The Go JBL Bluetooth speaker has a single LED near the top of the front panel, as shown in the following pictures. This displays battery status, whether it’s draining or charging, or whether it’s critically low or not when discharging. But it does not read out charging progress, or how full the battery is at a given time while charging. Nor does it show how much power remains in the battery when discharging, although it does change color when the battery reaches near-dead state. In this piece, we describe how to read the JBL Go battery indicator lamp on this speaker.
How to Read the JBL Go Battery Indicator
1. The Battery Indicator Lamp is OFF
When you power down the Go with no charger supplying any current, this lamp, that also doubles as a pilot light, is dark, as we show next. The lamp is also dark when the charger IS connected but the battery finished charging to full.
2. JBL Go Battery Indicator Shows Battery Recharging Progress
The status lamp lights up red (no flashing) while the speaker charges, as shown in the next picture. On this speaker, the glowing light is the only visual indication that charging is going on. But it does not display how far along the charging is.
Note that this lamp blinks red when the battery is critically low while the speaker is running on battery power, and should be recharged immediately. But when you apply adequate USB power, this red flashing light turns to a solid red. Also note that this light never flashes red while charging is occurring.
3. When the Light Goes Out While Charging, Then Charging is Done
As speaker charging continues, the light keeps glowing red, Eventually though, battery charging finishes, and the lamp goes out, or turns white to show this. It turn off when the speaker is not ON, and turns white when it is ON.
4. The JBL Go Battery Indicator Is Not Much of a Battery Charge Remaining Meter
When unplugged from the charger, what was the charging indicator becomes the battery charge left indicator. Well sort of. If it glows blue, then the battery has some amount of play time left, although you cannot tell how much.
The next picture shows the speaker powered ON, with the battery indicator lamp glowing solid blue. Note though that this light blinks blue, when the speaker is not paired.
But the only indication this light gives about battery status when not charging, is when the battery reaches a critically low level. Then, it starts flashing red, as mentioned above.
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References for JBL Go Battery Indicator
- 2022-09-19: First published.