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Thanksgiving Deal Samlex Sec-2440ul 40a Battery Charger - 24v - 2-bank - 3-stage With Temp Sensor Tool [U6YC9Sw8]

$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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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

WARNING: 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.


The Samlex SEC-2440UL is a powerful 40 Amp battery charger designed for 24 Volt lead-acid batteries, including Flooded, AGM, and Gel Cell types. This fully automatic three-stage charger is ideal for various applications, from automotive to marine and recreational vehicles. With the ability to charge two separate battery banks simultaneously, you won*t need an isolator, making it an efficient choice for those who need reliable battery maintenance.

Equipped with advanced features like switch mode technology for high efficiency and lightweight design, the SEC-2440UL ensures quiet operation. The user-configurable AC input voltage allows you to adapt it for 120 or 230 VAC. This unit also includes a temperature sensor to prevent under or overcharging, ensuring the longevity of your batteries. Additionally, its overload, short-circuit, and over-temperature protections guarantee safety during operation, giving you peace of mind while charging your batteries.

Features:
* Switch mode technology for high efficiency, lightweight and quiet operation
* Automatic operation for all lead-acid battery types: Flooded, AGM, or Gel Cell
* Simultaneous charging of 2 battery banks without the need for an isolator
* Can function as a power supply or DC UPS when used with a battery
* User-configurable AC input voltage of 120 or 230 VAC, 50/60 Hz
* Configurable DIP switch settings for 2 or 3-stage charging
* Half Power Mode reduces maximum charging current for safer charging of lower capacity batteries
* Voltmeter and ammeter for real-time monitoring
* Fan-cooled operation based on output current
* Comprehensive protection against short circuit, overload, reverse battery connection, and over-temperature
* Includes temperature sensor to prevent under/overcharging in varying temperatures

What Our Customers Say

January 5, 2026

Absolutely no complaints!

Solid construction, great performance.

- Joe S..

January 5, 2026

Absolutely no complaints!

The product is a very good quality solution.

- Lottie V..

January 5, 2026

Absolutely no complaints!

It's a very well-made product, great quality and very user-friendly.

- Kellan W..

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