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Phoenix Charger 24/25 (2+1) – is a professional three-channel charger from Victron Energy, designed for the efficient and safe charging of 24V batteries with a maximum current of 25A. It supports simultaneous charging of two main batteries and an additional starter battery, making it an ideal solution for marine, automotive, and industrial power applications.
This device uses an intelligent 4-stage adaptive charging system and features built-in BatterySafe and Storage Mode, which significantly increase battery longevity and operational safety, as well as reduce system maintenance costs due to longer intervals between battery replacements.
Key Benefits of the Phoenix Charger
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Adaptive 4-stage charging algorithm – Bulk, Absorption, Float, Storage.
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Simultaneous charging of 2 main batteries + 1 starter battery.
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Wide input voltage range 90–265 V AC / 90–400 V DC – suitable for off-grid systems, all types of shore power systems, and generators.
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BatterySafe Mode – protects against overheating and excessive gas generation.
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Storage Mode – reduces battery aging during long-term storage.
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Temperature sensor – automatic adjustment of charging voltage.
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Capable of operating in Power Supply Mode.
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Built-in RS-485 port for computer monitoring and configuration.
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Compact aluminum housing with a coating to protect against moisture and dust.
Technical Features
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Two independent main output lines + an additional output for the starter battery.
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Adaptive charging – the device automatically adjusts the time and voltage level depending on the battery's condition.
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Aluminum housing with convenient mounting, resistant to mechanical impact
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BatterySafe Mode – prevents overcharging and excessive gas generation at high currents.
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Storage Mode – maintains a minimum voltage level for batteries that are not in use for extended periods.
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Built-in temperature sensor – compensates for voltage based on temperature changes.
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Remote monitoring via RS-485 interface – allows for configuration and control via a PC.
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Supports connection to a remote control panel – Phoenix Charger Control.
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Voltage Sense function – compensates for voltage drops in cables for accurate battery charging.
Use Cases
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Marine Applications – powering navigation and auxiliary systems on boats and yachts.
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Automotive and RVs – maintaining battery charge while traveling.
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Industrial and telecommunications systems – ensuring uninterrupted power supply.
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Freight and specialized vehicles – charging onboard power systems.
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Off-grid solar systems – charging batteries in hybrid and backup power systems.
Series model comparison
| Device | Voltage | Current | Number of Outputs | RS485 | Size |
| Phoenix Charger 12/30(2+1) 120/240V | 12V | 30A | 2+1 | Yes | 350 x 200 x 108 mm |
| Phoenix Charger 12/50(2+1) 120/240V | 12V | 50A | 2+1 | Yes | 350 x 200 x 108 mm |
| Phoenix Charger 24/16(2+1) 120/240V | 24V | 16A | 2+1 | Yes | 350 x 200 x 108 mm |
| Phoenix Charger 24/25(2+1) 120/240V | 24V | 25A | 2+1 | Yes | 350 x 200 x 108 mm |
What's in the box
- Phoenix Charger 24/25 (2+1) 120/240V charger * 1 pc
- User manual
- Warranty card
- Certificates of conformity in electronic form, if required
- Box






