How to Charge JBL Flip 4

JBL Flip 4 Bluetooth speaker with USB charge port highlighted.

You can charge JBL Flip 4 wireless speakers conveniently via their hidden USB charge ports. To summarize: First, select an adequate USB power adapter. Why this? Because the Flip 4 does not come with this as a standard accessory.

Plus, the Flip 4 needs a high power USB power source to charge fully in a reasonable amount of time.

Next, connect the orange micro USB cable between the Flip 4 and that adapter. Then, plug the adapter into a working wall outlet.

Finally after a few to four hours, your Flip 4 fully charges. Then you’ll be able to play it again for up to twelve hours before you must charge it again.

The JBL Flip 4 with a RavPower USB charger and micro USB charge cable.

How to Charge JBL Flip 4 Wireless Speakers

1. Choose Right Size Power Adapter

In this demo, we use the RavPower 24 watt dual port USB charger adapter.

RavPower 24W dual USB wall charger, showing its specs label side.

2. Open the Port Cover on the JBL Flip 4

Secondly, use a penny or a dime to pry open the waterproof seal port cover on the Flip 4. Then this exposes the micro USB charging port inside.

The JBL Flip 4 with its USB charge port open.

3. Plug in the Micro USB Cord to the Flip 4 to Continue with How to Charge JBL Flip 4

Then, plug the small end of the orange micro USB charge cord into the speaker.

An orange micro USB charge cable inserted.

4. Plug the Other End of the USB Cord into your USB Adapter

Next, connect the A end of the USB charge cable to the power adapter.

The RavPower portable USB charger with a micro USB cable in one of its ports.

5. Plug the AC USB Power Adapter into a Working Wall Outlet

Then plug the adapter into a functioning AC outlet. Here, ours connect to a surge protector power strip.

The JBL Flip 4 charging from a RavPower USB AC charger.

At least one of the battery status lamps lights up on the Flip 4 when you apply enough USB power.

Furthermore, there are five lamps that light in succession as the speaker battery charging progresses.

The battery charge status gauge. Showing charging progress.

6. Charge Until All Battery Gauge Lights Go Out

Battery charging is complete when all but the last of the battery status lights glow solid. The last one continues to blink for several minutes.

This next picture shows the speaker just before completing a full charge cycle. Note that all the lamps in the battery status gage are glowing. However, the last one continues to blink.

The gauge showing a full charge.

The battery recharge cycle finishes when all battery status gage lights go out.

Showing charging done, with all lights out on battery status gauge.

7. Unplug the USB Charge Cable from the JBL Flip 4

8. Fully Close the Port Door

Note that unless this flap is fully in place, water could enter the port area. Then this may damage the electronics inside. So, be sure to press the port door closed with enough force for best water resistance.

Top view of the JBL Flip 4, Showing the controls, with the port door closed.

9. Done with How to Charge JBL Flip 4 !

We have now fully charged our JBL Flip 4 wireless Bluetooth speaker. Note that the battery charge status gauge just after turning on the Flip 4 after a full recharge. Then all lamps are aglow, meaning that the speaker has a full charge.

Finally. repeat this process every ten to twelve hours of play, to keep its battery in top condition. We charge ours when the battery status gage lights show only one light glowing.