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Samlex SEC-2425UL > 25 Amp 24 Volt Battery Charger
Samlex SEC-2425UL > 25 Amp 24 Volt Battery Charger

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Our Price: $310.00

Product Code: SAMLEX-SEC-2425UL

Description Datasheet

Samlex 25 Amp 24 Volt Battery Charger

This Ul-listed battery charger from Samlex is a great choice for automotive, RV, marine, battery backup, and communications applications. Formerly the SEC-2415A.


Model SEC-2425UL / SEC-2425A
Series 24V Battery Charger
Manufacturer Samlex America


Operating Temperature 0° C - 40° C
Dimensions 13.03" x 9.60" x 3.82"
Weight 9 lbs
Shipping Method Ground


Input Voltage 120 VAC or 230 VAC
Input Frequency 50 Hz - 60 Hz
Input Current 10.1A @120 VAC /
5.5A @ 230 VAC


Output Voltage • Bulk “I Phase” - 27.0V ± 0.05V
• Absorption “Uo Phase” - 28V / 28.8V ± 0.05V
• Float “U Phase” - 27.0V ± 0.05V
Output Current 25 A


Data Sheet Samlex SEC 2425UL


  • Switch mode technology for high efficiency, lightweight and quiet operation
  • Automatic operation for ALL Lead Acid Batteries Flooded, AGM or Gel Cell
  • Can charge 2 banks of batteries simultaneously, no isolator necessary
  • Can be used as a power supply or DC UPS when used in conjunction with a battery
  • User Configurable AC Input voltage 120 or 230 VAC, 50 / 60 Hz
  • User Selectable ( by DIP Switch) for 2 or 3 stage, rapid and safe charging of standalone and loaded Lead Acid Batteries
  • “Half Power Mode” reduces maximum charging current to half the rated capacity, allows for safe charging of lower capacity batteries
  • Voltmeter and Ammeter for monitoring
  • Fan cooled based on output current
  • Protections: Short circuit, overload, reverse battery connection and over temperature
  • Optional remote LED panel with 33’ cable (model: 900-RC) for remote ON/OFF control and indication of charging status
  • Includes temperature sensor to prevent under/overcharging of battery if temperature varies extensively
  • Safety certified and listed to UL Standard UL-1564
  • EMI Compliant to FCC Part 15(B), Class B

Detailed Description

This advanced fully automatic three-stage 25 Amp battery charger (Samlex SEC-2425UL) is ideal for charging all types of 24 Volt lead-acid batteries ( Flooded / Absorbed Glass Mat / Gel Cell) from a 120 V, 60 Hz or 230 V, 50 Hz AC source.

By means of a DIP switch setting, conversion to a two-stage algorithm is possible to charge batteries connected to a DC load (DC UPS). The unit can also be used as a DC Power Supply. Features include overload and short-circuit protection. The unit allows charging of up-to 3 separate battery banks.

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