Keldon Rush15 July 2023 Verified Purchase
I super appreciate the LiFePO4 Parameters. I have SOK marine 206ah. Your settings are so specific above - wondering if anything should be different for my specific battery.
Victron Energy Blue Smart IP67 Charger, 12V and 24V Options, Lithium and Lead-Acid Battery Charger with NEMA 5-15 Plug
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Product Summary
The Blue Smart IP67 is a fully sealed, resin-potted aluminum charger rated for dust, submersion, and 100% humidity. It charges lead-acid (flooded, gel, AGM) and LiFePO4 batteries using a 5-stage adaptive algorithm, with all monitoring and configuration handled through Bluetooth and the VictronConnect app.
Specifications:
- Input: 100-130 VAC, 45-65 Hz (NEMA 5-15 plug)
- Charge Algorithm: 5-stage adaptive (bulk, absorption, recondition, float, storage)
- Battery Compatibility: Lead-acid (flooded, gel, AGM) and LiFePO4, 14-225Ah
- Enclosure: Cast aluminum, IP67, resin-potted electronics
- Operating Temperature: -20°C to +60°C (full rated output up to 40°C)
- AC and DC Cable Length: 1.8 m (6 ft) each, DC cables terminated with M8 ring terminals
- Standby Consumption: 0.5W
- Safety Certifications: UL 1236, CSA C22.2
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About the Blue Smart IP67 Charger
The IP67 rating means this charger is dust-tight and can survive temporary submersion. The cast aluminum enclosure and resin-potted electronics handle oil, chemicals, and washdowns. There are no fans or moving parts, so it runs completely silent and has fewer failure points than fan-cooled chargers. Efficiency runs between 93% and 96% depending on model, which means less heat generated inside the enclosure and less energy wasted during long charge cycles.
Charging Modes and Battery Compatibility
Three preset charge profiles cover the most common battery types. Normal mode (14.4V absorption for 12V) is intended for flooded lead-antimony, gel, and AGM batteries. High mode (14.7V) targets lead-calcium, Optima, and Odyssey batteries. LiFePO4 mode (14.2V) uses a simplified bulk-absorption-float algorithm without the recondition or storage stages that only apply to lead-acid chemistry.
Each profile runs Victron's adaptive algorithm, which adjusts absorption time based on how deeply the battery was discharged. A nearly full battery gets 30 minutes of absorption. A deeply discharged battery gets up to 8 hours. This matters because cutting absorption short causes sulfation in lead-acid batteries, while running it too long accelerates plate corrosion. The charger also includes built-in temperature compensation for lead-acid batteries, adjusting charge voltage automatically as ambient temperature changes.
Deep Discharge and LiFePO4 Recovery
Most reverse-polarity-protected chargers cannot detect a battery at or near zero volts. This charger will attempt to recover a fully discharged battery by applying low current until enough voltage develops to resume normal charging. For LiFePO4 batteries with an internal BMS that has tripped its under-voltage protection and disconnected the cells, the charger will reset the BMS and initiate charging automatically.
Bluetooth and VictronConnect
The charger connects to the VictronConnect app over Bluetooth. The app displays real-time voltage, current, and charge stage. It also provides access to settings: you can select the charge profile, switch between normal and low-current mode, enable or disable reconditioning, and update firmware as Victron releases it.
Power Supply Mode
The charger can operate as a DC power supply without a battery connected, directly powering DC loads from AC input up to it's maximum current rating.
Recommended Accessories
Frequently Asked Questions
Yes. If a LiFePO4 battery's internal BMS has tripped its under-voltage protection and disconnected the cells, the Blue Smart IP67 will reset the BMS and begin charging automatically. It will also attempt to recover lead-acid batteries discharged to zero volts by applying low current until enough voltage builds to resume normal charging.
Yes. After completing the charge cycle, the charger enters a storage mode that reduces voltage to 13.2V (12V models) or 26.4V (24V models) to minimize plate corrosion. Once a week it raises voltage back to absorption level briefly to prevent sulfation and electrolyte stratification. Standby consumption in this state is 0.5W.
Victron rates the Blue Smart IP67 for batteries between 14Ah and 225Ah. For small batteries that could overheat at full charge current, the charger has a low-current mode (10A on the 12/25, 4A on the 24/12) selectable through the VictronConnect app.
It depends on the model. The 12/25 has a 35A internal fuse with no external fuse in the DC cable. The 24/12 has both a 20A internal fuse and a 15A ATO blade fuse in the DC cable.
The charger has reverse polarity protection through an internal fuse. On the 12/25 model, this is a 35A internal fuse with no external fuse in the cable. On the 24/12 model, there is both a 20A internal fuse and a 15A ATO blade fuse in the DC cable. If the external ATO blade fuse blows (24/12 only), it can be replaced in the field. If the internal fuse blows on either model, the charger must be sent in for service, and reverse polarity damage is not covered under Victron's warranty. Check polarity carefully before connecting.
Customer Reviews
(2)5.0
Michael G.15 February 2022
The IP67 is a nice charger! With the Bluetooth App makes it nice to monitor and customize for your LiFePo4 battery or other types of cells. This is for 12v batteries, so if you are in 24v config, you can also use there 24v charger.