Key Features
Complete 18V Start You get two 5.0 Ah HighPower battery packs plus the TCL 6 charger, so this starter set is ready to put multiple Festool 18V tools into rotation. Built for Festool 18V Tools The Festool Energy set 18V 2xHP5,0/TCL6 starter set is made for the 18V platform, which matters if you want one battery system across your cordless saws and other 18V tools. Good Shop Backup A second battery pack keeps downtime down. Charge one while you run the other, which is the practical way to keep cordless work moving instead of waiting on a charger.
Overview
The Festool Energy set 18V 2xHP5,0/TCL6 starter set is a cordless battery and charger kit built for Festool 18V tools. This is a battery starter set designed for powering and charging Festool cordless tools across a wide range of jobsite and shop applications. Model number 578736 gives you two 18V 5.0 Ah HighPower battery packs and a Festool TCL 6 charger, making it a smart pickup for anyone adding a bare tool or expanding an existing 18V setup.
What matters here is simple: two batteries are better than one when you actually work with cordless tools. One pack can stay on the tool while the second is on the charger, which helps reduce interruptions and keeps your workflow moving. For contractors and serious DIY users, that matters more than flashy claims. If your goal is to keep a Festool cordless saw or other 18V tool ready to go, this kind of set is the practical way to do it.
The HighPower 5.0 Ah battery format gives you solid runtime without turning every tool into a brick. That balance is a big deal on tools you carry, reposition, or use overhead. Festool also calls this set out for broad use across its 18V lineup, so it is aimed at users who want one dependable power source for day-to-day cutting, trimming, and general cordless work rather than a one-off battery for a single tool.
Festool positions this energy set for all applications and 18V devices, with a specific exception list. According to the provided product data, it is intended for all sorts of uses except with the ETSC 125, RTSC 400, DTSC 400, and CTC SYS. That compatibility note is important because battery-system buying only makes sense when you know what it will and will not run. If you already own those excluded tools, double-check your setup before ordering.
As a package, this is less about chasing specs on paper and more about making a cordless platform workable in the real world. The included TCL 6 charger means you are not piecing together a power setup one component at a time. That saves hassle for first-time Festool buyers and gives current users a clean way to add more battery capacity to the bench, van, or trailer.
This set makes the most sense for users who are committed to the Festool 18V system or are about to be. It is a good fit for carpenters, remodelers, installers, and shop users running cordless cutting tools and other 18V equipment. If you are buying a bare Festool 18V tool and need batteries plus a charger in one shot, this is the straightforward way to get there.
Power Your Festool 18V Platform
If you are buying into the Festool cordless system, this is the part that makes bare tools useful. Two battery packs and a charger give you a real working setup instead of a half-complete kit.
- Includes two 18V 5.0 Ah HighPower battery packs
- Includes the Festool TCL 6 charger
- Designed for broad use across Festool 18V devices
What’s in the Box
- (2) Festool 18V 5.0 Ah HighPower battery packs
- (1) Festool TCL 6 charger
Key Specifications
| Voltage (V) | 18 V |
|---|---|
| Battery Capacity | 5.0 Ah each |
| Battery Quantity | 2 |
| Battery Type | HighPower battery packs |
| Charger Included | TCL 6 |
| Platform | Festool 18V system |
Compatibility
Battery Platform Built for Festool 18V tools and applications. Charger System Includes the Festool TCL 6 charger for charging the included 18V battery packs. Known Exceptions Provided product data lists these tools as exceptions: ETSC 125, RTSC 400, DTSC 400, and CTC SYS.
Built For
Festool 18V Users Carpentry Remodeling General Contracting Cordless Tool Setups Shop Backup Power
Tool Nut’s Take
Tool Nut’s Take
Festool Energy set 18V 2xHP5,0/TCL6 starter set is the no-nonsense way to support a bare tool
If you are stepping into the Festool 18V system, this is the kind of buy that makes the rest of the platform easier to live with.
- Who it’s for: Anyone buying a Festool 18V bare tool, plus existing users who want a second battery in the rotation instead of waiting around for charge time.
- Why it stands out: Two 5.0 Ah HighPower packs and the TCL 6 charger give you a complete power base, not just a single battery band-aid.
- Worth knowing: Festool lists a few exceptions, so this is not a blanket fit for every single 18V product. Check the excluded models before you click buy.
Common Questions
- What kind of product is this? This is an 18V battery and charger starter set for the Festool cordless platform.
- What battery capacity is included? The set includes two 18V 5.0 Ah HighPower battery packs.
- Is it compatible with every Festool 18V tool? No. The provided product data lists ETSC 125, RTSC 400, DTSC 400, and CTC SYS as exceptions.
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