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Customers' Choice Samlex 40a Battery Charger - 24v - 2-bank - 3-stage W/dip Switch Lugs - Includes Temp Sensor [sec-2440ul] For Home [Ya2uvIor]

$66.99 $214.99 -69%

40A Battery Charger - 24V - 2-Bank - 3-Stage w/Dip Switch & Lugs - Includes Temp SensorThis advanced fully automatic three-stage 40 Amp battery charger is ideal for charging all types of 24 Volt lead-acid batteries ( Flooded / Absorbed Glass Mat

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Customers' Choice Samlex 40a Battery Charger - 24v - 2-bank - 3-stage W/dip Switch Lugs - Includes Temp Sensor [sec-2440ul] For Home [Ya2uvIor]

40A Battery Charger - 24V - 2-Bank - 3-Stage w/Dip Switch & Lugs - Includes Temp Sensor

This advanced fully automatic three-stage 40 Amp battery charger 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, short-circuit and over-temperature protection. The unit allows charging of up-to 2 separate battery banks.

Features:

  • 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

Specifications:

  • Input: 120 VAC or 230 VAC
  • Output: 24 VDC
  • Amps: 40
  • Remote Control: 900-RC
  • Weight: 9 (lbs)
  • Weight: 4.1 (kg)
  • Dimensions: 15 x 9.61 x 3.82 (in)
  • Dimensions: 381 x 244 x 97 (mm)
  • Safety: Listed to UL Standard UL-1564, EMI Compliant to FCC Part 15(B), Class B
  • Warranty: 2 Year Limited

Applications:

  • Automotive
  • Recreational vehicles
  • Marine
  • Communications sites
  • Battery back-up systems

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:

  • Charger Output Voltage: 24v
  • Charger Output - Amps: 40a
  • Charging Banks: 2
  • Portable: No
  • Charger Input - Voltage: 120/240v
  • Box Dimensions: 6"H x 12"W x 20"L WT: 13.8 lbs
  • UPC: 622988083075

Owner's Manual (pdf)
Brochure (pdf)

What Our Customers Say

January 18, 2026

Absolutely no complaints!

This is a really good product.

- Dayna Z..

January 18, 2026

Absolutely no complaints!

The best in its class I've tried.

- Josephine G..

January 18, 2026

Absolutely no complaints!

Very intuitive and works like a dream.

- Ryan Q..

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