The UK's Number 1 for Cordless Garden Tools
Call us for expert advice: 01263 820202

Delivery is free of charge to most of the UK mainland* for orders over £50.00**.

* Scottish Highlands, Offshore UK & Republic of Ireland

If you're ordering to the Scottish Highlands, an offshore UK address or to the Republic of Ireland additional charges may apply. To receive a quote for these costs along with estimated delivery times, please contact us stating your address and the items you would like to order. You can still place your order through the website without receiving a quote but we will be in touch after the order has been placed to confirm delivery costs.

*The following Scottish and offshore postcodes may incur an additional delivery charge:

  • AB
  • BT
  • DD
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  • FK
  • G
  • GY
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**Orders under £50.00 will incur a shipping charge of £5.95. Our full delivery policy is here.

If your order is subject to any additional shipping charges, we will contact you (via email or telephone) prior to processing your payment.

For more information call our sales team on 01263 820202

Please Read Carefully - this product is collect only...

STIHL and VIKING products are considered to be some of the best quality outdoor power tools available to homeowner, landowner and professional users. To ensure that you get the very best level of service, this product must be handed-over to you at the point of sale. Stihl believe that the best service to customers is achieved when the customer has face-to-face contact with their local Stihl dealer. This allows for the end user to receive the proper tool for the job, the right instruction and the peace of mind they can use the tool safely.

To purchase & collect this product choose "ADD TO BASKET". You can choose quantities on next page.

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* mainland UK only - Some Scottish & offshore postcodes may incur a delivery charge (please call for details).

AL-KO EnergyFlex 40 BCK Cordless 36v Brushcutter (Power Unit)

Please note: Supplied as shell only. You will need to purchase a battery and charger with this machine.
FREE EXPRESS DELIVERY (usually next working day, if ordered by 1pm*)Some postcodes excluded. Check postcode.*Mon-Fri, excl bank holidays

Product Code: ALk-40BCK

Availability: Out of stock

RRP: £169.00 £119.00

You Save £50.00 (30%)

Want a better price? Ask us!

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01263 820202

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6 Reasons to Choose Cordless

  1. No power cable to get in the way
  2. No unpleasant exhaust fumes
  3. Running costs kept to a minimum
  4. Much lower maintenance
  5. Extremely quiet
  6. Reduced vibration levels

Product Details

AL-KO EnergyFlex 40 BCK Cordless 36v Brushcutter (Power Unit)

*Please note that the battery and charger are not included.

The Energy Flex 40 BCK brush cutter is a handy and lightweight cordless grass trimmer or brushcutter. Thanks to the tool-free quick-change system, the nylon head and metal brush cutter blade can be swapped in no time. Due to being battery powered, you have a high degree of freedom of movement, without having to pay attention to the cable routing. The 40 BCK provides quiet, emission-free operation and is very easy to maintain. When the work is completed the brush cutter can be split into two pieces for space saving storage.

The 23 cm wide metal blade allows you to easily get through dense grasses and thick weeds. For lighter grass trimming tasks the blade can be replaced in no time with the nylon trimmer head which provides a cutting width up to 30 cm. The optimal line length is set during trimming with the automatic release mechanism by simply tapping the ground with the trimmer head. The 40 BCK has a total weight of 4.2 kg (inc battery not included) is very light and easy to handle. The 40 V / 5-Ah EnergyFlex battery with Li-Ion technology delivers enough power for 40 minutes of trimming - ideal for the home garden. An empty battery is recharged in about 2 hours.


  • Lightweight battery grass trimmer / brushcutter
  • Pre-loaded nylon line trimmer head and metal brushcutter blade
  • Easy to use with automatic line release and adjustable handle
  • Silent, emission-free and cable-less with the power provided from the Energy Flex battery

The AL-KO 40 BCK cordless grass trimmer is lightweight and ergonomically shaped controls make it comfortable to use and from a part of the Energy Flex range which all operate with the same battery.

Precise Right to the Edge
The plant protection bar and wheel make it possible to trim really accurately even under bushes or against walls, without worrying about damaging anything.

Trimming in all Positions
The 3-way angle adjustment of the trimmer head means that even places that are very hard to reach, such as under benches, can be tackled with ease (GTE 450/550, GTLi 18V).

One battery fits all.
Powered by a powerful 36 V / 4.0 Ah Li-ion battery which can be used with all other items in the energy flex range. - Not included with the GT36 Li, HT36 Li, LB 36 Li

Lightweight and Cordless
No strain on arms and allows you the freedom to use anywhere

Easily manoeuvrable thanks to the light weight design.

*Please note that the Battery and charger are not included.

Technical Info

Brand AL-KO
Power Source Cordless / Battery
Power Details Lithium-ion 4.0 Ah battery
Shaft Type Straight shaft
Handle Type D-Loop
Grass Cutter Attachments Auto bump feed nylon head 30cm / 3-tooth metal, 23cm
Starting Method Switch/Button/Bar
Hedge Cutting Attachments No
Weight 2.8kg
Saw Attachments No
Warranty 2 Years for domestic use
Extension Shaft No
Other Features No
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