Replacement AEG 18V Power Tool Batteries

Reliable AEG 18V batteries for demanding tool work

When your cordless drill, driver or professional AEG power tool begins to lose runtime, a replacement AEG 18V battery can bring back the performance you need without replacing the entire tool. This category includes compatible 18V battery packs for popular AEG models, including B1814, B1814G, B1817, B1817G, BS 18, BS 18C, BS 18G, BDSE 18T and PN18X. Whether you are completing repairs at home or using tools daily on site, choosing the correct battery helps maintain steady power, dependable operation and better productivity.

The AEG 18V range is widely used for cordless drills, screwdrivers and other power tools that need a strong balance between voltage, capacity and manageable weight. In this selection you can find Li-Ion and NiMH replacement batteries with capacities from 1500 mAh to 4000 mAh. Lower-capacity packs are a practical option when you need a lighter battery for short tasks, while higher-capacity batteries are ideal when longer working time between charges is important.

How to choose the right 18V AEG replacement battery

Before ordering, always compare the model number on your original battery or tool with the compatible references listed on the product page. Matching voltage is essential: this category is dedicated to 18V AEG power tool batteries. You should also check the battery technology. Some older tools were supplied with NiMH packs, while many newer models use Li-Ion batteries. Selecting the right chemistry helps ensure correct charging and safe, efficient use.

• For compact daily tasks: 18V 1500 mAh Li-Ion packs are suitable for lighter drilling and screwdriving.
• For balanced performance: 18V 2000 mAh batteries offer a useful mix of runtime and weight.
• For longer sessions: 18V 3000 mAh and 4000 mAh Li-Ion options provide extended working time.
• For older compatible tools: 18V 2000 mAh NiMH replacements can support models using the B1814, B1814G, B1817 or B1817G references.

Compatible models and common applications

Our AEG 18V battery selection is designed for users looking for replacements for tool series such as AEG BS 18, BS 18C, BS 18G, BDSE 18T and PN18X. These tools are often used for drilling, fastening, assembly, maintenance and renovation work. A fresh battery can reduce interruptions caused by weak charge retention and can help your tool deliver more consistent torque during demanding applications.

It is useful to keep a spare 18V battery charged and ready, especially if you work away from a fixed power source. With an additional AEG compatible battery, you can rotate packs while charging and avoid unnecessary downtime. This is particularly important for tradespeople, installers and workshop users who rely on cordless tools throughout the day.

Practical battery care tips

To get the best life from your replacement battery, store it in a dry place away from extreme heat or freezing temperatures. Avoid leaving a discharged pack unused for long periods, and use a charger suitable for the battery chemistry and model. If you use several batteries, rotating them regularly can help maintain balanced wear across your tool kit.

Tip: If you are unsure which AEG 18V battery fits your tool, check the label on the original pack for model numbers such as B1814, B1814G, B1817 or B1817G, then compare them with the product description before purchase.

Browse the products in this category to find the right AEG 18V replacement battery for your cordless power tool and restore the runtime your work requires.