Description
Samlex 40A 24V 2-Bank Battery Charger | Boat Supply Store
Maintain optimal charge across your vessel's critical 24V battery banks with the Samlex SEC-2440UL. This 40A switch-mode charger employs a sophisticated 3-stage charging algorithm, automatically adapting for flooded, AGM, and gel cell chemistries, ensuring superior battery longevity and performance. Its user-configurable 120/230VAC input offers global compatibility, while dual-bank capability eliminates the need for a separate isolator, streamlining your onboard electrical system. Integrated overload, short-circuit, and over-temperature protections, coupled with a included temperature sensor, provide robust safety and operational reliability.
Key Features
- Achieve full charge with 40 Amp, 24V output for robust power delivery.
- Maintain multiple systems with 2-Bank charging capability.
- Optimize battery health via 3-Stage charging algorithm (selectable to 2-stage for DC UPS).
- Experience switch mode technology for high efficiency and lightweight design.
- Ensure automatic proper charging for Flooded, AGM, and Gel Cell batteries.
- Adapt to your power source with user configurable AC input voltage (120V or 230V).
- Benefit from temperature sensor inclusion for optimal charging in varying conditions.
- Operate with confidence thanks to overload, short-circuit, and over-temperature protection.
Specifications
| Product Specifications | |
|---|---|
| Voltage | 24V |
| Amperage | 40A |
| Banks | 2-Bank |
| Charging Stages | 3-Stage (selectable 2-stage) |
| AC Input Voltage | 120/230VAC |
| Protection | Overload, Short-Circuit, Over-Temperature |
| Cooling | Fan cooled based on output current |
| Included | Temperature sensor, voltmeter, ammeter, lugs |
| Listing | UL Listed to UL-1564 |
Who This Is For
Ideal for marine enthusiasts and users of battery back-up systems requiring reliable and efficient charging for 24V lead-acid battery banks. This charger is suited for those needing dual-bank capability without an isolator and with configurable AC input.
How It Compares
| Feature | Samlex 40A 24V 2-Bank Battery Charger | Competitor |
|---|---|---|
| Output Amperage | 40A | 50A, 25A |
| Number of Battery Banks | 2 | 2, 1 |
| Charging Stages | 3-Stage (selectable 2-stage) | 3-Stage (Smart Charging), 7-stage adaptive |
| AC Input Voltage Configuration | User Configurable (120V/230V) | 120V AC, 100-265V AC |
| Temperature Sensor Included | Yes | Yes (optional accessory), Yes |
Common Concerns Answered
Is the 40A output sufficient for my large 24V battery bank?
The 40A output is robust for many 24V systems. For extremely large battery banks, you may need to evaluate total capacity and charging time requirements to determine if a higher amperage charger is necessary. Consult the manual for detailed sizing recommendations.
Is the fan noise from this charger disruptive?
The fan operates based on output current, meaning it is typically quieter during lower output periods. While it can be audible in very quiet environments, its operation is essential for thermal management and ensuring the longevity of the unit.
Can I use this charger as a constant DC power supply?
Yes, the Samlex SEC-2440UL is designed for DC UPS applications and can function as a DC power supply. The selectable 2-stage charging mode is specifically configured for this purpose, ensuring continuous power to your connected equipment.
Frequently Asked Questions
What types of lead-acid batteries can the Samlex SEC-2440UL charge?
The Samlex SEC-2440UL is designed to automatically charge Flooded, AGM, and Gel Cell lead-acid batteries.
Can the Samlex SEC-2440UL charge two battery banks simultaneously?
Yes, the SEC-2440UL is a 2-bank charger, allowing it to charge two independent battery banks simultaneously without the need for a separate battery isolator.
What AC input voltages does the Samlex SEC-2440UL support?
The unit features user-configurable AC input voltage, supporting both 120VAC and 230VAC inputs, making it versatile for different power sources.
What protections are built into the Samlex SEC-2440UL?
The charger includes comprehensive protections against overload, short-circuit, and over-temperature conditions to ensure safe and reliable operation.
Does the Samlex SEC-2440UL include a temperature sensor?
Yes, the Samlex SEC-2440UL comes with an integrated temperature sensor that allows the charger to adjust charging parameters based on battery temperature for optimal health and performance.
