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Battery

Battery capacity: typical values for e-readers

Half of e-readers in the catalog have battery capacity below 2,300 mAh, and 80% fall between 1,250 mAh and 4,050 mAh (106 models with data).

Median2,300 mAh
Median 20263,150 mAh
Typical range1,250 mAh – 4,050 mAh
Models106
Distribution

How battery capacity is distributed

061319255001,5002,5003,5004,5005,5006,000500–1,000: 41,000–1,500: 91,500–2,000: 252,000–2,500: 212,500–3,000: 103,000–3,500: 73,500–4,000: 154,000–4,500: 54,500–5,000: 25,000–5,500: 35,500–6,000: 16,000–6,500: 4Median 2,300 mAh
Percentile10 %25 %50 %75 %90 %
Battery capacity1,250 mAh1,500 mAh2,300 mAh3,700 mAh4,050 mAh

A model at the 75th percentile beats three quarters of the catalog on this spec.

Trends

Median battery capacity by year

0 mAh1,000 mAh2,000 mAh3,000 mAh4,000 mAh201920222023202420252026
Recent leaders

Highest battery capacity

1 Bigme B10
Bigme · 2026
B10
10″
6,900 mAh
9.4
2 Boox Tab X
Boox · 2022
Tab X
13.3″207 ppi128 GB560 g
6,300 mAh
3.8
3 Boox Tab Ultra C
Boox · 2023
Tab Ultra C
10.3″300 ppi128 GB480 g
6,300 mAh
6.6
4 Boox Tab Ultra
Boox · 2022
Tab Ultra
10.3″227 ppi128 GB480 g
6,300 mAh
4.5
5 Boox Tab X C
Boox · 2025
Tab X C
13.3″300 ppi128 GB625 g
5,500 mAh
7.3
6 reMarkable Paper Pro
reMarkable · 2024
Paper Pro
11.8″229 ppi64 GB525 g
5,030 mAh
8.8
7 Boox Tab Mini C
Boox · 2023
Tab Mini C
7.8″300 ppi64 GB264 g
5,000 mAh
5.2
8 Lipa ET10
Lipa · 2025
ET10
10.3″227 ppi64 GB400 g
5,000 mAh
8.1
9 PocketBook InkPad Eo 2
PocketBook · 2026
InkPad Eo 2
10.3″300 ppi64 GB470 g
4,900 mAh
6.7
10 Boox Tab Ultra C Pro
Boox · 2023
Tab Ultra C Pro
10.3″300 ppi128 GB450 g
4,600 mAh
5.9
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