Cordless Power Tools – Everything You Need to Know Before Buying

Battery technology – the heart of cordless tools

Lithium-ion batteries are the industry standard because they maintain capacity during storage and deliver consistent power throughout use. Capacity is measured in amp-hours (Ah) – a 4.0Ah battery will last twice as long as a 2.0Ah version. Voltage (V) determines tool power: 12V models suit household tasks, while professionals choose 18V or 20V systems like the Bosch Professional range.

Battery compatibility within brands

Most manufacturers including Bosch, Black+Decker and Makita use unified platforms where one battery powers all tools in the same series. This matters if you plan to expand your collection – buying bare tool versions saves significant money. Always check whether the battery is included in the price or sold separately.

Types of cordless tools for different needs

Cordless drills and impact drivers cover most home projects, while cordless grinders and saws are essential for renovation work. Specialized tools like the AR BLUE CLEAN cordless window cleaner MAGIC BLUE 16W solve specific tasks without cables and enable work in locations without power outlets.

Tool kits vs individual purchases

Combo kits typically include 2-4 basic tools with two batteries and a charger in a carrying case. While they seem economical, verify you'll actually use all included tools. Brands like Bosch and Black+Decker also offer individual tools with battery, which is a better solution if you only need a specific type.

What to check before buying

Torque (Nm) on drills determines the ability to work with harder materials – minimum 30Nm for wood, over 50Nm for metal and concrete. Charging speed also matters: fast chargers fill batteries in 30-60 minutes, standard ones in 3-5 hours. Check if the tool has a battery level LED indicator and automatic overload protection.

Warranty and service

Professional brands like Bosch Professional offer up to 3 years warranty and developed service networks. Cheaper brands often provide only one year warranty and limited service options. Replacement battery prices also vary – check availability and cost of spare batteries before purchasing the tool.

Selection and Pricing

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