24V DC BATTERY CHARGER AND POWER SUPPLY NVS-EN85PS

The NVS-EN85PS is an EN54-16 certified 24V DC emergency power supply and battery charger, designed to ensure uninterrupted power during AC mains failures. It automatically switches to backup power in emergencies and intelligently manages battery charging under normal conditions to maximize performance and extend battery lifespan. Ideal for voice alarm and life safety systems, it provides reliable power continuity and efficient battery management in compliance with international safety standards.

 The NVS-EN85PS is an EN54-16 certified 24V DC emergency power supply and battery charger, designed to ensure uninterrupted power during AC mains failures. It automatically switches to backup power in emergencies and intelligently manages battery charging under normal conditions to maximize performance and extend battery lifespan. Ideal for voice alarm and life safety systems, it provides reliable power continuity and efficient battery management in compliance with international safety standards.

FEATURES

  • Auto switch to DC on AC failure; auto/manual charge modes
  • Battery protection: failure, over-voltage, overheating, overcharge
  • Smart charge sequence: pre-charge → constant current → trickle
  • Temp-controlled fan, overheat protection, real-time monitoring
  • Supports DC24V lead-acid batteries (up to 200Ah)
  • RS485, zone ID preset (up to 200 units), auto DC24V disable on AC
SPECIFICATIONS

Model

NVS-EN85PS

AC Maximum Current

2A
AC Fuse 250V/3.15A, low speed type
DC Power Output 24V DC
DC Maximum Current 10A+10A
Maximum Charging Current10A adjustable
Charging ModeConstant current & Constant voltage(Charging current reduction)
Charging TimeWhen the battery power is 50%,the whole charge time is 5-11 hours
Cooling System
Speed controlled cooling fan
Operation Temp  +5℃ to +45℃
Operation Humidity
<95%
Connector
Two battery inputs, two 24V DC outputs, two RS485 and two CAN inputs.Battery capacity selector and ID selector
Power Supply
AC185V-265V 47Hz-~63Hz
Dimension(WxDxH)
370×440×44 mm
Weight 4.65kg



Part NumberDescriptionStandard Quantity 
NVS-EN85PS 24V DC BATTERY CHARGER AND POWER SUPPLY
01

ACCESSORIES INFORMATION

DescriptionStandard Quantity 
User Manual
01