Float Charger 250W 12V 24V for Motorhome / Campervans

  • Based on our SR250A. Industrial range
  • Low cost fanless 12V model especially for motorhomes
  • Can be used as PSU or float charger
  • Constant current limit
  • Standalone – benchtop or fixed mounting
  • Fuse for reverse polarity protection
  • Designed, made and serviced by Helios Power Solutions
  • 24 Months Warranty

Accessories Supplied

  • Mounting feet together with screws
  • AC power cord 1.5m with IEC320 socket and NZ/Aust plug
  • DC screw terminal plug-in connector
250W PSU-Float Charger Motorhome Caravan Battery Charger 12V 24V New Zealand


Operating input voltage range:180 – 264V, 45-65Hz
Optional 88 – 132V , 45-65Hz (internal link select)
Output Power:250W (derate to 210W for 12V at above 30degC)
Output Voltage:See series table
Efficiency:> 85%
Operating Temp:12V: 0 to + 30°C ambient  (derate to 210W at 40°C)
24V: 0 to + 50°C ambient
Isolation:1KV DC input – output / earth
Cooling:Convection cooled
Dimensions:150W x 61H x 242D (excl. terminals)


ModelInputOutput  VOutput APower W
SR250K12X180 – 264V13.8V*18A250W
SR250K24X180 – 264V27.6V*9A250W

* Default Settings