Victron Phoenix Smart IP43 Charger 24/25 (3) | PSC242553095
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Three-output smart marine charging
Victron 24V 25A Smart Marine Battery Charger | 3 Outputs (PSC242553095)
A premium Victron Phoenix Smart IP43 charger for three isolated 24V battery banks, with Bluetooth, VE.Direct, programmable lithium profiles, and universal shore-power input.
The Victron Phoenix Smart IP43 charger 24/25(3) is a 24V 25A Victron charger designed for complex marine and RV systems. Part PSC242553095 provides three isolated outputs so one 24/25(3) battery charger can maintain compatible house, bow-thruster, trolling-motor, or auxiliary banks while sharing a combined 25A charging capacity.
25A
Combined output
3
Isolated outputs
24V
Battery systems
85–250VAC
Universal input
Bluetooth
VictronConnect
VE.Direct
GX integration
One smart charger for a multi-bank 24V system
Three isolated outputs
Separate compatible banks
LiFePO4 ready
Programmable 24V profile
Fanless cooling
Natural convection
Power-supply mode
Configurable DC output
Remote on/off
BMS and switch control
5-year warranty
Victron standard coverage
Multi-Bank Charging: The Three-Output Advantage
Charge three separate compatible 24V battery banks without installing three chargers.
The three-output version includes an integrated FET battery isolator. This keeps the connected banks isolated from one another, prevents unwanted current flow between banks, and distributes available charging current according to each bank’s voltage, state of charge, and capacity.
Each individual output can supply up to the full 25A rating, but the combined current across all three outputs is limited to 25A. The outputs also share one charge cycle and one voltage profile, so all connected batteries must be compatible with the same charging algorithm.
Three Full-Current-Capable Isolated Outputs
Any one output can deliver the full rated current when needed, while total charger output remains capped at 25A. This makes the system flexible without falsely treating the unit as three separate 25A chargers.
Built for Complex Marine and RV Systems
Use one 3-bank marine charger for compatible 24V house, windlass, bow-thruster, trolling-motor, or auxiliary banks. Separate monitoring is recommended when individual bank voltage, current, and state-of-charge data are required.
Intelligent, Programmable Lithium Charging
Configure the 24V charge profile from your phone and match the charger to the connected battery banks.
Built-in Bluetooth works with the VictronConnect app for setup, monitoring, history, alarms, current limits, and firmware updates. The charger supports LiFePO4, AGM, GEL, flooded lead-acid, and custom profiles—but all three connected banks must be compatible with the selected common profile.
Lead-acid profiles use Victron’s adaptive six-stage algorithm. The built-in 24V lithium profile uses a three-stage process with 28.4V absorption, no conventional float stage, and 27.0V storage. Custom voltages and operating limits can be entered through Bluetooth or VE.Direct.
Smart charger features
Multi-bank isolation, global input, wireless setup, wired integration, and fanless operation.
Three isolated outputs
Charge up to three separate compatible 24V battery banks without current flow between the banks.
25A combined charging
Each output can provide up to the full 25A rating, while total current across all outputs remains limited to 25A.
Automatic current distribution
Available current is intrinsically shared according to bank voltage, state of charge, and capacity.
24V lithium mode
Built-in 28.4V lithium absorption profile with no conventional float stage and 27.0V storage.
Fully programmable
Customize charge voltages, current limits, operating mode, alarms, and relay behavior.
Bluetooth Smart
Configure and monitor the charger locally with the VictronConnect app.
VE.Direct integration
Connect to a compatible GX device for centralized monitoring and VRM access.
Universal AC input
Operates from 85–250VAC at 45–65Hz for domestic and international shore-power systems.
Adjustable AC input limit
Configure a 3–10A input limit for smaller generators and restricted shore-power circuits.
Power-supply mode
Use the charger as a configurable fixed-output 24V DC supply.
Natural convection cooling
Fanless operation reduces noise and moving components.
Built-in protections
Includes output short-circuit, overtemperature, and reverse-polarity fuse protection.
Compatible applications
Marine, RV, global shore-power, generator, and off-grid charging systems.
- ✓ 24V marine house bank, bow-thruster bank, and trolling-motor bank charged from one shore-power charger.
- ✓ RV and expedition-vehicle systems with multiple compatible 24V auxiliary battery banks.
- ✓ World-cruising vessels using North American or international shore power with the correct mains cord.
- ✓ Epoch 24V LiFePO4 batteries programmed to the battery model’s published charging settings.
- ✓ Compatible AGM, GEL, flooded lead-acid, and other 24V batteries sharing the same charge profile.
- ✓ Generator charging where AC input current is limited for the available source.
- ✓ GX-connected installations using VE.Direct and a compatible Cerbo GX or Ekrano GX.
- ✓ Fixed-output 24V DC power-supply applications within the charger’s published ratings.
Built for the Water and Global Travel
Wide-range AC input for North American marinas, international shore power, and generators.
The charger operates from 85–250VAC at 45–65Hz, reaches full rated output from 100VAC, and starts from approximately 90VAC. A configurable 3–10A AC input-current limit helps match charging demand to the available pedestal, generator, or branch circuit.
The IEC C14 AC inlet includes a retainer clip, but the country-specific mains cord is purchased separately. North American installations commonly pair this charger with Victron’s ADA010100400 NEMA 5-15P mains cord.
IP43 electronics protection
Marine-oriented protection does not mean waterproof installation.
The electronics enclosure is rated IP43 and the connection area IP22. Mount the charger vertically in a dry, protected, naturally ventilated location with the AC inlet, DC terminals, remote connector, relay, and VE.Direct port protected from direct spray, standing water, high moisture, and condensation.
Recommended accessories
Complete the installation with the correct AC cord, monitoring cable, sensors, and DC protection.
✓
Victron ADA010100400 NEMA 5-15P mains cord for North American 120V outlets.
✓
Victron VE.Direct cable in the appropriate length for Cerbo GX or Ekrano GX integration.
✓
Victron Cerbo GX or Ekrano GX for system monitoring and VRM remote access.
✓
Smart Battery Sense, SmartShunt, or BMV-712 Smart for compatible VE.Smart voltage and temperature sensing.
✓
Correctly sized DC cables and separate battery-side fusing for each connected output.
Technical specifications
Exact input, output, charging, communication, environmental, and mechanical details.
Installation and charging note
Treat each output as a separately fused battery connection while respecting the charger’s shared profile and total-current limit.
Install suitable DC cabling and battery-side overcurrent protection for every connected bank, observe polarity, mount the charger vertically on a non-flammable surface, maintain airflow and clearance, and program one charge profile that is safe for all three batteries. Follow Victron, battery-manufacturer, marine, RV, and local electrical requirements.
Frequently asked questions
Victron Smart IP43 24/25(3) FAQs
Common questions about three-output charging, current sharing, lithium settings, shore power, monitoring, and installation.
What does the “(3)” mean in the charger name?
The (3) identifies three isolated battery outputs. A single charger can connect to three separate, compatible 24V battery banks while preventing current flow between those banks. The outputs share one charging algorithm and one combined 25A current limit.
Does each of the three outputs provide 25A at the same time?
No. Any individual output can supply up to the full rated 25A when the other banks need little or no current, but the combined current across all three outputs can never exceed 25A. Current is distributed between the connected banks according to their voltage, state of charge, and capacity.
Can I connect three different battery chemistries or charging profiles?
Not recommended. The three outputs are isolated, but they are not regulated independently. One charge cycle and one charge-voltage profile is applied to all outputs, so the connected batteries should be compatible with the same charging algorithm—typically the same chemistry and similar voltage requirements.
Does the charger include an AC mains cord?
No. The charger has an IEC C14 inlet and includes a retainer clip, but the country-specific mains cord is ordered separately. North American installations commonly use Victron part ADA010100400, the 2-meter NEMA 5-15P cord, after confirming the outlet and installation requirements.
Can I use this charger with Epoch 24V LiFePO4 batteries?
Yes, provided all connected battery banks are compatible with the same charge profile and the charger is programmed to the exact battery specifications. The built-in 24V lithium mode uses 28.4V absorption, no conventional float stage, and 27.0V storage; custom values can be entered through VictronConnect or VE.Direct.
Can I reduce charging speed for a small generator or limited shore-power circuit?
Yes. Low-current mode reduces the charger to 12.5A, and the maximum AC input-current setting can be configured from 3A to 10A. Choose limits that suit the AC source, battery-bank capacity, cable sizing, and connected loads.
Can I use 120V and 230V shore power?
Yes. This model operates from 85–250VAC at 45–65Hz, reaches full rated output from 100VAC, and can start from approximately 90VAC. Use the correct country-specific mains cord, branch-circuit protection, grounding, and shore-power connection.
What does IP43 mean for marine or RV installation?
The electronics enclosure is rated IP43, while the connection area is IP22. The unit is not waterproof and should be mounted vertically in a dry, protected, ventilated compartment where the AC inlet, battery terminals, data port, and controls are protected from direct spray, standing water, and condensation.
Can I monitor all three batteries separately in VictronConnect?
VictronConnect reports the charger’s operating mode, charge stage, output voltage, total output current, history, warnings, and alarms. Because the three outputs share one charger and are not independently regulated, the charger does not provide three independent per-bank charging dashboards. Separate battery monitors may be used when individual bank data is required.
Can this charger function as a 24V power supply?
Yes. Power-supply mode provides a configurable fixed DC output with or without a battery connected. Confirm that the voltage, total load, wiring, overcurrent protection, and installation environment remain within the charger’s published ratings.
