Description
Samlex 25A 24V 2-Bank Marine Battery Charger | Boat Supply Store
Maintain optimal battery health across dual banks with the Samlex SEC-2425UL, a high-efficiency 24V, 25A switch-mode battery charger. Its advanced 3-stage charging algorithm automatically adapts to flooded, AGM, and gel cell lead-acid batteries, ensuring extended lifespan and preventing overcharge. With a compact footprint measuring 13.03 x 9.6 x 3.82 inches and weighing 9 lbs, this UL Listed charger delivers reliable performance for offshore fishing vessels or extended cruising sailboats requiring a stable 24V DC power source.
Key Features
- 25 Amp, 24 Volt Output for robust charging capacity.
- Dual-Bank Capability to service two independent battery systems without an isolator.
- Advanced 3-Stage Charging algorithm ensures batteries are fully charged and maintained efficiently.
- User-Selectable Charging Modes (including 2-stage) for tailored battery management.
- Switch-Mode Technology for high efficiency and a lightweight, compact design.
- Integrated Temperature Sensor for adaptive charging based on ambient conditions, preserving battery health.
- Power Supply/DC UPS Functionality for continuous power during AC interruptions via DIP switch settings.
- Comprehensive Protections against short circuit, overload, reverse battery connection, and over-temperature for ultimate safety.
Specifications
| Product Specifications | |
|---|---|
| Output Amperage | 25A |
| Output Voltage | 24V DC |
| Number of Battery Banks | 2 |
| Charging Stages | 3-Stage (User Selectable for 2-Stage) |
| Battery Type Compatibility | Flooded, AGM, Gel Cell Lead-Acid |
| AC Input Voltage | 120/230 VAC (User Configurable) |
| AC Input Frequency | 50/60 Hz |
| Dimensions | 13.03 x 9.6 x 3.82 inches |
| Weight | 9 lbs (4.1 kg) |
| Included Accessories | Temperature Sensor, Lugs |
| Safety Certifications | UL Listed to UL Standard UL-1564, EMI Compliant to FCC Part 15(B), Class B |
| Warranty | 2 Year Limited |
Who This Is For
This versatile 24V charger is engineered for marine vessels, RVs, and automotive applications demanding reliable multi-bank battery maintenance. It is ideal for users requiring a stable DC power supply or uninterruptible power source for critical onboard systems.
How It Compares
| Feature | Samlex 25A 24V 2-Bank Marine Battery Charger | Competitor |
|---|---|---|
| Output Voltage | 24V | 24V |
| Amperage | 25A | 25A |
| Number of Battery Banks | 2 | 2 |
| Charging Stages | 3 (User Selectable for 2) | 7 |
| AC Input Voltage | 120/230 VAC (User Configurable) | 180-265 VAC |
| Temperature Sensor | Included | Integrated |
| Power Supply/UPS Capability | Yes (with DIP switch setting) | Yes |
Common Concerns Answered
Is the fan on the Samlex SEC-2425UL noisy?
The charger's fan is designed to cool based on output current, and while generally efficient, some users note it can be audible in very quiet operational environments. This is typical for high-output chargers.
Are the DIP switch settings easy to understand?
The DIP switch offers advanced configuration options, and while initially appearing cryptic, comprehensive guidance is available in the product manual to ensure correct setup for various battery types and charging needs.
How reliable is this charger for extended use?
The Samlex SEC-2425UL is built with robust switch-mode technology and comprehensive protective features, including over-temperature and overload protection, ensuring sustained and reliable performance, backed by a 2-year limited warranty.
Frequently Asked Questions
What types of lead-acid batteries can the Samlex SEC-2425UL charge?
The Samlex SEC-2425UL is automatically configured for Flooded, AGM, and Gel Cell lead-acid batteries.
Can this charger be used as a power supply?
Yes, the SEC-2425UL can function as a regulated 24V DC power supply when set via its DIP switches, providing continuous power without cycling through charge states.
What is the 'Half Power Mode' feature?
The 'Half Power Mode' is a user-selectable setting that reduces the charger's output to approximately half its rated amperage, providing a safer and more controlled charge for lower capacity batteries, preventing potential damage.
Does this charger have overload and short-circuit protection?
Yes, the Samlex SEC-2425UL features comprehensive built-in protections against short circuits, overloads, reverse battery connections, and over-temperature conditions to safeguard both the charger and your batteries.
Can I use this charger with a 120V AC source?
Absolutely. The AC input voltage is user-configurable via DIP switches and fully supports a standard 120V AC source, as well as 230V AC, accommodating diverse power availability.
