2 AQUAPHON system │
11
2.4.4
Power supply
The
A 50
receiver is powered by a special, permanently installed
lithium ion rechargeable battery.
NOTICE! Reduced battery life when not in use
The battery in the receiver can discharge (self-discharge) even
when the receiver is not in use.
●
You should charge the battery at least once every 6 months.
Information about charging the rechargeable battery can be
NOTICE! Risk of damage when changing the lithium ion
battery
There are parts in the receiver that can be damaged mechan-
ically or by electrostatic discharge when changing the battery.
●
Only SEWERIN service personnel or other authorised special-
ists may replace the lithium ion rechargeable battery.
A
WARNING! Risk of explosion due to short-circuit
Faulty lithium ion rechargeable batteries can explode due
to internal short-circuit.
●
Components containing faulty lithium ion batteries must
not be shipped.