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Battery holders like this are often used in electronic devices, and they eventually crack after long use. This is usually an exact model and easy to replace. For example, I just fixed an Intermatic CA9000 InTouch Wireless Indoor PIR Occupancy Sensor that had a cracked holder and was unusable. I used a double-sided tape to stick it back in place and connected the wires. Simple.
Of course, this is also useful as a 4.5v power source for electronic projects. Good for simple LED lighting, for example.
These are just the typical inexpensive battery boxes. They seem to be made reasonably well for what they are, and I can't complain about the price. Some other suppliers may be made a little heavier, but they will probably also cost more, and these seem to be quite adequate.
Fait parfaitement bien son travail. Le produit est de bonne facture, les fils sont bons et assez longs, les contacts sont de bonne qualité. Meilleur aspect : le prix : deux supports pour quelques centimes, c'est vraiment donné. Bref je recommande ce produit. Petite astuce : étant donné que les ressorts sont assez longs, on peut mettre des piles AAA à la place des AA.
Si ce commentaire vous a été utile, merci de cliquer sur le bouton "Oui" ci-dessous, cela fait toujours plaisir ! :)
Ich bestellte 2 Päckchen, bekam also 4 Batteriehalter. Alle völlig in Ordnung, die Batterien sitzen fest in den Haltern, die Verbindung ist einwandfrei.