I needed them for my oxygen concentrator and now I can feel safe when away from home.If I plan a long trip,I will buy more.I am very happy with this seller..
J
JOSE S MOLINA
HC-30M Battery
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Gregory Dickerson
Hacenor Oxygen products are excellent
This product HCN-7B for my wife works excellent planning to buy another one for myself in a few months. I also have purchased three other Concentrators and they work flawlessly.
