THE FACT
THE FACT

All Surface Models: Battery Capacity (Wh)

Battery capacity (rated Wh) is a fundamental factor in runtime, ranging from 13.7Wh to 90Wh depending on screen size and chassis. This page compares the battery capacity of all 53 models to examine the balance between portability and stamina.

Largest Battery
90Wh
Smallest Battery
24Wh
Rated Capacity
Rated Wh
Total Models
53 Models
Table of Contents(4 items)

Key Highlights Summary

Largest Battery
90Wh

Surface Book 2 (15-inch)

Brought desktop-class performance to a mobile form factor with 8th Gen quad-core processors, NVIDIA GeForce GTX 1060 graphics, and a large 15-inch display.

Inspect in Table
Smallest Battery
24Wh

Surface Go 2

Expanded to a 10.5-inch display with slimmer bezels and introduced a Core m3 processor option offering a massive speed bump over the original.

Inspect in Table

Complete 53 Models Battery Capacity List

Rated battery capacity (Wh), battery life, capacity per runtime, and release year at a glance.

53 models
RankModelBattery Capacity ▼Battery LifeCapacity / Battery LifeYear
1Surface Book 2 (15-inch)90Wh17h5.3Wh/h2017
2Surface Book 3 (15-inch)81Wh17.5h4.6Wh/h2020
3Surface Laptop Ultra70Wh15h4.7Wh/h2026
4Surface Book 3 (13.5-inch)69Wh15.5h4.5Wh/h2020
5Surface Book 2 (13.5-inch)69Wh17h4.1Wh/h2017
6Surface Book (1st Gen)69Wh12h5.8Wh/h2015
7Surface Laptop 8 (15-inch)66Wh22h3Wh/h2026
8Surface Laptop for Business 15-inch (Intel)66Wh19h3.5Wh/h2026
9Surface Laptop 7 (15-inch)66Wh22h3Wh/h2024
10Surface Laptop Studio 258Wh18h3.2Wh/h2023
11Surface Laptop Studio (Gen 1)58Wh18h3.2Wh/h2021
12Surface Laptop 7 (13.8-inch)54Wh20h2.7Wh/h2024
13Surface Pro 851.5Wh16h3.2Wh/h2021
14Surface Laptop 13-inch (2nd Gen)50Wh22h2.3Wh/h2026
15Surface Laptop 8 (13.8-inch)50Wh20h2.5Wh/h2026
16Surface Laptop for Business 13.8-inch (Intel)50Wh19h2.6Wh/h2026
17Surface Laptop, 13-inch (1st Edition)50Wh18h2.8Wh/h2025
18Surface Pro 10 for Business48Wh19h2.5Wh/h2024
19Surface Pro 9 (Intel)47.7Wh15.5h3.1Wh/h2022
20Surface Laptop 5 (13.5-inch)47.4Wh18h2.6Wh/h2022
21Surface Laptop 5 (15-inch)47.4Wh17h2.8Wh/h2022
22Surface Laptop 4 (13.5-inch)47.4Wh17h2.8Wh/h2021
23Surface Laptop 4 (15-inch)47.4Wh16.5h2.9Wh/h2021
24Surface Pro 7+47.4Wh15h3.2Wh/h2021
25Surface Pro 12 (13-inch)47Wh15.5h3Wh/h2026
26Surface Pro 11 for Business (Intel)47Wh14h3.4Wh/h2025
27Surface Pro 11 (Snapdragon X Elite)47Wh14h3.4Wh/h2024
28Surface Laptop 6 for Business47Wh18.5h2.5Wh/h2024
29Surface Laptop 6 for Business (15-inch)47Wh19h2.5Wh/h2024
30Surface Laptop 3 (13.5-inch, Intel)45.8Wh11.5h4Wh/h2019
31Surface Laptop 3 (15-inch, AMD)45.8Wh11.5h4Wh/h2019
32Surface Laptop 245.2Wh14.5h3.1Wh/h2018
33Surface Laptop (1st Gen)45.2Wh14.5h3.1Wh/h2017
34Surface Pro 645Wh13.5h3.3Wh/h2018
35Surface Pro (5th Gen)45Wh13.5h3.3Wh/h2017
36Surface Pro 743.2Wh10.5h4.1Wh/h2019
37Surface Pro 342.2Wh9h4.7Wh/h2014
38Surface Pro 242Wh8h5.3Wh/h2013
39Surface Pro (1st Gen)42Wh4.5h9.3Wh/h2013
40Surface Laptop Go 241Wh13.5h3Wh/h2022
41Surface Laptop Go41Wh13h3.2Wh/h2020
42Surface Laptop Go 340Wh15h2.7Wh/h2023
43Surface Pro X39.2Wh15h2.6Wh/h2019
44Surface Pro 438.2Wh9h4.2Wh/h2015
45Surface Pro 12-inch (2nd Gen)38Wh15.5h2.5Wh/h2026
46Surface Pro (12-inch)38Wh16h2.4Wh/h2025
47Surface 231.5Wh10h3.1Wh/h2013
48Surface RT31.5Wh10h3.1Wh/h2012
49Surface Go 4 for Business29Wh12.5h2.3Wh/h2023
50Surface Go 328Wh11h2.5Wh/h2021
51Surface 328Wh10h2.8Wh/h2015
52Surface Go (1st Gen)26.1Wh10h2.6Wh/h2018
53Surface Go 224Wh10h2.4Wh/h2020

Condition-Specific Rankings

[1]Source: Geekbench 6 (Processor / OpenCL)

* Where Geekbench has no measured result, scores are estimated from spec change ratios wherever possible. 32-bit models have no data.