The average lifespan of rechargeable batteries in DECT phone is 1-3 years, depending on actual usage and environmental conditions. Below are some tips:
Before first use, or after you install new rechargeable batteries on the handset:
Repeat the above steps for twice.
Now you can use the handset as you like. You can leave the handset on the base charger after every call.
Repeat steps 1-2 above from time to time (once every 3 months for instance). This is not a must; but it will help to maximize the battery life.
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