All our batteries are provided with a special overload filter, all batteries have Japanese cells of the mark Panasonic.
Our suppliers have the CE and ISO certification. If your phone orignally has an NiMH battery, it is possible to use a Li-ion implementation. This battery can be used normally.
You have to the guarantee that you receive the correct battery.
Li-ion batteries:
1. 40% longer standby time with respect to NiMH batteries.
2. Lighter and more compact
3. Li-ion batteries do not suffer from memory loss
4. The life span is 30% longer, because the battery cells can be loaded more often. | 
