Bosch Rotak 18V2-38 (Green, 2 Batteries + 1 Charger)

How long do the batteries last during typical mowing sessions?

The two 18V 4.0Ah batteries provide approximately 40 minutes of continuous runtime, which is sufficient for most medium-sized lawns on a single charge. Battery life varies depending on grass conditions, cutting height settings and terrain difficulty. Level 3 cutting height typically offers the best balance between performance and battery conservation. The dual battery system means you can continue mowing with the second battery whilst the first charges.

Can this mower handle long or overgrown grass effectively?

Yes, the brushless motor provides excellent power for tackling overgrown grass, weeds and even small branches. The mower performs well on grass that has been left to grow wild, cutting through clover, buttercups, dandelions and plant stalks without significant slowdown. However, extremely long grass may require multiple passes or a higher cutting setting initially, then gradually reducing to achieve your desired finish.

What is the maximum slope this mower can safely operate on?

The mower can safely operate on slopes up to 45 degrees before the safety cut-out system activates. This feature prevents potential damage to the motor and ensures user safety on steep terrain. For slopes approaching this limit, take extra care with footing and consider mowing across the slope rather than up and down for better control and more even cutting results.

How does the grass bag emptying system work?

The magnetic deflector guard system allows one-handed grass bag removal and emptying. Simply lift the rear flap, grasp the bag handle and the magnetic connection releases easily. The 40-litre fabric bag compacts grass cuttings well, reducing emptying frequency. A fabric indicator on top flattens when the bag is full, providing a visual cue to empty before overfilling occurs.

Are the batteries compatible with other Bosch tools?

Yes, these 18V batteries are part of the POWER FOR ALL ALLIANCE system, making them compatible with over 150 products across 10+ brands. This includes other Bosch garden tools, power tools and household appliances. The universal compatibility provides excellent value and reduces the need for multiple battery systems in your tool collection.

What maintenance does this mower require?

Maintenance is minimal due to the brushless motor design. Regular tasks include cleaning grass debris from the cutting deck after use, brushing out the collection bag and keeping the blade sharp for optimal cutting performance. Check battery charge levels before storage and store in a dry location. The brushless motor eliminates the need for carbon brush replacement required in traditional motors.

How much storage space does the mower require?

The handlebar folds in two places for compact storage, though the exact folded dimensions aren't specified. The mower body is designed for efficient storage in typical garden sheds or garages. Remove the batteries before long-term storage and store them in a cool, dry place with partial charge for optimal battery health and longevity.

What cutting height is best for different grass types?

For fine ornamental lawns, use 30-40mm settings for a pristine finish. Utility lawns benefit from 40-55mm heights for robust growth and drought resistance. During hot weather or dry periods, maintain higher settings (55-75mm) to protect grass roots and retain moisture. The spring's first cut should typically be at higher settings, gradually reducing to your preferred height over subsequent cuts.