The batteries and cells category covers disposable batteries, button and photo cells, rechargeable batteries, battery chargers and lead-acid batteries, with over 2100 products in total. It suits households and businesses that need power for remote controls, watches, cameras or tools. Products from VARTA, ANSMANN, GP Batteries, Energizer and Duracell are included.
How to choose batteries and cells
Size and designation. Start with the type named in the device manual or printed on the old battery: AA, AAA, C, D, 9 V or a button cell such as CR2032. Some button cells differ only in thickness or voltage, so the code must match exactly.
Chemistry. Alkaline batteries are the usual choice for remotes, toys and wall clocks. Lithium cells are lighter, cope better with cold and are often used in cameras and smoke detectors. Nickel-metal hydride (NiMH) cells are rechargeable, while lead-acid batteries are used in backup power supplies and alarm systems.
Disposable or rechargeable. For devices used often, such as game controllers, flashguns or wireless mice, rechargeable batteries work out cheaper over time. Rarely used devices, such as an emergency torch, suit disposable cells, because many of them hold their charge well in storage.
Capacity and self-discharge. The capacity of rechargeable cells is given in mAh: the higher it is, the longer the device runs between charges. If batteries often sit on a shelf, choose models with low self-discharge so they are still charged months later.
Charger. A charger must be designed for your cells' chemistry, for example NiMH, and ordinary disposable alkaline batteries must not be charged in it. More convenient models charge each slot separately and show the charging status.
Brands in our range
- VARTA: a German manufacturer known for button cells, hearing aid batteries and alkaline batteries.
- ANSMANN: a German company with a strong focus on chargers and rechargeable cells.
- GP Batteries: a Hong Kong-based manufacturer offering alkaline, NiMH and button cells.
- Energizer and Duracell: two of the best-known alkaline battery brands; Energizer is also known for lithium AA and AAA cells.
- Panasonic: the maker of eneloop NiMH cells, which are known for low self-discharge.
- Renata: a Swiss manufacturer that specialises in watch batteries.
- VOLTCRAFT: Conrad Electronic's own brand, known for measuring instruments and chargers.
- Zebra: known for barcode scanners and mobile computers, so its batteries are meant for that kind of equipment.
Also in our range: MediaRange, AgfaPhoto and everActive. The category is divided into button and photo batteries, disposable batteries, rechargeable batteries, battery chargers, device-specific batteries and lead-acid batteries.
Frequently asked questions
What is the difference between alkaline and lithium batteries?
Alkaline batteries are cheaper and suit low-drain devices such as remotes and wall clocks. Lithium cells are lighter, work better in low temperatures and keep their charge longer in storage. That is why they are often chosen for cameras, torches and sensors.
Can I use rechargeable batteries instead of disposable ones?
Usually yes, if the size is the same, such as AA or AAA. NiMH cells have a slightly lower voltage than alkaline ones, so some sensitive devices may show a low-battery warning early. Check the manufacturer's guidance before switching.
How do I find the right button cell?
The code, such as CR2032 or LR44, is printed on the old battery or given in the device manual. Choose exactly the same code, because cells of a similar size may have a different voltage or thickness. If you cannot find the code, measure the diameter and thickness.
How many times can NiMH batteries be recharged?
Good-quality NiMH cells can be recharged hundreds of times, though the exact figure depends on the model and how they are used. Overheating and an unsuitable charger shorten their life. Use a charger made for NiMH cells and do not leave the batteries fully discharged for long periods.
