Compliant product but slow delivery

The product complies with the order, the date of manufacture was recent.
We use them for gigaset phones (landline phone with cordless handsets) for a month now. The foregoing batteries were also Sanyo and they lasted ten years. Hopefully they also take a long time.
The battery capacity has little importance for this use but they must accept a large number of charging cycles.
In less good sides, delivery took 10 days, which is a bit long. We removed one star because of it.