Aidcall Touchsafe Pro IP-DECT 400 Single-Cell Installation Manual page 17

13. DECT REPEATER BATTERY BACKED PSU
BATTERY REPLACEMENT
The 12V DC 2A power supply unit provided for the Repeaters includes a 12V 3.4Ah rechargeable battery.
This battery will maintain normal operation for several hours in the event of a mains power failure.
12V DC 2A
Power Supply
The rechargeable battery should be removed and tested by a Service Engineer on an annual basis and
replaced every 3‐5 years.
With the battery disconnected; check the charge voltage across the battery leads is between 13.6V DC and
14.2V DC (13.8V nominal).
If the battery shows any signs of damage, swelling or leakage during an annual inspection it should be
replaced immediately.
Only replace with the Manufacturers Approved battery type:
Yuasa NP3.4‐12: 12V 3.4Ah Sealed Lead Acid Rechargeable Battery
Replacement batteries are available from Aidcall; order Part No. F00040
IMPORTANT: always mark the battery with the date it was replaced for reference on future Service visits.
See section 3 of this manual for Regulations regarding the safe disposal of used batteries.
12V 3.4Ah Lead Acid
Rechargeable Battery
Doc No. FM5640 issue 3 Page 17