Knowing the precise charge time of Festool’s 18V battery allows you to map out your day a little better and not have to wait around on a jobsite for them to charge back up again.

The process begin with you taking the battery pack off of the tool. Check the LED level light, which lets you know how much juice it has in there. It give you a quick visual cue of how much is left. Pop the pack on TCL rapid charger.
Detailed Charging Times

It’s got to connect secureley. The battery slide onto the charger unit and locks into place. That provide a good, solid electrical contact so that it charge properly.

It shows a real-time display of how far along you are on the LED panel, and it tells you approximately how much longer, so there’s no guessing about what time your tools will be ready.
A 4.0 Ah cell reaches full charge in roughly 32 minutes, a 5.2 Ah unit take about 45 to 55 minutes, and the 8.0 Ah pack take approximately 87 minutes.
With various sizes of batteries you can experiment with speeds. A 4.0 Ah charges up in about 32 minutes. An 8.0 Ah takes around 87 minutes. A 5.2 Ah take about 45 to 55 minutes to top back off.

Now that’s almost an hour and a half. The charger have no problem with the load.
The times allow you to plan out your day. It allows you to change batteries quickly and have one charging while running the other, that way you don’t lose any time and stay on task.
Once it’s done, the light turns solid green letting you know it’s good to go. No need to keep checking the time. The light will tell you what you need to know.

For peace of mind, you can check it yourself. Pushing the green button on the battery pack bring all four LED indicator to full light. That’s a maximum charge. It verifies that the readout wasn’t a fluke.
No more guessing games about power level. Everything just seems to flow better in your workflow. The quick charger is indeed quick.

Your tools is up and ready to go.
It’s simple. Plug it in; wait; go. It really does what it says.
Less charging time mean more use time.
So far the readout has been consistent enough that I can rely on it to charge my batteries all the way and keep them charged.
Wait times are different then you may recall. You don’t mind waiting because it goes by really fast. The quick charger make all of the difference in the world.
This is why I still use the 18V system. It’s solid. The batteries keeps their charge.
Indicators are uncluttered, simple and self-explanatory. The process of operation is simple. It is all-in-one. No fussy operations. Results speak for themselves. Plenty of speed for everyday needs. Interruptions in power supply is not frequent. High demands is easily met by the system.
The equipment work well. You rely on it totally. It’s exactly what you need, exactly how you need it.
The charger performs. It doesn’t get in your way. It works every day. It charges quickly. It charges predictably. You know what to expect. Variables in planning make it better. You feel good about relying on this stuff. You should of seen how fast it is.