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Samlex 24v 25 Amp 2 Bank Automatic Smart Charger SEC-2425UL

Was: $437.00
Sale Price: $331.95
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This reliable Battery Charger can also be used as a constant voltage power supply.

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Product InformationStore Part Number: SEC-2425UL


This Samlex America SEC-2425UL is an advanced fully automatic three-stage 25 Amp battery charger. It is ideal for charging all types of 24 Volt lead-acid batteries ( Flooded / Absorbed Glass Mat (AGM) / 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 2 separate battery banks.

Popular Applications
Test bench
Communications sites
Battery back-up systems


  • 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
  • Includes temperature sensor to prevent under/overcharging of battery if temperature varies extensively

Tech Specs

  • Dimensions (LxWxH): 13.03 x 9.6 x 3.82 in
  • Weight: 9.00 lb
  • Shipping Weight: 13.0 lb
  • Max Current, During Bulk Charge: 25 A
  • Absorption Voltage: 28/28.8 V
  • AC Preset Input Volts: 120 VAC (108 to 132 VAC)
  • AC Configurable Input Volts: 230 VAC (207 to 253 VAC)
  • AC Input Volts Freq.: 50/60 Hz
  • Output Voltage Bulk: 27.0V ± 0.05V
  • Output Voltage Abosorption: 28V / 28.8V ± 0.05V
  • Model: SEC-2425UL
  • Manufacturer: Samlex
  • Duration of Abosorption Stage: 4 Hrs or 8 Hrs (Switch selectable)
  • Output Voltage Float: 27.0V ± 0.05V
  • Maximum Battery Capacity: 300 Ah
  • Temperature Compensation: Yes (with temperature sensor TF-500)
  • Cooling: Load Controlled Fan - ON at 6A ± 1A; OFF at 3A ± 0.5A
  • Protections: Overload, Short Circuit, Reverse Polarity, Over Temperature
  • Operating Temperature: 0˚ - 40˚C / 32˚F - 104˚F
  • Enclosure: Anodized Aluminum
  • Output Banks: 2
  • Regulatory Approval: ROHS Compliant
  • Manufacturer Part #: SEC-2425UL
  • UPC: 622988083068
  • Made In: Asia

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