AL-KO EnergyFlex 40BCK battery brushcutter/strimmer

RRP: £129.16£330.84 ex VAT

£112.50£277.50 ex VAT

SKU: 40BCK-PARENT Categories: ,

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  • 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

Lightweight and easy to use battery grass trimmer and brushcutter

The AL-KO Energy Flex 40 BCK Brushcutter

The Energy Flex 40 BCK brushcutter is a handy and lightweight cordless grass trimmer or brushcutter. Thanks to the tool-free quick-change system, the nylon head and metal brushcutter 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 brushcutter can be split into two pieces for space saving storage.

Technical data of the AL-KO Energy Flex 40 BCK

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) is very light and easy to handle. The 40 V / 5-Ah EnergyFlex battery (not included) 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.

Product specification

Power Type2

Lithium Ion Battery

Rated Voltage


Domestic Warranty

2 Years

Handle Type

Loop Handle

Line Head Included

Nylon Automatic Bump Feed

Line Feed

Bump Feed

Blade Included


Harness Included


Weight (Excluding battery)


Commercial Warranty

90 Days

Run Time with AL-KO 4.0Ah EnergyFlex Battery

15 mins

Run Time with AL-KO 5.0Ah EnergyFlex Battery

25 mins



Kit (with 4Ah battery & charger), Kit (with 5Ah battery & charger), Shell only (no battery & charger)