Which tools are compatible with this battery?

It is compatible with all Hikoki (and Hitachi) 18V slide-type cordless tools.

Does the Hikoki BSL1840M feature a battery level indicator?

Yes, an integrated 4-LED display allows you to check the remaining charge instantly.

Which chargers can be used with this battery?

It works with Hikoki 18V slide chargers, including models like UC18YFSL and UC18YSL3.

How is the battery protected during heavy use?

Integrated electronics monitor the cells to protect against overload, overheating, and deep discharge.

Can I use this 18V battery on Hikoki 36V power tools?

No, this 18V battery is strictly for 18V tools and cannot power 36V Multivolt machines.

HIKOKI BSL1840M 18V Li-ion battery 4.0Ah - 378679

Name: HIKOKI BSL1840M 18V Li-ion battery 4.0Ah - 378679
Brand: HIKOKI
SKU: 08092984
Price: 99.31 EUR
Availability: PreOrder

Supplier number: HIKOKI 378679 | EAN 4549115264403

Recommended Retail Price €132.56

99.31 tax incl.

€82.08 excl. VAT (incl. all environmental contributions)

On order: delivered from 19/10/2026

Ordered before 20:00 - delivered as of 19/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Up to 5 years warranty on HiKOKI after successful registration!

✆ Talk to a specialist

Consistent power for your Hikoki tools

Practical benefits

Extended run time daily: With a 4.0Ah capacity, you complete demanding fastening and drilling jobs without frequent battery changes.
Instant fuel gauge status: The integrated LED indicator gives you clear visibility of remaining energy to avoid unexpected downtime.
Compact and lightweight design: The balanced 18V slide-on pack maintains comfortable tool handling during prolonged overhead and repetitive applications.

In a nutshell

The right choise for

With the Hikoki BSL1840m 18V 4.0Ah Li-ion slide-on battery, you power through demanding tasks without unexpected downtime. The dependable 4.0Ah capacity provides a balanced mix of power and runtime for your daily drilling and fastening jobs on the jobsite or in the workshop. Thanks to its compact and lightweight design, your 18V cordless tools remain agile and comfortable to handle during prolonged applications. The integrated 4-LED fuel gauge lets you check the remaining energy at a glance. Stay in full control of your workday and keep your projects moving forward efficiently.

Product information FAQ

€99.31

tax incl.

Key features according to our expert

Battery voltage: 18 V
Battery type: Li-ion
UN number: UN3480
Capacity (battery): 4 Ah

Product description

The intelligent electronics ensure constant communication between the tool, battery and charger to prevent overloading, overheating, overcharging or deep discharge, and to guarantee the longest possible service life for both the battery and the tool
21,700 powerful cells deliver high performance
An integrated 4-LED display shows the remaining battery charge to prevent costly downtime whilst working
A rubberised surface protects the battery and workpieces

All Features

Battery voltage: 18 V
Battery type: Li-ion
Un number: UN3480
Capacity (battery): 4 Ah
Battery (type): BSL1840M
Battery capacity (ah): 4.0
Battery composition: Li-ion
Battery voltage (v): 18

Brand HIKOKI
08092984
EAN 4549115264403
Supplier number HIKOKI 378679
Warranty Up to 5 years warranty on HiKOKI after successful registration!

Frequently asked questions about this product

Answered by specialists

Which tools are compatible with this battery?: It is compatible with all Hikoki (and Hitachi) 18V slide-type cordless tools.
Does the Hikoki BSL1840M feature a battery level indicator?: Yes, an integrated 4-LED display allows you to check the remaining charge instantly.
Which chargers can be used with this battery?: It works with Hikoki 18V slide chargers, including models like UC18YFSL and UC18YSL3.
How is the battery protected during heavy use?: Integrated electronics monitor the cells to protect against overload, overheating, and deep discharge.
Can I use this 18V battery on Hikoki 36V power tools?: No, this 18V battery is strictly for 18V tools and cannot power 36V Multivolt machines.