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Bewertet in Frankreich am 18. Januar 2025
Conforme
carmin
Bewertet in Frankreich am 7. September 2024
Le lot de 5 batteries AMZZN de 3,7V 450mAh avec chargeur 5 en 1 est idéal pour alimenter divers drones télécommandés et projets électroniques.Aspect et Qualité : Les batteries sont bien conçues, offrant une capacité de 450mAh et une décharge à 25C, ce qui assure une performance stable pour vos appareils.Utilisabilité : Le chargeur 5 en 1 est pratique pour recharger plusieurs batteries simultanément, optimisant le temps de préparation. Toutefois, il est crucial d'utiliser un chargeur Li-Po approprié pour garantir la sécurité et la longévité des batteries.Applications Diverses : En plus des drones, ces batteries sont également utiles pour des montages électroniques, offrant une source d'énergie fiable pour divers projets.Impression Générale : En conclusion, ces batteries AMZZN sont une solution polyvalente pour les amateurs de drones et de bricolage électronique. Leur performance et la commodité du chargeur multiple en font un choix pratique et efficace
Calvin
Bewertet in Frankreich am 23. Juli 2024
J'ai essayé ces 5 batteries avec un drone, la batterie se loge facilement grâce à sa taille et le connecteur est standard pour ce type de batteries.Elles fonctionnent correctement mais l'une d'elles a été trop déchargée et ne se charge plus bien maintenant.La frabrication semble rustique mais correcte.La batterie a duré environ 10 min sur mon petit drone ce qui était attendu pour la capacité de 450 mAh.
PKS
Bewertet in Deutschland am 20. Juli 2024
Overall, they do work, but fall a bit short of their promises and you need to be a bit more careful with them. I would use these only in devices I completely trust will handle the battery safely, both when using it and when charging it.The reported dimensions are "39 x 20 x 8 mm", but I measured 37.75 x 20.26 x 8.78 mm (without including the cables). The cable's width is 1.68 mm (each) and are labelled as "22 AWG, 200 C, 600 V", which is quite dubious.The packaging is a simple cardboard box. The batteries and charger were in individual zip-lock bags, but there was no padding, everything was just loose in the box. There was also a manual (only in English and Simplified Chinese).* Capacity - my battery tester reported 439 mAh when charging from empty to full, which is fairly close to the advertised 450 mAh. However, the performance isn't great, likely due to above-average internal resistance, but regrettably I currently can't measure that and the manufacturer hasn't even reported/advertised that anywhere.* Charger - it can indeed charge multiple batteries at the same time and is powered through a flimsy USB to 2.5mm barrel jack cable. However, it didn't reach the advertised 500mA per battery. Whether I was charging one or multiple batteries, it always peaked at about 400mA per battery. Charging from empty to full took 80 minutes (the current drops as the battery fills up).* Safety - the batteries have overcharge and overcurrent protections, but keep in mind there is no undervoltage protection and the battery will happily discharge below the safe limit. The manual says the batteries are considered to be damaged, and should not be charged, if they fall below 3.3V. The built-in protections were happy to let the battery drop to 2.5V and it would have probably kept discharging if I had not stopped the test.More worryingly, the charger isn't smart enough to deny charging the 2.5V battery for being too deeply discharged and potentially damaged, as the manual says... it simply started supplying it ~400mA as usual. It should have at very least started charging the battery with a low voltage and low current till it reaches about 3.2V. What the charger did is another unnecessary risk that could have been easily avoided.
Jens
Bewertet in Deutschland am 15. Juli 2024
Ich habe sie mir für meine Drohne gekauft und bin froh, dass die Akkus in die Halterung passen, obwohl sie mehr Kapazitäten haben! Damit habe ich sogar eine minimal längere Flugzeit und 5 neue Akkus. Damit macht das Drohne fliegen deutlich mehr Spaß!
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