25.2V 2A Li-ion Charger for 6S 22.2V Battery
Phonix® FX2522000 is an infrastructure-grade, high-density 25.2V 2A (50.4W) smart fast charger calibrated for 6S 22.2V Li-ion/Li-Po assemblies. Engineering twice the power density into a compact 113X45X30mm fully sealed enclosure, it prevents conductive dust failures while achieving ≥85.0% full-load efficiency via static natural convection. Built with hardware MCU closed-loop tracking, a certified 50,000-hour MTBF, and our 5-year factory warranty, this fanless module coordinates zero-maintenance operational uptime for demanding industrial drone fleets, portable medical hardware, and field electronic docking setups.
Description
Managing Power Density Scales in Constrained Hardware Profiles
Stepping up continuous output to 50.4W within a miniature 113X45X30mm mechanical layout introduces distinct thermodynamic challenges, particularly when trying to prevent early component fatigue. The Phonix® FX2522000 solves this power-to-volume bottleneck through an integrated zero-voltage switching (ZVS) control loop that systematically lowers hard-switching stresses across the primary silicon gates. Abandoning traditional chassis fans eliminates mechanical noise and moving part wear, relying instead on a high-grade thermal compound to ground internal hot spots directly to the solid polymer shell. This non-ventilated structural shield entirely locks out metallic processing dust, dynamic workshop humidity, and corrosive soot from destabilizing the internal multi-layer PCB. Operating with a certified casing temperature rise of under < 40°C, the sealed module controls secondary electrical aging, securing strict parameter alignment during intense constant-current charging shifts.
Technical Parameters
| Category | Technical Parameter | Engineering Specification | Remarks / Test Conditions |
|---|---|---|---|
| 1. Input Specs | Rating Input Voltage | 100-240 Vac | 50/60 Hz Global Main Grid Universal Adaptation |
| Input Voltage Range | 90-264 Vac | Maintains uninterrupted output regulation through severe local line sags | |
| Rating Input Current | 1.0 A / RMS | @ 100V AC Input, Full Load (Optimized Input Operational Window) | |
| Max Input Power | 60.0 W | Calculated closed-loop baseline at maximum load parameters | |
| 2. Output Specs | No Load Output Voltage | DC 25.2 V | Precision reference window; absolute cell overcharge suppression |
| Output Voltage Range | DC 21.20-25.2 V | Dynamic closed-loop saturation regulation tracking architecture | |
| Charging Current | 2 A ±10% | Constant Current (CC) high-rate bulk injection phase | |
| Charging Voltage | DC 25.2 V ±0.2 V | Constant Voltage (CV) saturation safety tracking boundary | |
| Pre-charge Current | 0.2 A ±0.1 A | Automated low-voltage cell recovery cycle active when loop ≤ 18V | |
| Charge-end Current | ≤ 0.4 A ±10% | Strict threshold cutoff to protect long-term terminal capacity integrity | |
| Suitable Battery Type | 6S Li-ion / Li-Po Battery Core Arrays | Calibrated component matching for 22.2V nominal enterprise packs | |
| Max Output Power | 50.4 W | Continuous power envelope rating (25.2V X 2A) | |
| Ripple Voltage | ≤ 168 mV | Full load, Peak-to-Peak (Vp-p high-frequency noise filtering) | |
| Efficiency (Natural Convection) | ≥ 85.0% | Full load @ 220V AC within fully enclosed fanless hardware assembly | |
| Efficiency (Forced Air Cooling) | ≥ 90.0% | Audited performance under integration with external forced airflow design | |
| 3. Protection & Indicators | Short-Circuit / Reversed Protection | Yes / Yes | Instant microsecond solid-state isolation cutoff and latching lockout |
| Power LED State | Red | Primary AC mainline distribution verification input active | |
| Charging LED (No Battery) | All Off | Open-circuit standby verification status loop | |
| Charging LED (Active Charge) | Flashing One by One | Active sequential capacity charging tracking output indication | |
| Charging LED (Finished) | All On / Green On | 100% saturation reached; automated standby safety lock engaged | |
| Charging LED (Error State) | All Flashing | Fault status latch active (Over-temperature, shorted terminals, reverse connections) | |
| 4. Environmental | Operating Temperature | -10 to +40 °C | Continuous operation under full thermal stability saturation points |
| Storage Temperature | -40 to +70 °C | Protects component structural integration across long-range shipping transit | |
| Operating / Storage Humidity | < 90% RH / 0-95% RH | Non-condensing atmospheric evaluation limits | |
| Cooling Mechanics | Natural Convection | Zero mechanical noise; zero moving part wear vectors | |
| Vibration Resistance | 5 MM / 50 HZ / 600 S | Meets non-operating equipment transit shock thresholds | |
| Impact Resistance | 1-meter drop test, 3 times | Chassis structural impact retention verified | |
| 5. Mechanical | Net Weight | 250 g | Ultra-lightweight micro profile for mobile equipment setups |
| Dimensions | 113X45X30 mm | High-density spacing layout for space-limited mechanical placement | |
| Output Connector | Refer to Order Guide | Custom terminal options tailored to specific enterprise hardware systems | |
| 6. Safety & Reliability | Max Temperature Rise | < 40 °C on casing | Tested under maximum continuous load saturation metrics |
| Safety Approvals | CE, TUV, FCC, PSE, CCC | Direct global shipping compliance authentication | |
| MTBF | 50,000 Hours | Calculated component lifecycle stress profiles | |
| ESD Immunity | 8.0 KV | Electrostatic arc safety separation line | |
| Dielectric Leakage Threshold | ≤ 0.25 mA | Audited leakage parameters under peak operating stress | |
| Hi-Pot Insulation | i/p to o/p: 3000 V (1 min) | Galvanic primary to secondary safety barrier isolation |
System Architecture Integration & Interface Adaptability
The integrated sequential double-color LED architecture delivers clear standalone tracking for production lines utilizing multi-bay hand-held electronics or mobile testing nodes. For infrastructure configurations requiring scaled-up charging speeds to support massive heavy-duty battery arrays, system engineers can cross-reference our rugged 25.2V 10A Li-ion battery charger specifications. Phonix® offers complete modular flexibility for specialized OEM/ODM projects, allowing procurement supervisors to assign tailored output terminations including custom-molded barrel jacks, secure GX-series aviation pins, heavy clips, or high-amp quick-connect couplers certified to meet global CE conformity safety standards.
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