Description
Samlex 50A 12V 2-Bank Battery Charger | Boat Supply Store
This 50 Amp, 12V, 2-bank switch-mode battery charger ensures optimal power for your vessel's critical systems. Featuring a user-configurable 3-stage charging algorithm, switchable to 2-stage for DC UPS applications, it supports flooded, AGM, and gel cell lead-acid batteries. The unit includes a temperature sensor to dynamically adjust charging parameters and provides overload, short-circuit, and over-temperature protection, all within a compact form factor that can be conveniently mounted on a bulkhead, essential for maintaining readiness during offshore fishing trips.
Key Features
- 50 Amp Output for rapid battery replenishment.
- Dual-Bank Charging manages two distinct battery systems independently.
- 3-Stage Charging ensures batteries are fully charged and maintained.
- User-Configurable Voltage supports 120/230 VAC input.
- DC Power Supply Mode provides continuous 12V power.
- Integrated Temperature Sensor optimizes charging efficiency.
- Robust Safety Protections against overload and short circuits.
- UL Listed for marine and RV safety standards.
Specifications
| Product Specifications | |
|---|---|
| Amps | 50A |
| Voltage | 12V |
| Battery Banks | 2 |
| Charging Stages | 3-Stage (Switchable to 2-Stage) |
| AC Input Voltage | User Configurable (120/230 VAC) |
| Battery Types | Flooded, AGM, Gel Cell Lead-Acid |
| Protection | Overload, Short-Circuit, Over-Temperature |
| Monitoring | Voltmeter, Ammeter |
| Certifications | UL Listed to UL Standard UL-1564, FCC Part 15(B), Class B |
| Temperature Sensor | Included |
Who This Is For
Marine enthusiasts and RV owners requiring a dependable 12V charging solution for multiple battery banks. Ideal for those needing dual AC input voltage flexibility and the functionality of a DC power supply.
How It Compares
| Feature | Samlex 50A 12V 2-Bank Battery Charger | ProMariner ProNautic 12 |
|---|---|---|
| Amps | 50A | 50A |
| Battery Banks | 2 | 3 |
| Charging Stages | 3-Stage (or 2-Stage via DIP Switch) | 4-Stage |
| AC Input Voltage | User Configurable (120/230 VAC) | 120 VAC |
| DC UPS Mode Capability | Yes (via 2-Stage DIP Switch setting) | No |
| Temperature Sensor Included | Yes | Yes |
Common Concerns Answered
I have more than two battery banks on my boat; will this charger work?
The Samlex SEC-1250UL is designed to charge two battery banks simultaneously. For installations requiring more than two banks, you would need to consider an alternative charging system or a multi-bank charger with higher capacity.
Is the fan on this charger noisy?
The cooling fan operates based on the output current. While it is designed for efficient cooling, it may be audible in extremely quiet environments, though this is typical for chargers of this output rating.
Can I use this charger as a standalone power supply for my electronics?
Yes, the Samlex SEC-1250UL can function as a DC power supply, providing a stable 12V output when set to the 2-stage mode via the DIP switch, ensuring your onboard electronics remain powered even without batteries connected.
Frequently Asked Questions
What types of lead-acid batteries can the Samlex SEC-1250UL charge?
The SEC-1250UL is suitable for charging Flooded, AGM (Absorbent Glass Mat), and Gel Cell lead-acid batteries.
Can the Samlex SEC-1250UL charge two battery banks simultaneously?
Yes, the SEC-1250UL is engineered with the capability to charge two battery banks concurrently without the need for a battery isolator.
What is the AC input voltage range for the Samlex SEC-1250UL?
The AC input voltage is user configurable and supports both 120 VAC and 230 VAC.
Can the Samlex SEC-1250UL be used as a DC power supply?
Yes, by utilizing the DIP switch to set the unit to 2-stage charging mode, the SEC-1250UL can effectively function as a DC power supply.
Does the Samlex SEC-1250UL include a temperature sensor?
Yes, the SEC-1250UL comes with an included temperature sensor to ensure optimal charging performance by automatically adjusting voltage based on battery temperature.
