Charts

Weight vs battery capacity

89 models since 2020 on one chart: each dot is a model. The dashed line is the median weight for a given battery capacity.

ModelReleased in the last two yearsMedian

Axes run from the 1st to the 99th percentile; extreme values are left off the chart.

Stand-outs

Least weight for their battery capacity

Boox · 2024

6.1″300 ppi128 GB170 g

170 g3,950 mAh

9.4

Boox · 2023

6.1″300 ppi128 GB170 g

170 g3,950 mAh

9.4

Boox · 2025

6.1″300 ppi128 GB175 g

175 g3,950 mAh

9.2

Boox · 2026

6.1″300 ppi128 GB195 g

195 g3,950 mAh

9.5

PocketBook · 2026

5.8″32 GB130 g

130 g1,550 mAh

6.1

iFLYTEK · 2025

10.6″300 ppi64 GB295 g

295 g4,000 mAh

9.6

Bemi · 2024

5.8″199 ppi8 GB135 g

135 g1,700 mAh

5.8

Bigme · 2025

7″300 ppi64 GB220 g

220 g3,050 mAh

9.7