The Bosch PBA 18V 2.5Ah WB cordless battery (black, POWER FOR ALL ALLIANCE) is a versatile Li-Ion battery designed for anyone who uses several different types of cordless tools at home, in the garden or in the workshop. This smart battery makes your work easier, as it is compatible with a variety of tools within the POWER FOR ALL ALLIANCE system and provides long, reliable power for everyday tasks.

Evaluation of key product features

This battery is intended for all consumers who want to optimize their work with cordless tools - both DIYers and those who frequently use garden tools or home repair tools. Its biggest advantage is its compatibility with the entire line of tools within the POWER FOR ALL ALLIANCE system, which means that a single battery is sufficient for many devices.

With a capacity of 2.5 Ah and a voltage of 18 volts, the battery offers an optimal weight-to-performance ratio. This provides enough power for longer work without adding weight, which is especially appreciated when working overhead or on longer projects. Lithium-ion technology ensures low self-discharge and fast charging, which allows for better tool availability when you need it most.

The battery stands out for its compatibility with a range of tools from a wide range of brands within the POWER FOR ALL ALLIANCE. This means greater flexibility and more space in the workshop, as there is no need to invest in multiple different batteries or chargers. By using it, you reduce the complexity of your equipment and gain more space and simplicity in the everyday use of cordless tools. Thanks to smart energy management and sophisticated safety electronics, your user experience is safer and more reliable.

Same summary

The Bosch PBA 18V 2.5Ah WB cordless battery is particularly suitable for users who already use a tool within the Bosch POWER FOR ALL ALLIANCE platform and want an additional or replacement battery for occasional household tasks. With a voltage of 18 V and a capacity of up to 3 Ah, it offers a balance between sufficient autonomy and low weight, which is practical for shorter tasks such as drilling, screwing or minor gardening. For very demanding tasks or longer continuous work, a battery with a higher capacity may be more suitable; for lighter work, however, this size remains comfortable and easy to handle. The key advantage is compatibility with most Bosch cordless tools in the same voltage class, which allows for easy exchange without additional adjustments.

Recommendation source: Enaa guides and team experiences.

User view

Typical users of this battery are DIYers or gardeners who need a spare battery for tools such as cordless drills, screwdrivers and smaller garden tools. It is practical for everyday repairs when you don't want your tool to run out of power in the middle of a job, or when you use two batteries alternately to reduce interruptions when charging.

Users often appreciate the reliability and extensive ecosystem of the Bosch brand, as they can use the battery with several different devices in the same system, which has an impact on greater flexibility in household tasks.

Why buy at Enaa

When buying a battery at Enaa, you always get accurate information on compatibility and details, making it easier to choose the right product for your existing tool. In addition, the clear categorization of products in the Garden & Tools section is welcome for anyone looking for a battery by voltage or capacity.

Answers to frequently asked questions

Is the Bosch PBA 18V 2.5Ah WB battery compatible with all 18V Bosch tools?

The battery is designed for tools that are part of the Bosch POWER FOR ALL ALLIANCE platform and use 18V batteries. Before use, we recommend that you check that your tool has the appropriate connector and is part of the same platform.

What does the 2.5Ah capacity mean on this battery?

A capacity of 2.5Ah means that the battery can provide a current of 2.5 amps for one hour, which is enough for short or medium-term tasks. For very long work, it is sometimes better to choose a battery with a higher capacity.

Can I use this battery in combination with other batteries on the same tool?

Most standard hand tools only use one battery at a time, but some garden tools have the option of using two batteries at the same time for longer run times. Check your tool's instructions.

What should I do if I'm not sure which battery will fit my tool?

If in doubt, check the battery marking and voltage in the manufacturer's instructions or on your device. It is important that the capacity and voltage match the requirements of the tool and that the battery is from the same series or system.

Description updated: April 2026