBook-X-Flip-G1i-Notebook-Next-Gen-AI-14-Intel-Core-Ultra-7-258V-32-GB-RAM-512-GB-SSD-English-with-HP-Wolf-Pro-Security-Edition-1-year/
[^12]: TechOutlet, accessed 2026-09-13. https://www.techoutlet.eu/en/laptops/hp/elitebook/hp-elitebook-x-g1i.html
[^13]: Dell Singapore, accessed 2026-09-13. https://www.dell.com/en-sg/shop/laptop-notebook-computers/dell-pro-precision-5-series-14s-laptop/spd/dell-pro-precision-pw514260-laptop
[^14]: Dell Hong Kong, accessed 2026-09-13. https://www.dell.com/en-hk/shop/laptop-notebook-computers/dell-pro-precision-5-series-14s-laptop/spd/dell-pro-precision-pw514260-laptop
[^15]: Dell United Kingdom, accessed 2026-09-13. https://www.dell.com/en-uk/shop/laptops-2-in-1-pcs/dell-pro-precision-5-series-14s-laptop/spd/dell-pro-precision-pw514260-laptop