On the other side of the midframe, we finally find the battery—glued in place.

After a little heat and some gentle convincing, we can push out the power pack for inspection.

Coming in at 11.55 Wh (3,000 mAh at 3.85 V), this is on par with last year's J5—and a bit weaker than the 2017 J7 Pro (3,600 mAh).