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Festool Energy Set SYS 18V 2x4.0/TCL6DUO - 577109

£343.79 Regular price £379.56

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Well packaged and quickly charged: Two 4.0 Ah Li-HighPower Compact battery packs. A DUO fast charger. In the Systainer³.
Strengths and benefits

  • Ideal addition: Thanks to Li-HighPower cell technology, the Li-HighPower battery packs are powerful enough for any application and compatible with all Festool battery products (For machines that require maximum endurance and power, such as the cordless angle grinder AGC 18 and the handheld cutting system DSC-AGC 18 FH, we recommend energy sets with battery packs BP 18 with 5.2 Ah or 8.0 Ah)
  • Comfortable: Weighing less than 600 grams, the included Li-HighPower Compact battery packs are 20% lighter and 50% more compact than a standard 5.2 Ah battery pack
  • Automatic dust extraction: The Bluetooth® batteries automatically start a connected vacuum cleaner when the tool is switched on
  • Smart expansion: The Festool Work app, in combination with the Bluetooth® function of the battery pack, offers smart additional features such as detailed indication of the charge status and other operational data, such as temperature or charge cycles. To quickly and easily identify the battery with the lowest charge status, you can make the LED indication on the battery pack flash. Software updates are also possible: install the latest version to work with the newest features of the tools at any time
  • Charge two simultaneously: The DUO fast charger charges two battery packs absolutely simultaneously. It is suitable for all battery packs in the 10.8V, 14.4V, and 18V classes (exception: BP-XS for CXS/TXS 10.8V). Separate LED indication for displaying the remaining charging time and charging status on both charging slots informs you at any time about the current charge status
  • Securely stored: Packed in the Systainer³ with enough space for a total of four battery packs and the DUO fast charger
  • Mobile: Packed in the Systainer³, the energy Systainer can be perfectly integrated into the vehicle setup of bott for easy transport from the workshop to the construction site
  • Better in System: Systainers³ are compatible and connectable with all previous Systainer generations, vacuum cleaners, and many more system accessories
  • Fully protected. Naturally, the DUO charger and all battery packs are fully insured with the Festool Service


Applications

  • Power supply for battery products


Suitable for

  • for all tasks and 18-volt machines – when the focus is on compactness and convenience
  • as an ideal addition to the Festool Basic variants or as extra batteries for the workshop or construction site


Scope of delivery
2 x battery BP 18 Li 4.0 HPC-ASI, fast charger TCL 6 DUO, Systainer SYS3 M 187, in box

All-inclusive warranty --> Experience more

Technical specifications

Capacity 4.0 Ah
Weight 5.4 kg
Voltage 18 V
Charging current 2 x 6.0 A
Input voltage 220 - 240 V

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Festool Energy Set SYS 18V 2x4.0/TCL6DUO - 577109

£343.79 Regular price £379.56
Shop With Confidence

Fast shipping

Orders are processed quickly and dispatched from our UK warehouse. Most orders arrive within 1–3 working days depending on your location.

100% Genuine Products

We only supply authentic tools from trusted brands including DeWalt, Makita, Bosch and Stanley.

Get in touch

Changed your mind? Return your order within 30 days for a hassle-free refund or exchange.

Finally, Cool Summer Nights

Tossing and turning on warm summer nights? Roll it into the bedroom, set the 24-hour timer, and drift off. It cools your room down and pulls the mugginess out of the air while you sleep — then switches off exactly when you told it to. No more waking up sticky at 3 a.m.

Cool Comfort, Wherever You Need It

Heatwave outside, 9,000 BTU of cooling power inside. Sized for rooms of 10–16 m², it handles your bedroom, home office, or nursery with ease. Four swivel wheels and built-in handles mean you simply roll it to wherever the sun hits hardest.

What our customers are saying
Sarah M.

My south-facing office got too hot to focus in. Hose out the window and within fifteen minutes it had cooled right down. On the low setting it just hums in the background during calls.

Verified Rating

Hannah W.

Much easier to install than I expected. Window bracket and hose included, wheels on the bottom, and I just roll it from room to room. Nothing to complain about.

Verified Rating

Daniel P.

Bought it just in time for the heatwave and honestly it has been a lifesaver. The house was unbearable and now the living room actually stays comfortable. The dehumidifier mode helps with the muggy air too.

Verified Rating

<strong>Sofia M.</strong>

Our conservatory turned into a greenhouse, especially with all the plants. This keeps it comfortable even with full sun on the glass, and the hose routes easily out the top window.

Verified Rating

Charlotte B.

With the heatwave in the UK right now, this has made the bedroom sleepable again. It holds the set temperature well and the remote means I can adjust it without getting up.

Verified Rating

Olivia J.

I only need one for several rooms. Living room by day, bedroom in the evening, and the side handles make it easy to lift over a threshold.

Verified Rating

Sarah M.

My south-facing office got too hot to focus in. Hose out the window and within fifteen minutes it had cooled right down. On the low setting it just hums in the background during calls.

Verified Rating

Hannah W.

Much easier to install than I expected. Window bracket and hose included, wheels on the bottom, and I just roll it from room to room. Nothing to complain about.

Verified Rating

Daniel P.

Bought it just in time for the heatwave and honestly it has been a lifesaver. The house was unbearable and now the living room actually stays comfortable. The dehumidifier mode helps with the muggy air too.

Verified Rating

<strong>Sofia M.</strong>

Our conservatory turned into a greenhouse, especially with all the plants. This keeps it comfortable even with full sun on the glass, and the hose routes easily out the top window.

Verified Rating

Charlotte B.

With the heatwave in the UK right now, this has made the bedroom sleepable again. It holds the set temperature well and the remote means I can adjust it without getting up.

Verified Rating

Olivia J.

I only need one for several rooms. Living room by day, bedroom in the evening, and the side handles make it easy to lift over a threshold.

Verified Rating

Frequently Asked Questions

Our standard delivery time is 2–4 working days. Every order is processed as quickly as possible to ensure prompt delivery.

Yes. All products are covered by the manufacturer's warranty, giving you complete peace of mind with your purchase.

We work directly with trusted suppliers and keep our operating costs low, allowing us to offer premium air conditioning units at highly competitive prices without compromising on quality.

We accept a range of secure payment methods, including Visa, Mastercard, American Express, Maestro, bank transfer, and Klarna (where available). All payments are processed through trusted, encrypted payment providers to ensure your information remains safe and secure.

Yes. All of our air conditioners are 100% brand new, factory sealed, and supplied in their original packaging.

Absolutely. We offer a 30-day return policy. If you're not completely satisfied, simply contact our customer support team and we'll be happy to help.

If your order has not yet been processed, we'll do our best to amend or cancel it. Please contact us as soon as possible after placing your order.

Our customer support team is happy to help you choose the best model for your home or workspace. Simply get in touch and we'll provide expert advice based on your requirements.

Our standard delivery time is 2–4 working days. Every order is processed as quickly as possible to ensure prompt delivery.

Yes. All of our air conditioners are 100% brand new, factory sealed, and supplied in their original packaging.

Yes. All products are covered by the manufacturer's warranty, giving you complete peace of mind with your purchase.

Absolutely. We offer a 30-day return policy. If you're not completely satisfied, simply contact our customer support team and we'll be happy to help.

We work directly with trusted suppliers and keep our operating costs low, allowing us to offer premium air conditioning units at highly competitive prices without compromising on quality.

If your order has not yet been processed, we'll do our best to amend or cancel it. Please contact us as soon as possible after placing your order.

We accept a range of secure payment methods, including Visa, Mastercard, American Express, Maestro, bank transfer, and Klarna (where available). All payments are processed through trusted, encrypted payment providers to ensure your information remains safe and secure.

Our customer support team is happy to help you choose the best model for your home or workspace. Simply get in touch and we'll provide expert advice based on your requirements.