Amplicomms PowerTel 1780 Manual De Instrucciones página 9

For a full charge, the handset must be left in the base unit for at
least 16 hours (check the base unit's power supply!).
Important: Use only the battery supplied with this product.
If the battery needs to be replaced later on the same battery
type must be used.
Helpline 0844 800 6503 (See page 35 for costs and hours of operation)
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