JBL Flip 4 battery replacement - push out - usefull tipps for stucked battery

Introduction

In some cases the battery block / stuck extreme hard inside. You can push it out, with a appropriate tool.

guide "JBL Flip 4 Battery Replacement" for blocked (swollen) battery.

A precise study the of the guide JBL Flip 4 Battery Replacement is required before starting (there are lot of useful comments). _

There are sensitive cables around, which are often hidden by black adhesive tape:
black flat flex / ribbon cable (here in image white) directly behind the USB-Modul,
black flat flex / ribbon cable (here in image white) across the flat,
thin microfon-cable, which rip off easily. Pull adhesive tape careful down.

The tool can be pencil or wood cooking spoon. Use the flat side end, to prevent damaging to the battery.
Too tight or tool is too thick?: Bedder remove the entire USB-Modul, if it does not fit well. A damaged cables would results in more work, then just unplugging this modul.
Put the tool carefully on right side of the USB-Modul in. It's not allowed to be blocked by something. Nor on the side or down side.
The image shows the tool, after the battery was pressed out.

Maybe you can use a alcohol liquid to improve gliding properties. It will evaporation residue-free (in opposite of oil). If there are some glue remains from before, that can be also removed more easier.

The old battery are mounted by sponge rubber. By the bloat / expansion of the battery it's to big to push / pull out the old battery.
To improve mount, you may can add some rubber band to the battery. That will results the same like sponge rubber. It may also prevent too much heat at the battery.
The new battery is perfect centered in position.